questions_days1-3_2010

questions_days1-3_2010 - What is the Earth system? H ow...

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How many components How many components of the Earth system can of the Earth system can you identify? you identify? What is the Earth system? Geosphere Geosphere : mostly solid : mostly solid Earth Earth Hydrosphere Hydrosphere : “blue planet”; : “blue planet”; oceans, lakes, rivers, oceans, lakes, rivers, groundwater, glacial ice groundwater, glacial ice Atmosphere Atmosphere : gaseous : gaseous envelope (e.g., clouds) envelope (e.g., clouds) Biosphere Biosphere : living organisms : living organisms (green planet) (green planet) Exosphere Exosphere : outer space (solar energy, : outer space (solar energy, meteoroids, asteroids) meteoroids, asteroids) Anthroposphere Anthroposphere : humans and their : humans and their infrastructure (buildings, roads, dams, infrastructure (buildings, roads, dams, etc.) etc.) Photo: www.spacetoday.org
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Seasons Most daylight hours Least daylight hours Equal day Spring equinox : sun directly overhead of Equator Summer solstice : sun directly overhead of Tropic of Cancer (23.5°N latitude) Autumnal equinox : sun directly overhead of Equator (0°N latitude) Winter solstice : sun directly overhead of Tropic of Capricorn (23.5°S latitude) astronomyonline.org Q1. What accounts for the seasons on Earth? Related to tilt of Earth’s axis (23.5°) and orbit around Sun.
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What is Earth’s size? 360° Modern value: 40,030 km C=[(360°)(833.3 km)]/7° 7° / 833.3 km = 360° / C C= 42,855 km is to 833.3 km as 360° is to C
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What is Earth’s size? 40,030 km Q2. What are the Earth’s radius and diameter? C = 2 π r 40,030 km = (2)(3.14) (r) r = 6371 km Radius=? D=2r = 2*6371 km= 12,742 km Smith & Pun (2001)
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In-class exercise Q3. What type of diagram is this? A. block diagram B. cross section C. graph D. map Fig. 2.7 Fig. 2.7
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In-class exercise Q4. What do the colors represent? A. Age of rocks (red is older, blue is younger) B. Different types of rocks (red & orange = igneous; yellow & green = metamorphic; blues = sedimentary) C. Elevation above or below sea level (red is high, blue is deep) D. Temperature (red is hotter, blue is colder) Fig. 2.7 Fig. 2.7
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In-class exercises Q5. Where is the highest elevation? A. Africa B. Asia C. Atlantic Ocean D. Europe E. Pacific Ocean Fig. 2.7 Fig. 2.7 Himalaya mountain range in Asia Himalaya mountain range in Asia
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In-class exercises Q6. Where is the lowest elevation? A. Africa B. Asia C. Atlantic Ocean D. Europe E. Pacific Ocean Fig. 2.7 Fig. 2.7 Mostly around the edges of the Pacific Ocean. Mostly around the edges of the Pacific Ocean.
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Q7. What best describes the distribution of earthquakes? A.
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This note was uploaded on 01/29/2012 for the course 460 100 taught by Professor Schlsche during the Fall '09 term at Rutgers.

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questions_days1-3_2010 - What is the Earth system? H ow...

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