psc201 physical science f00 quizes for sem

psc201 physical science f00 quizes for sem - / // Name; uiz...

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Unformatted text preview: / // Name; uiz #5 c 201 c ano ra h ‘ ‘ gor each question, please put the letter of the best answer in the blank on the let _J]l_1. The of an object on Earth is the same as it would be if the ob‘ set were on the Moon or in outer space. A. mass B. weight C. both D. neither B 2. Archimedes” principle is concerned with _ forces. . A. gravitational B. buoyant C. electrical D. strong E. psychic . ' . ‘ C 3. Energy that is stored, as in a stretched rubber band. a compressed spring, or a rock that has been lifted high 111 the air, D. chemical E. electrical is called __ energy. A. thermal B. kinetic C. potential As a massive volcano grow, the crust beneath it begins to _. A. sink B. stretch to both sides C. crack and slide outward D. cool dOWn ’5 5. 0f the following regions of the Earth, which tends to have the lightest materials? 6 A. mantle B. crust C. outer core D. inner core 6. Seismic waves bend toward regions _. A. where they go slower B. where they go faster D. that are cooler E. that are more rigid B 7. 0f the two kinds of seismic waves, the _ waves travel fastest, and the _ waves cannot travel through a liquid. A s. C. that are hotter A. Q;S B. P;S C. W;T D. P;P E. R;T Which of the following was an early proponent of continental drift? A. Alfred Wegener B. Charles Darwin C. Benjamin Franklin The magnetism of an atom is due primarily to the _ A. electrons B. neutral particles C. nuclear binding forces f 10. The term _ refers to rocks formed beneath the Earth's surface. ,0 A plutonic B. granitic C. coriferous D. igneous 11. The Earth‘s magnetic field points horizontally at the _. C A tropics B. north and south poles C .arctic and antarctic circles D. equator [2. Ancient north-south movement of a continent can be determined from the __ of the fossil magnetism in the rocks. D. James Cook E. Francis Bacon D. gravitational forces E. mesons E. cretaceous A. temperature B. declination C. dip D. bending A- 13. Most materials become less dense when _. heated B. cooled C. moved D. none of these A. A 14. The vast majority of Earthquakes occur _. A. along plate boundaries B. beneath the surface plates , C. in interior regions of surface plates D. in the core ' £5 15. The age of oceanic crust __ with distance away from the ridge crest. A. increases B. decreases C. neither (2 16. The area covered by the oceanic ridge is comparable to that of _. A. Argentina and Chile combined E. Africa C. all the continents combined D. all the oceans combined ( : 7. On the oceanic ridge, the most rugged topography is found _. near the outer regions B. where it nears continents C. near the ridge crest A. '2 18. Subduction zones are marked by __ on the ocean floor. A. the oceanic ridge B. mountains C. starfish D. in polar regions D. trenches E. calcite oozes PSc 201 uiz #4 ceano ra h Name. For each question, please put the letter of the best answer in the blank on the left. 3424. The exoskeletons of diatoms are made of . A. cellulose B. silica C. spongin D. calcium carbonate E. none of these _ _ . Compared to warm surface waters, in cooler surface waters we tend to find __ species of marine organisms with __ numbers of individuals. A. more; larger B. more; fewer C. fewer; larger D. fewer; fewer The main obstacle preventing many organisms from inhabiting estuaries is _ A. lack of food B. lack of dissolved gases C. variations in temperature and salinity There are ____ different kinds of naturally occurring elements in Nature. A. 8 B. 26 C. 92 D. about 400 E. more than 1000 Which of the following is ammonia? A. NH,a B. CO; C. CH, D. CHJCOOH E. H20 Which of the following elements accept extra electrons? A. chlorine and oxygen B. aluminum and copper D. silicon and nitrogen E. sodium and potassium If you were 10 times as far from the Earth's center as you are right now. the force of the Earth's gravity on you would be __ as large. A. 100 times B. 10 times C. (equally) D. 1/10 E. 1/100 A ship that weighs 2000 tons displaces __ 2000 tons of water. A. more than B. less than C. exactly D. any of these, depending on many things An imaginary force that seems to cause a moving object to curve, when in fact it is the observer that is turning, is called a(n) _ force. A. gravitational B. Newtonian C. curvilinear D. inertial E. contortionary C. calcium and magnesium . When riding a merry-go-round, the force pushing you outward away from the center _. A. pushes harder on higher portions of your body B. operates only on the top half of your body C. pushes mostly on the central portion of your body (center of mass) D. pushes harder when you spin slower E. is nonexistent (There is no outward force on you.) . The product of force times distance is called _. A. pressure B. inertia C. gravity D. work E. energy . All members of the Solar System have roughly the same overall composition, except for the two elements _ and _ which may vary greatly from one object to another. A. silicon, oxygen B. hydrogen, helium C. iron. aluminum D. uranium, krypton E. oxygen. nitrogen . There is _ water stored in rivers and lakes than (as) in ground water. A. more B. less C. about the same amount . The Earth is about years old. A. 600.000 B. 2.1 million C. 420 million D. 4.6 billion E. 550 billion . Rough continental mountain ranges, like the Rockies and Himalayas must be relatively __ features of the Earth. because _. A. young; gravitational flow and erosion would had leveled them by now if they had formed early in the Earth's history B. young; not much vegetation has grown on them yet C. old; all continental features are old D. old; such jagged features were formed only in early times E. stable; such solid rock cannot change much over the period of the Earth's history . Which of the following regions of the Earth's interior is a liquid? A. outer core B. mantle C. lithosphere D. inner core E. Moho . The bottom of the Earth's crust extends deepest into the mantle beneath _. A. continental mountain ranges C. continental margins B. continental plains D. ocean basins . Compared to the material immediately beneath them, the surface plates of the Earth are _. A. warmer and more flexible B. warmer and more rigid C. cooler and more flexible D. cooler and more rigid E. slightly cooler, and have about the same rigidity P c201 For each question. please put the letter of the best answer in the - l The tendency of a moving object to maintain its straight line motion is called its . \v . C/z. . The rapid random wiggling and jiggling motion of atoms is ____ . As gasoline is hurried, . The Earth is one of the planets in _. . The ocean and atmosphere are each __ kilometers thick. . Of the various water reservoirs in the hydrosphere. the a . t It.‘ uiz #4 Name: __\..’—‘ blank on the left. c am 1'3 h A. stubbornness B. gravity C. Coriolis indicator D. linear coefficient E. inertia Winds encircling a low pressure center are called __ winds. A. anticyclonic B. strong C. cyclonic D. gradient E. low . Energy is anything that has the ability to _. C. exert a force D. provide electricity A. do work B. provide heat energy. B. kinetic D. chemical E. electrical A. thermal C. potential energy is converted into energy. A. thermal; kinetic B. thermal; electrical C. chemical; thermal D. kinetic; potential E. electrical; chemical A. the Andromeda strain D. a group known as the Jovian Giants B. the Solar System C. the Hercules Cluster A. a few B. about a hundred C. nearly a thousand D. several tens of thousands E. nearly a hundred thousand sec - largest (in terms of amount of water stored) is the . B. rivers and lakes C. oceans A. atmosphere olar caps and other ice E. ground water . From the shape of their coastal margins, it looks like Europe and Africa have been somehow torn from _. C. each other / A. Asia B. Australia and Antarctica the Americas and Greenland E. the East China Sea QC; ‘0. (Rocks that seem rigid to us, tend to be __, rigid on the longer geological time scales. a"... even more B. equally C. less (5 El 1 i. The density of materials increases with depth in the Earth due to _ and __,. A. increased temperature; increased pressure B. gravitational differentiation; increased pressure C. more radioactivity; stronger gravity D. lack of water; lack of sunshine d § 12. Which of the following regions of the Earth's interior is a liquid? A. outer core B. mantle C. lithosphere D. inner \ %%\\ (Sore E. Moho All As a massive volcano grows, the crust’beneath it begins to _____. Q‘sink gstretch to both sides C. crack and slide outward D. cool down 14. Compared to the continental crust. the oceanic crust tends to be . A. older, thicker. and denser I D. younger, thinner. and lighter E. older. thinner, and denser B. younger, thinner, and denser C. younger, thicker, and lighter Q3&715. The upper 80 to 100 km of the mantle are relatively _. A. flexible B. rigid and cool C. motionless / D. dense l ‘16.Volcanism and mountain building may be caused by plumes of molten materials rising from plates of the lithosphere Q that are sinking edgewise into the asthenosphere below. A. true B. false l'l. Earth-orbiting satellites give information on the Earth's internal structure via _. 18. Seismic waves bend toward regions . A. infrared photography B. laser spectroscopy C. changes in their orbit and speeds D. astronomical observations made above the Earth's atmosphere C. that are hotter D. that are cooler E. that are more rigid A. where they go slower B. where they go faster _ -.—-a- ’/ WWI—#1 V For each question, please pu i. A D i O .__.——- _I>_ Animals that feed directly on plants are called __. No Name: ‘ _ ' -_| tthe letter of the best answer in the blank on the left. 1. A. herbivores B. omnivores C. carnivores D. ambivores E. none of these 2. Which of the following is not produced in photosynthesis? A. nutrients B. oxygen C. carbohydrates 3'. Each carbon atom can share __ of its electrons with neighboring atoms. A. l B. 2 C. 3 D. 4 E. 5 or more _ 4. Which of the following forms of nitrogen found in sea water is generally Least usable by plants in _ photosynthesis? A. dissolved nitrogen gas B. nitrate and nitrite C. ammonia D. all the same 5. Which of the following things is generally Leas], plentiful in the ocean surface envrronment? A. water B. carbon dioxide C. nutrients D. sunlight E. salt I 6. Biological activity on the sea floor is normally __ beneath regions where the surface water has high productivity. A. greater B. smaller C. no different from the other regions 7. Satellite measurements of productivity have the disadvantage that they cannot _. A. measure how active the plants are B. measure below the top two meters or so C. both D. neither 8. In general. nutrients get recycled more quickly _. A. on land B. in the ocean C. both the same 9. Where sunlight and nutrients are amply abundant, maximum plant productivity occurs __ the ocean surface. A. at B. a few meters below C. 70 meters below D. about 150 meters below 10. in polar regions, ice freezes in the winter and thaws in the summer. Consequently, the winter surface waters there are __ compared to summer surface waters. A. warmer and saltier I B. warmer and less salty C. colder and saltier D. colder and less salty E. unchanged 1 1. Which of the following is 1191 one of the reasons for the decline in plant productivity in temperate surface waters in the late spring? A. warming of surfaCe waters B. proliferation of grazers C. decline in availability of nutrients D. lack of sunshine E. diminished mixing with deeper waters 12. Within the surface layer, the'spring bloom _. A. begins near the surface. and then proceeds to greater depth B. begins near the center, and then spreads both upwards and downwards C. begins at depth. and then spreads upward toward the surface 13. D. none of these The depth below which there is not enough sunlight for plants to sustain themselves is called the _. A. sustenance level B. subsistence level C. neophoto zone D. critical point E. compensation point Plants are the _ trophic level. ‘ first 8. second C. fifth D. last E. zeroth Dissolved and suspended organic materials tend to __, solid surfaces. run off of B. stay clear of C. collect 0n D. chemically corrode E. none of these The nitrate radical is a combination of nitrogen with _. phosphorus B. silicate C. carbon D. chlorine Each enzyme within a cell _. interacts only with other enzymes or RNA molecules within the cell facilitates a particular chemical interaction within the cell moves out through the cell membrane to carry out its functions, then back in when that function is completed joins together with other enzymes to make large protein molecules remains within the cell nucleus at all times An efficient cell would _. require little incoming raw materials get rid of its wastes easily D. get its raw materials easily E. oxygen B. produce little outgoing wastes E. all of these ____________________________f ‘\ For each question, please r, _\.,_‘_t. The size of a single-celled marine organism is typically A. atom ' 1 Name put the letter of the best answer in the blank on the left. 1" the width of a __. B. hair C. pencil lead D. pencil E. finger \Q 2. Which of the following processes is fundamentally different from the other four? is. L. £5. L6. A7. 9. . In general. nutrients get recycled more quickly _. B. metabolism C. respiration photosynthesis E. oxidation 6(— d .__tj \ ' Within a cell. materials that serve as catalysts or “facilitators” for certain chemical reactions are called . A. nutrients B. fumerols C. lipids D. oxidizers E. enzymes A. burning ‘ The three most abundant elements found in organic materials are . A. silicon, calcium. and oxygen B. carbon. silicon. and oxygen C. nitrogen. phosphorus. and carbon D. nitrogen. carbon, and calcium E. carbon, hydrogen, and oxygen Which of the following forms of nitrogen found in sea water is generally East usable)by plants in photosynthesis? A. dissolved nitrogen gas B. nitrate and nitrite C. ammonia D. all the same Which of the following things is generally has; plentiful in the ocean surface environment? A. water B. carbon dioxide C. nutrients D. sunlight E. salt Biological activity on the sea floor is normally __ beneath regions where the surface water has high productivity. A. greater B. smaller C. no different from the other regions We can estimate the productivities of the various ocean regions by using satellites which measure the concentrations of __ A. nutrients B. bacteria C. chlorophyll D. dissolved gases E. seaweeds Which of the following oceanic regions would probably have the smallest concentration of nutrients in the surface waters? A. upwelling regions B. central subtropical oceans C. continental shelves A. on land B. in the ocean C. both the same . Total primary productivity on land is greater than that in the oceans because of _. A. availability of sunlight C. water and carbon dioxide B. temperature of the environment D. recycling of nutrients E. all of these . [n polar regions, ice freezes in the winter and thaws in the summer. Consequently, there is greater mixing with deep waters in polar regions during the ‘ . A. winter B. summer C. both the same . Beautiful deep blue waters (as opposed to green waters, for example) are A; biologically active B. always quite cold C. less salty D. found only in high latitudes E. none of these . The temperature'of waters vary the most from one region of the world to another. A. surface B. intermediate C. deep D331] about the same —__ 21::"fl . Most of the ocean’s plantlife and suspended organic matter are consumed by _ animals. A. single-celled B. tiny multicellular C. large multicellular . Most food chains in the ocean begin with tiny organisms that feed on . A. microscopic plants B. seaweeds C. dead organic detritus . The decay of organic material within the bottom sediments tends to _. B. make them colder D. deplete the oxygen concentration A. deplete the dissolved carbon dioxide depths in the sediments C. cause increased biological activity at greater E. increase the concentration of sulfate . Specialized multicellular membranes in some larger organisms, which separate body fluids from the outer environment, include which of the following? A. gills B. guts C. lungs D. skin E. all these 0’“ / I/ PSc 201 Oceanography Quiz #2 Name: 5 v v -- “breach question, please put the letter of the best answer in the blank on the left. V 7"” The basis for the most commonly used classification schemes involves . A. size B. mobility C. color D. habitat E. development and ancestry i; 2. Coccolithophoresm, and dinoflagellates are _ and belong to the kingdom _. A. procaryotes; Monera B. procaryotes; Protista C. eucaryotes; Monera D. eucaryotes; Protista E. none of these (b m h 3. The exoskeletons of diatoms are made of ___. fl A. cellulose B. silica C. spongin D. calcium carbonate E. none of these --__ w 4. Which of the following do not have mineral exoskeletons? A. coccolithophores B. diatoms C. dinoflagellates A i 5. The skeletons of some species of found in the bottom sediments, provide sensitive indicators of the climate in ancient times. A. protozoans B. coelenterates C. red algae D. mollusks E. none of these l :; 6. The leaf-like photosynthetic parts of kelp are called _. A. leaves B. rhizomes C. hold-fasts D. stipes E. fronds % g . 7. All animal We have representatives _. A. on land B. in the ocean C. both C: E , 8. Octopus, squid. anXhC‘tbered nautilus are _. A. arthropods B' 'valves C. cephalopods D. chitons E. ggstropggls D 9. Sea urchins belong to the same phylum as _. A. crabs B. w'fit‘les C. tube worms D. jellyfish B __ E 10. Sharks belong to the phy m. A. Echinodermata B. Chxfita C. Coelenterata D. Chaetognatha E. none of theSe A C/ 12. Manatees and dugongs belong to the order of mammals called _. A. siieknia B. cetacea C. carnivora 13. Compared to land, the marine environment is _ stable. A. more B. less C. about equally A14. Tiny whip—like protrusions that give some microscopic organisms small amounts of mobility are called _. A. flagella B. microwhips C. spicules D. reticulations E. tails B 15. For thing seawater, the smaller the sizeJthe __, they sink. A. faster B. s o P C. either, depending on the water's temperature Pt \ i 16. Many bony fish can neutralize their buoyancy (i.e., keep from sinking) by _. A. filling their air bladders Q) B. swalloWigstones C. filling their lungs D. spreading their scales E. none of these 17. Throughout most of the ocean, the distribution of animals is most severely restricted by the availability of _. A. nutrients B. protection C. sunlight D. food E. oxygen 1 18. In the central ocean areas of tropical latitudes, food production is most severely restricted by lack of . A. nutrients B. warmth C. sunshine D. rainfall E. trace elements PSc 201 Oceanography Quiz #3 (‘l n . 4- For each question, please put the letter of the best answer in the blank on the left. . The oxygen minimum layer is a reflection of animals' desires to stay _. Fine sediments tend to be richer in organic matter than coarse sediments. because fine sediments _. A. present more surface area altogether for the organic matter to collect on B. stay in suspension longer, allowing more time to acquire an organic coating C. settle out in quieter waters, where suspended organic matter also settles out D. all of these E. none of these 0n land, microbes constitute a _ fraction of the total biomass, compared to microbes in the ocean. A. larger B. smaller C. roughly equal Most marine amles live near the surface, because that is where _. A. the sunlight is B. their food is C. the oxygen is D. the warm water is E. they have the greatest protection from predators _ helps microscopic plants reduce the rate at which they sink through water. _ A. Small size B. Rough and jagged exoskeletons C. Relatively large surface area in comparison to their volume D. All of these E. None of these Kelp and sargassum use _ to keep their photosynthetic parts near the surface. A. rigid woody stems B. high rates of reproduction C. gas-filled floats An increase in temperature generally __ the rate of chemical reactions. ' A. increases B. decreases C. has little or no effect on D. none of these Compared to animals found elsewhere in the oceans. those that live on or near the deep ocean bottom are usually _ tolerant of changes in their environment. A. more B. less C. about equally D. none of these Tiny copepods and the microscopic larvae of starfish and snails are all m. A. nekton B. phytoplankton C. zooplankton D. none of these A squid would be considered _ and a(n) _. A. nekton; vertebrate B. nekton; invertebrate D. fins E. rhizomes C. plankton; vertebrate D. plankton; invertebrate A. where the plants are B. close to the food supply but out of sunlight C. stay away from the dangers of the first kilometer or so of surface water D. school B. none of these . Predators will consume more altogether if their prey _____. A. forms groups or schools B. is below the thennocline C. is rather evenly distributed (as opposed to coming in groups or schools). D. is active E. avoids sunlight . The majority of marine plantlife is _. A. intertidal C. benthic B. pelagic D. attached . The deep ocean floor is primarily covered by H. A. fine muds B. coarse sands C. coarse gravels D. exposed rocky surfaces . The largest concentration of benthic life is found in the biozones. B. hadal and littoral E. all the same A. bathyal and abyssal C. littoral and sublittoral D. abyssal and hadal . Burrowers and deposit feeders are confined to the upper 10 cm or so of bottom sediments because beneath that the amount of is reduced. A. food and oxygen B. salts C. sunlight D. maneuverability E. soft substrate . The main obstacle preventing many organisms from inhabiting estuaries is A. lack of food B. lack of dissolved gases C. variations in temperature and salinity . The number of protons in an atomic nucleus is called the . A. proton number B. atomic number C. mass D. elementary weight E. elementary charge . Of the following, which is the most common element in the Earth's crust? A. hydrogen B. oxygen C. aluminum D. calcium E. carbon 3/ ,3 PSc 201 chanography Quiz #3 Name: _ _ For each question. please put the letter of the best answer in the blank on the left. an“ 3’ 71,1. The aphotic zone is characterized by lack of _. _ v-- A. life B. sunlight C. dissolved gases D. water movement E. all these A’ 0 2. The larvae and tiny juveniles of fish or bottom dwellers are _. A. meroplankton B. holopiankton C. fishyplankton 5 3. It takes roughly ____ for the oceans’ zogplagkton community to consume its own weight in food. A. two hours B. one day C. one week D. 3 weeks E. 3 months q ‘-’ i .. _ .-_ (’5 4. There is more diversity among the various species of . A. plankton B. nekton I _ C. both about the same —_ ‘--.,,_7, _.I_,-- J\ A: .,i- r» i I 5. One ecologically harmful side effect of the daily migrations of zooplankton is the ___. I _ . A. production of toxins , B. interruption of normal surface current patterns C. confusron of higher trophic levels D. removal of nutrients from surface waters E. mixing of waters of different temperatures and salinities 6. The deep ocean floor is primarily covered by _. A. fine muds B. coarse sands C. coarse gravels D. exposed rocky surfaces ‘ 7. The distribution of benthi'c-animals _____ roughly reflect the productivity in the surface waters above. A. does B. does not 2 i 8. Compared to their coastal relatives, most deep ocean benthos metabolize more _, and live ____ lives. A. slowly: longer B. slowly; shorter C. quickly; longer D. quickly; shorter ________—. 9. CoraI reefs are built by plants and animals that secrete . A. silica B. chitin C. calcium carbonate D. oils and waxes E. metal sulfides filo. Which of the following particles carries a positive charge? A.‘proton B. neutron .r C. electron D. atom E. silt we: v30; 3 some. C ’r— 1 1. The elements _ are particularly lacking on Earth compared to their relative abundance elsewhere in the universe. A. iron, nickel, and cobalt B. carbon and oxygen C. hydrogen and helium D. platinum and uranium E. lithium and boron g g l 12. The third, fourth, and fifth most abundant elements in the Universe are _. M2 A. lithium, beryllium. boron B. hydrogen. carbon, oxygen ‘6‘ _, C. oxygen, carbon, nitrogen D. silicon. iron, oxygen E. helium, neon, argon ( I \SQ.\¢ _\ x. r ‘ A. sodium B. chlorine C. about half and half “\‘XR 13. Carbon has a valence of ______. A. 1 B. 2 C. 3 4 E. 5 B a 14. In sodium chloride (common table salt). the shared electron spends most of its time near the _ atom. E 15. If you were 10 times as far from the Earth's center as you are right now, the force of the Earth's gravity on you would be _ as large. A. 100 times B. 10 times C. (equally) D. 1/10 E. 11100 (a! . if” 16. When an object is immersed in a fluid, it experiences an upward _ force. E A. gravitational B. buoyant C. electrical D. “lift” E. pneumonian \ 17. A change in pressure from one place to another is called a(n) ___. A. instability B. Brummer effect C. Coriolis change D. typhoon E. pressure gradient A Q 18. The tendency of things to slide towards the outside of a spinning body (e.g., a meny-go-round) is due to __ A. their inertia. or tendency to go in a straight line Bra strong outward force, that increases with increased speed C. an outward force that is independent of speed D. none of these ‘ PSc 201 Oceanography Quiz #5 Name: For each question, please put the letter of the best answer in the blank on the left. " S ‘n- (l) l. Rocks derived from magmas that have cooled and solidified are called ___. v A. amorphous B. sedimentary C. crystalline D. lithogenous E. igneous C 2. A "path of polar wandering” is __. A A. the path along which the magnetic north pole has moved over a period of years B. a migratory pattern for polar bears - ' C. the path over which the magnetic north pole would have had to travel to explain the magnetism of crustal rocks of various ages, if you assume that the continent hasn't moved . D. a looped path over which the Earth's spin axis moves as the spinning Earth slowly wobbles E. a path followed by polar explorers . I I I I _ I n g i 3. In New York. the fossil magnetism in rocks formed about 230 million years ago is hOI'lZE/Etai (Le. the dip is 0 ). We conclude that 230 million years ago, the New York region was near ___. .7?” p “A, the North Pole B. the South Pole C. either of the above IL the equator E. the point where it is now (about 42"N) i; l 4. Compared to the material on which it rides, the lithosphere is _. ‘ A. cool, rigid, and brittle B. cool, light, and flexible C. warm. rigid. and sturdy D. hot and flexible E. about the same temperature and slightly more flexible 5. The materials that form the oceanic crust are commonly referred to as “ . n A. anthracites ngasalt‘s C. sediments D. divergent forms E. hadoliths R 6. Which of the following is not necessary for the formation of strips of alternating magnetic polarity on the sea floor? A. spreading of the oceanic crust from the ridge axis B. occasional changes in the polarity of the Earth's magnetic field C. formation of new crust at the ridge axis D. increasing sediment thickness with distance from the ridge axis c 6 ;§ 7. On the oceanic ridge. the most rugged topography is found _. A. near the outer regions where it nears continents C. near the ridge crest D. in polar regions é Q8. Ocean trenches are located at _ plate boundaries. A. transform fault B. transitional C. unstable D. divergent E. convergent A9. Ocean trenches reach depths that are roughly _ that of ocean basins. t l- A. twice B. 4 to 5 times C. 8 to 10 times D. more than 20 fl;%%10. Younger oceanic crust generally has ____ sediment cover. -\ A]. greater B. lesser C. neither of the above. (It depends more on other things.) B \J 11.—The basic structure on which an atoll forms is _. A. an active volcano B. a subsiding extinct volcano C. a continental margin N: D. an oceanic ridge E. a compressional ridge in the ocean bottom '2 12. Which of the following features is most likely to be exposed during an ice age? p A. oceanic ridge B. continental rise C. continental slope D. ocean basin E. continental shelf C- WL l 3. Graded bedding results from _. A. the slow gradual accumulation of sediments raining down from above B. the slow gradual accumulation of sediments arriving from steady continually flowing currents on the seafloor C. occasional turbulent flows of sediments D. erosion by swift currents. like the Gulf Stream E. waves 14. Compared to small hot bodies, large hot bodies have _ difficulty in cooling off. A. greater B. lesser C. about equal x 15. Of the following classes of sediments, which are the finest? A. clay B. cobble C. sand D. silt E. pebble A Q 16. Beaches _ would have the coarsest beach sediments? A_. battered by storm waves B. exposed to ordinary wave activity C. in very protected bays and lagoons 17. A "mineral" is identified by _. A. where it is found B. its crystal structure C. its chemical composition ‘ D. its place of formation in or on the Earth E. B and C but not A or D £18. The atoms of metals generally _. A. give up electrons fairly easily B. give up electrons only with great difficulty C. neither give up nor take electrons from neighboring atoms D. accept extra electrons only reluctantly from neighboring atoms E. accept extra electrons quite readily from neighboring atoms if / r .r P c 201 ceano ra h uiz # Name: , . - , =7.” For each question, please put the letter of the best answer in the blank on the left. 1. Fine sediments tend to be richer in organic matter than coarse sediments, because fine sediments . A. present more surface area altogether for the organic matter to collect on ' B. stay in suspension longer, allowing more time to acquire an organic coating settle out in quieter waters, where suspended organic matter also settles out g @ all of these E. none of these 2. n land, microbe constitute a __ fraction of the total biomass, compared to microbes in the ocean. % A. larger aller C. roughly equal Most marine . r . live near the surface, because that is where _. A. the sunlight is . eir food is C. the oxygen is D the warm water is E. they have the greatest protection from predators helps microscopic plants reduce the rate at which they sink through water. C; Small size B. Rough and jagged exoskeletons C. Relatively large surface area in comparison to their D. All of these E. None of these volume ( 2 5. Kelp and sargassum use _ to keep their photosynthetic pagar the surface. A 3 D 4. . rigid woody stems B. high rates of reproduction as-frlled floats D. fins E. rhizomes g: 6. :4 increase in temperature generally _ the rate of chemic reactions. 0 increases B. decreases C. has little or no effect on D. none of these b 7. Compared to animals found elsewhere in the oceans, those that live on or near the deep ocean bottom are usually _ tolerant of Chan in their environment. A. more t B. iless C. about equally D. none of these l I; 8 Tiny copepods and the microscopic lad starfish and snails are all _. A. nekton B. phytoplankton zooplankton D. none of these E a 9. A squid would be conside&__ and a(n) _. E A. nekton; vertebrate nekton; invertebrate C. plankton; vertebrate D. plankton; invertebrate 10. The oxygen minimum layer is - eflection of animals‘ desires to stay _. A. where the plants are a lose to the food supply but out of sunlight forms groups or schools B. is below the thermocline C/ C. stay away from the dangers of the first kilometer or so of surface water D. school B. none of these 1 l. Predators will consume more altogether if their prey _. B is rather evenly distributed (as opposed to coming in groups or schools). D. is active E. avoids sunlight é% 12. e majority of m ine plantlife i . AK A. intertidal @pelagic @nthic D. attached 13. e deep ocean oor is primarily covered by _. B fine muds B. coarse sands C. coarse gravels D. exposed rocky surfaces 14. The largest concentration of b thic life is found in the m biozones. A. bathyal and abyssal a adal and littoral C. littoral and sublittoral D D. abyssal and hadal . all the same A— 15. Burrowers and deposit feeders are confined to the upper 10 cm or so of bottom sediments because beneath that the amount of _ is reduced. A. food and oxygen B. salts C. sunlight @maneuverability E. soft substrate I g 16. The main obstacle preventing many organisms inhabiting estuaries is _ A. lack of food B. lack of dissolved gases C. ariations in temperature and salinity l ’2 17. The number of protons an atomic nucleus is called the _. A. proton number tomic number C. mass D. elementary weight E. elementary charge 3 Z S 18. If the following, whi is the most common element in the Earth's crust? hydrogen B. oxygen C. aluminum D. calcium E. carbon \M PSc 201 chanography Quiz #4 Name , _ l/J/ For each question. please put the letter of the best answer in the blank on the left. g § 2 l. The exoskeletons of diatoms are made of _. A. cellulose B. silica C. spongin @alcium carbonate E. none of these C‘ g 2 2. Compared to warm surface waters, in cooler surface waters we tend to find _ species arine organisms with _ numbers of individuals. A. more; larger B. more; fewer C. fewer; larger fewer; fewer i ‘d 3. The main obstacle preventing many organisms fr inhabiting estuaries is __ A. lack of food B. lack of dissolved gases aeriations in temperature and salinity ! 4. There are __ different kl ds of naturally occurring elements in Nature. A w A. s B. 26 @52 D. about 400 E. more than 1000 5. 'ch of the following IS ammonia? _ 1; (X5 N113" Mel C. CH. D. ca3coon /E. 1-120 A “r 6. Which of the following elements accept extra electrons? A. chlorine and oxygen aluminum and copper C. calcium and magnesium D. silicon and nitrogen odium and potassium i; 7. If you were 10 times as far from the Earth's center as you are right now. the force of Earth's gravity on you would be __ as large. A. 100 times B. 10 times C. (equally) D. 1/10 1/100 Q 8. A ship that weighs 2000 tons ‘ laces __ 2000 tons of water. A. more than B. less tha exactly D. any of these, depending on many things L 9. An imaginary force that seems to cause a moving object to curve, when in fact i ‘ e observer that is turning, is 6 called a(n) _ force. A. gravitational B. Newtonian C. curvilinear nertial E. contortionary 10. When riding a merry-go—round, the force pushing you outward away from the center _. A. pushes harder on higher portions of your body B. operates only on the top half of your body C. pushes mostly on the central portion of y body (center of mass) g D. pushes harder when you spin slower s nonexistent (There is no outward force on you.) 11. The product of force times distance is called _. "P? A. pressure B. inertia C. gravity D. work nergy 12. All members of the Solar System have roughly the same overall composition, except for the two elements __ and _ which may vary greflom one object to another. A. silicon, oxygen . ydrogen, helium C. iron, aluminum B O D. uranium, krypton E. oxygen. nitrogen 13. There is _ water stored in pi, and lakes than (as) in ground water. . A. more B. less C. out the same amount i i 14. The Earth is about years old. A. 600.000 B. 2.1 million C. 420 million C D. >16 billion E. 550 billion 15. Rough continentgflntain ranges, like the Rockies an imalayas must be relatively _ features of the Earth, because _. . ung; gravitational flow and erosion would had leveled them by now if they had formed early in the Earth's history B. young; not much vegetation has grown on them yet 9 C. old; all continental features are old D. old; such jagged features were formed only in early times 16. 'ch of the following regions of the Earth's interior is a liquid? outer core B. mantle C. lithosphere D. inner core E. Moho 17 e bottom of the Earth's crust extends deepest into the mantle beneath _. D p 18. Compared to the material imm iately beneath them. the surface plates of the Earth are _. warmer and more flexible B. warmer and more rigid cooler and more flexible D. cooler and more rigid E. stable; such solid rock cannot change much over the period of the Earth's history A. continental mountain r e B. continental plains C. continental margins @wan basins E. slightly cooler. and have about the same rigidity __ /‘ ‘. i P c 201 ceano ra h uiz #5 Name:\-J . — .-- . For each question. please put the letter of the best answer in the blank on the left. A. mass B. weight C. both D. neither A_1. $2 ___ of an object on Earth is the same as it would be if the object were on the Moon or in outer space. E 2 rchimedes’ principle' -2 cemed with—forces. ' A. gravitational oyant C. electrical D. strong E. psychic _ I . . C 3. Energy that is stored, as in a stretched rubber band, a c mpressed spring. or a rock that has been lifted high in the air. 9 is called _ energy. A. thermal B. kinetic @potential D. chemical E. electrical 4 sink B. stretch to both sides C. crack and slide outward D. cool down E 5. f the following ions of the Earth, which tends to have the lightest materials? A. mantle a: ust C. outer core D. inner core A E 6. Seismic waves bend toward regions _. where they go slower B. where they go faster C. that are hotter % D. at are cooler E. that are more rigid 7. 0 t e two kinds of seismic waves, the _ waves travel fastest, and the _ waves cannot travel through a liquid. 8. . § a massive volcano grows, the crust beneath it begins to . A. Q;S @P;s c. W;T D. P;P E. R;T - ich of the following was an early proponent of continental drift? 0 Alfred Wegener B. Charles Darwin C. Benjamin Franklin D. James Cook E. Francis Bacon e magnetism of an atom is due primarily to the _. . electrons B. neutral particles C. nuclear binding forces D. gravitational forces E. mesons . e term __ refers to rocks formed beneath the Eart ' surface. - A. plutonic B. granitic C. coriferous @neous E. cretaceous l l. The Earth's magn tic field points horizontally at th _. Q A tropics ‘orth and south poles C .arctic and antarctic circles D. equator C [2. ncient north—south movement of a continent can be determined from the __ of the fossil magnetism in the rocks. A A temperature B. declination C. dip D. bending 13 t materials become less dense when _. heated B. cooled C. moved D. none of these . I. vast majority of Earthquakes occur _____. along plate boundaries B. beneath the surface plates 311% . . in interior regions of surface plates D. in the core A 15. The age of oceanic - t _ with distance away from the ridge crest. A. increases ecreases C. neither 16. The area covered by the oceanic ridge is comparable to that of _. Argentina and Chile combined B. Africa C. all the continents combined D. all the oceans combined 7 On the oceanic ridge, the most rugged topography is found _. A. near the outer regions B. where it nears continents ( C.)near the ridge crest D. in polar regions DIS. Subduction zones are marked by _ on the ocean floor. A. the oceanic ridge B. mountains C. starfish a enches E. calcite oozes P lO . ‘ [M P c 2 1 ceano ra h 1112 #7 Nan.-. 7 For each question, please put the letter of the best answer in the blank on the left. A. greater maller C. roughly equal ( \g 2. Which of the fol owing reservoirs of the hydros ere contains the 1%; water? 6 A. polar caps and ice B. ground water tmosphere D. oceans E. rivers and lakes D - 3. Which of the following regions is most closely associated with the low-velocity z A. lithosphere B. Moho zone C. outer core D. upper asthenosphere C’firust A. 4 In a water molecule hared electrons spend ______ half of the time near the oxyge . C A. more than a ess than C. exactly D. none of these 5 Temperature is a measure . of olecular _. ‘\ | A. size B. shape @motion D. weight E. composition -. 6. Specific heat can be me ured in _. A. “C per gram B. grams per calorie per “C C. calories per gram C D. calories per gram per “C E. calories 7 For water, the solid phase (i.e ' e) is _ dense than (as) the liquid phase. I A. more B. equally less D. none of these B Z S 8. Pure water is densest at about ___“C. C12 0 13.4 (3.10 0.50 13.100 : 9. e inner planets are too warm and their gravity is too weak to be able to hold _ in their atmospheres. water and methane B. methane and ammonia C. carbon dioxide and nitrogen D hydrogen and helium E. the inert gases Q g 10. Shortly after their initial formatig, the inner planets had _ atmospheres. r") A. large E. medium no A b ll. Compared to the atmospheres of Venus and Mfiafih’s atmosphere has _. B E i 1. Compared to thace waters in the tropics. those in polar regions have a'_ influence on the world’s climate. A. more oxygen and less carbon dioxide . ore nitrogen and less oxygen A : C. more nitrogen and less hydrogen D. ess of everything E. more water and carbon dioxide 12. Of the materials dissolved in 0 an water, _ could have come from weathered crustal rock. D e A. some B. none @ll 13. In the darker waters just be the sunlit surface waters, the concentration of dissolved _ is enriched. and that of _ depleted. A. oxygen; nutrient B. oxygen; carbon dioxide C. carbon dioxide; nutrients g D. carbon dioxide; oxygen E. trients; carbon dioxide 14. At which of the follo ing latitudes would central ocean surface water to be most salty? A A. the equator 30“N or S C. 65"N or S D. all the same 5' E 15. The migration (wilecules due to their random thermal motions is called __,. Q A. advection convection C. microvection D. corpuscular motion E. diffusion g g 16. On average, water vapor is about __ % of th mosphere. A. 78 B. 21 C. 14 D. 6-7 ess than 1 Q 17. The abundance of which of the following gases in our atmosphere varies most frgfi place to place or from time to time? A. argon B. oxygen C. carbon dioxide D. nitrogen ater vapor ( 18. For every _ in elevation, at heric pressure is reduced by a factor of 1/2. A. 100 m B. 1.2 km 6 km D. 12 km E. 40 to 50 km A I 42 lg: P 1 h i #6 Narne1+._u_- ~ ‘ F0: each question. please put the letter of the best answer in the blank on the le . c 5 \J 1. Sedimentary rocks cover roughly __% of the continents. A. 2 B. 8 C. 18 D. 34 E. 70 E 2. When water is holding in solution as much of a mineral as it possibly can. it is said to be _ with that mineral. A. hungry B. full C. of maximum pH D. topped E. saturated . In sedimentary rock, fresh water tends to _ the minerals which cement neighboring grains together. it 3 A. deposit B. dissolve C. strengthen A Z 4. More mature sediments have grains which are more _. A. rounded B. angular C. rectangular or cubical D. flattened E. none of these 5 . Reef sediments are ___. A. lithogenous Miogenous C. hydrogenous D. cosmogenous g z 6. Qalcareous oozes would most likely be found _____. K A. near the continental margins B. in all deep ocean biologically active areas, away from land masses C. in temperate and tropical latitudes at depths shallower than 4 or 5 km D. in the deepest ocean areas in temperate and tropical latitudes ; Z 7. Seawater tends to be more acid when it contains more dissolved . A. salt B. calcium §_.;arbon dioxide D. ammonia. or secretions from organisms E. none of these E g 8. Abyssal clays have undergone chemical interaction with sea water due to their . A. little; stability against chemical interactions B. little; small grain size C. much; small size and long suspension time D. much; highly reactive minerals E. little; cold temperatures on the deep ocean floor w ) 9. Which of the following can be found as evaporite deposits? A. oozes B. quartz sands C. abyssal clays D. limestone and table salt E. shells. cobbles, and shales A 10. In a water molecule the shared electrons spend half of the time near the oxygen. A. more than B. less than C. exactly D. none of these i :/__l 1. Water has remarkable properties because the water molecules are _. A. round B. easily shaken apart C. heavy D. easily moved E. sticky i i 12. For water. the latent heat of evaporation at its boiling point is _ calories per gram. A. l B. 2 C. 80 D. 180 E. 540 B 13. In sodium chloride the shared electron spends most of its time near the _ atom. A. sodium B. chloride C. about half and half 'D EM. 0f the following planets, which is farthest from the Sun? A. Earth B. Mercury C. Venus D. Jupiter E. Mars 2%) 15. Molecules in the atmosphere escape from Earth most easily if they are _ and the temperature is _. A. light; hot B. light; cold C. heavy; but D. heavy; cold E. It does not depend on the weight of the molecule. E C 16. The relative abundances of materials within the Earth are best estimated from analysis of . A. crustal rocks B. the atmosphere C. the ocean D. the Sun E. meteorites W 17. If a covered jar of ocean water is put on a shelf and left alone for a long time. the _ materials will eventually settle out of the water. A. dissolved B. suspended C. both D. neither W __@_18. Compared to surface waters. deep waters tend to be _. A. warmer and have more dissolved CO2 B. colder and have more dissolved C02 C. warmer and have less dissolved CO2 D. colder and have less dissolved CO2 E. none of these n 13 \ 3:; 2m Oceano in I: Hi: #9 Name: 7 _ 7 __ . . . . 5 For each question. please put the letter of the best answer in the blank on the lef . D I. Underwater land movements, such as underwater earth travel across the ocean. A. tide ' ’ 2. A wave is a “deep water wave” if the water depth is greater than ___. A. the continental shelf B. about 100 meters C. 10 meters D. 112 the wavelength E. “20 the wavelength 3. When tw0 or more waves are superimposed in such a way that the amplitude of the resulting wave is larger than that the component waves, we have “AA A. vector waves B. swell constructive interference D. Huygens' Principle E. additive compliance ‘6‘4 . Surface tension is caused by _. A. the cooling effect of the air on the water's surface among neighboring water molecules C. the evaporation of water molecules from the water' D\. interactions between air and water E. debris that floats on the water's surface C 5. Waves would not move if there were no ___. A. wind B. surface tension C. restoring force D. stickiness to the water molecule 0 6. After passing through gaps in breakwater-s, waves spread out due to __ A. reflection B. refraction @flmcfion D. friction E. none of these A7. In deep water, __ waves travel faster. A. longer B. shorter (wavelength) C. taller D. smaller (height) i X 8 . On jagged coastlines, wave energy is concentrated on the A. points; coves B. coves; points C. (neither) _B_.J_the electrical attractions 3 surface __ and reduced on the _. f) 4 A 9. All waves tend to bend __ regions where their speed is slower. A. towards B. away from C. neither of these § 10. In waves ofiatplafiflm water molecules move _ as the wave passes by. Mn circular orbits B. in elliptical or its . in rectangular orbits D. along with the wave E. upwards only ll. Tsunamis travel at typical speeds of about _km/hr. over the deep ocean basins. A. 12000 B. 750 C. 250 D. 100 E. 40 (or slower) 12. The presence of internal waves can sometimes be detected by __ on the surface. A. birds B. slicks C. waves D. capillary waves E. the water color Ci: 13. There is a tidal bulge on the side of the Earth _. A. nearest the Moon B. away from the Moon C. both D. neither E g 14. The Moon orbits the Earth and Q) A. slightly less than B. exactly slightly more than 15. The main reason that the tide “comes in” twice a day is that _. A. the tidal bulge is moving B. the Earth is rotating C. neither of these B l g 16. In the northern winter the North Pole is tilted somewhat __ the Sun. A. toward B. away from C. sideways to l E 17. Because of the Coriolis effect, the tides tend to h the ocean. A. go straight back and forth across B. slosh in circles around i’;‘ 183; he speed with which tidal waves travel is limited by the _. A. wind B. ocean’s depth C. Earth‘s rotation D. Coriolis effect D. any of these E. none of these P c2 e ra h uiz# Nan W For each question, please put the letter of the best answer in the blank on the left. \ 2 1. Organisms that live in or on the ocean bottom are called _. A. abyssal B. neritic C. autotrophic @nthic E. pelagic g g . Compared to surface currents, the dee currents tend to be __ and __ voluminous. A. faster; more B. faster; less lower; more D. slower; less 3. If a sample has a sigma-tee of 28.5, then the value of its __. salinity is 28.5%0 B. temperature divided by its pressure is 28.5 @ensity is 1.0285 glcm3 D. compression ratio is 28.5 parts per million E. none of these 4. If they are all measured at atmospheric pressure, then densities of various samples of ocean water depend on their __only. A. salinities B. mineral contents Dmperatures and salinities D. temperatures and volumes E. temperatures 5 Looking down fr u above the North Pole. the Earth is spinning _. O A. clockwise unterclockwise C. neither of these D 6. The Ekman spiral d cribes _. A. changes in deep water flow over time B. air flow around a high pressure center awed and direction of flow in surface currents at various depths E D. the magnitude of tidal oscillations E. none of these 7 Facing the direction the current is flowing (i.e., the current is hitting you in the back). for wind-driven surface currents in the Northern Hemisphe - water is deflected by the Coriolis effect _. A A. towards the left towards the right C. downward D. eastward E. none of these D 8. e Antarctic CircumpolarfCurrent is the same as the ____. AF g equatorial current [13. Brazil Current C. Kuroshio Current D. West Wind Drift E. Penguin Ride 9 The centers of the . r current gyres are regions of _. ' A. convergence ivergence C. (varies from one ocean to another) 1210 El Nir'io is caused by _. A. resonant galoscillations B. a prolonged period of summer heating C. the convergence of surface currents ackening in the trade winds E. the Coriolis deflection of certain surface currents D ; 11. The Peruvian coast experiences El Ni~ each year around _. D A. early spring B. late spring ctober D. Christmas 12. The Gulf Stream extends from the surface t depth of about _. A. 10 m B. 130 m C. 500-700 in - 1.5 km E. 4-5 km fill The loops in the Gulf Stream sometimes become so pronounced that they break of as independent eddies. @ true B. false $14. A deep wateréfis flows downhill over either the ocean floor or another water mass that is _ than itself. B A. colder . enser C. saltier D. warmer E. slower Di 15. In 1900, Galveston, Texas was (1 oyed by a(n) _. A. tornado B. Earthquake @unami D. storm surge E. tidal bore @16 Ocean waves are waves. A. sideways @rbital C. longitudinal D. parallel E. transverse 17. Underwater lan movements, such as underwater earthquakes, volcanic ex ' s or land slides. generate H waves 3 2 that travel across the ocean. A. tide B. seismic C. wind driven unami E. soliton 18 . The horizontal distance between a point on one wave .n..g the corresponding point on the next wave is called the . A. wave period B. amplitude C. steepness avelength E. none of these l / N 02.0 For each question. please The basic structure on which an atoll forms is . . In deep water. waves travel faster. . A typical tsunami arriving at some coast would be noticed as . a h i #1 Name " - put the letter of the best answer in the blank on the lett. ca A. an active volcano B. a subsiding extinct volcano C. a continental margin D. an oceanic ridge E. a compressional ridge in the ocean bottom Typical rates of sedimentation on the continental margins are _ compared to sedimentation rates on the deep ocean floor. A. much greater B. much smaller C. roughly equal Most organic materials __,__ easily dissolved by water. A. are B. are not When air is holding as much water as it can (normal conditions), it is said to be _. A. inundated B. wet C. complete D. saturated E. none of these Which of the following is 19; one of the driving forces for the major ocean currents? A. gravity B. geothermal forces C. wind Waves __ be generated between two layers of air in our atmosphere. A. can B. cannot When two waves are superimposed crest on trough. and trough on crest, there is M. A. destructive interference B. negative cancellation C. harmonics D. negative accommodation E. subtractive compliance Waves would not move if there were no _. A. Wind B. surface tension C. restoring force D. stickiness to the water molecule As waves pass overhead, water motion becomes negligible deeper than about _. A. 24 meters B. half the wave's wavelength C. 10 meters D. it) times the wave's height E. twice the wave‘s height [taller ,5]. smaller (height) A. longer B. shorter (wavelength) . On jagged coastlines. wave energy is concentrated on the and reduced on the . A. points; coves B. coves; points C. (neither) . In waves of translation. the water molecules move as the wave passes by. A. in circular orbits B. in elliptical orbits C. in rectangular orbits D. along with the wave E. upwards only . Once a tsunami is underway. it is to predict what coastal areas will be most greatly affected by it. A. easy B. difficult /K a huge wall of water, like a huge breaking wave. crashing into the coast B. a very violent series of waves crashing into shore C. an unusually large variation in sea level with a period of ten to twenty minutes. D. none of these . Which of the following kinds of waves has the longest wavelength? A. tsunamis B. swell C. tidal waves D. capillary waves . broken waves . There are tidal bulges in the __. A. ocean B. atmosphere C. solid Earth D. all of these E. A and B only . The main reason that the tide “comes in“ twice a day is that . A. the tidal bulge is moving B. the Earth is rotating C. neither of these Because of the Coriolis effect. the tides tend to _ the ocean. A. go straight back and forth across B. slosh in circles around _\..¢7 ,P_S_c 201 Oceano ra h uiz #8 Name. . 7v . - - v— 4 S .~_" each question. please put the letter of the best answer in the blank on the left. I ( 4 1. Most deep water masses originally formed and acquired their particular characteristics when they were ___. A. near the ocean bottom B. at intermediate depths at the ocean surface A 2. Due to the tremendous pressures, water on the deep ocean floor is about ____ denser than water at the surface. HA. 2% B. 40% C. 2 times Q45 times E. 25 times 1p 3. The salinity of sea water typically fall in e range of ___%o. A. 1—2 B. 10— 14 C. 22-26 .34—36 E. none of these /’ ‘—-—._ 4. When ice freezes, it tends to __ the s' from the freezing sea water. A. absorb B. eject . . Looking down from above the North Pole, the Earth is spinning _. A. clockwise B. counterclockwise C. neither of these ( E 6. The Ekman spiral describes _. A. changes in deep water flow over time B. air flow around a high pressure center C. speed and direction of flow in currents at various depths near the surface D. the magnitude of tidal oscillations E. none of these (B 7. In the Northern Hemisphere, _ tends to accumulate on the right side of the surface current. (Y ou're facing the direction the current is traveling.) A. denser deeper water B. less dense surface water C. both D. neither ll 8. Upwelled deep waters mean _ biological activity. A. increased B. average decreased D. no g U 9. The Antarctic Circumpolar Current fIOWS _. A. northward B. eastward C. southward D. westward E. poleward B ’ V l S 10. The trade winds are somewhat __ in the doldrums compared to the regions just north or south of that. A. stronger B. weaker C. no difference C i l; 11. Normally in the tropical ocean, the cooler surface water is on the _ side of the ocean, which is responsible for _. A. west; high pressures and clear skies B. west; low pressures and cloudy skies C. east: high pressures and clear skies D. east; low pressures and cloudy skies 12. The Gulf Stream extends from the surface to a depth of about _. A. 10 m B. 130 m C. 500-700 in D. 1 - 1.5 km E. 4~5 km A Q 13. W u@ air is most closely associated with _. A. rising air and cloud formation B. rising air and clear skies C. falling air and cloud formation falling air and clear skies \ a. 14. Along the east coasts of the continents (that would be the western edges of the oceans) there is a tendency for the departing surface waters to be replaced by water _. A. upwelled from below B. that comes from ice melt C. creeping down along the continental margins from Higher latitudes D. creeping up along the continental margins from tropical latitudes 13 15. The‘Arctic Bottom Water, produced beneath the Arctic ice sheet, cannot get out of the Arctic Ocean because it is blocked by _. A. ice B. continents and sills C. northward-flowing currents D. caballing waters from the surface above E. all of these (J 16. All three major oceans are interconnected at their ____ ends. 9 R A. northern B. eastern C. southern D. western E. none of these % E C/ 17. Tidal currents affect _,_. &surface waters only B. waters to depths of about 100—150 meters C. waters to depths of about 1 km D. deep waters only E. waters at all depths 4-... “‘5. " ' ' "‘Mn, Texas was destroyed by a(n) __. _ ‘hquake C. tsunami D. storm surge E. tidal bore - (4". K? -xTo" 9" a - we \9\\°‘9 ...
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