sample_midterm

sample_midterm - 1. Compared to the material immediately...

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1. Compared to the material immediately beneath them, the lithospheric plates of the Earth are a. warmer and more plastic b. warmer and more rigid c. cooler and more plastic d. cooler and more rigid e. slightly cooler, and have about the same rigidity 2. The pH of seawater is a. strongly acid b. slightly acid c. neutral d. slightly alkaline e. strongly alkaline 3. Of the following regions of the earth, which is liquid? a. Mantle b. Crust c. Inner Core d. Outer Core 4. Harry H. Hess' most important contribution to the concept of plate tectonics was a. he coined the term 'sea-floor spreading' b. he correctly interpreted the magnetic anomalies on the ocean floor c. he proposed mantle convection as a driving force for plate motion d. he was the first to observe polar wandering 5. During photosynthesis, ____ is (are) released by the plants. a. oxygen b. carbon dioxide c. nutrients d. all of the above 6. Dissolved lead (Pb) in seawater is a a. major constituent b. dissolved gas c. nutrient d. trace element 7. In New York, the fossil magnetism in rocks formed about 230 million years ago, is horizontal (i.e., the inclination is 0°). We conclude that 230 million years ago, New York was near a. the North Pole b. the South Pole c. either of the above d. the equator e. the point where it is now (about 42°N)
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8. The San Andreas Fault in California is a plate boundary a. transform b. transitional c. unstable d. divergent e. convergent 9. The oceans constitute the following proportion of the earth's surface a. 10% b. 30% c. 50% d. 70% 10. The Coriolis effect for things moving in an east-west direction is greatest at which of the following latitudes? a. 0° b. 23° N c. 45° N d. 68° N e. all the same 11. Polar molecules a. have a positive and a negative side. b. are formed only in Antarctica c. are common in table salt d. act as a neutral body. 12. Water at the bottom of the ocean is _______ than near the surface. a. 3 or 4 times denser b. 3 or 4 times less dense c. slightly denser d. slightly less dense 13. The vast majority of earthquakes occur a. along plate boundaries b. beneath the lithospheric plates c. in interior regions of lithospheric plates d. in the asthenosphere e. in the core 14. Over the last 40 million years, the motion of Australia has been a. eastward from Africa across the Indian Ocean b. westward from South America across the Pacific Ocean c. northward from Antarctica d. southward from Asia e. none of the above. Australia has not moved.
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15. The "horse latitudes" have
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This note was uploaded on 10/13/2008 for the course ESS 15 taught by Professor Kyte during the Spring '07 term at UCLA.

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sample_midterm - 1. Compared to the material immediately...

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