Chapter 5 Homework

Chapter 5 Homework - Chapter 5 Fill In the Blank 2. Of...

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Chapter 5 Fill In the Blank 2. Of Earth’s crust, mantle, outer core, and inner core, which layer is the thinnest? The Crust 3. Earth is unique among the planets in that it has water on its surface. 4. The tidal force is due to the difference in the gravitational force from one side of Earth to the other. 5. The craters on the Moon are dark, flat, roughly circular regions hundreds of kilometers in diameter. 6. Craters on the Moon are primarily caused by Meteors . 7. The lunar maria’s dark, dense rock originally was part of the mantle of the Moon. 8. Earth’s atmosphere is 78 percent nitrogen and 21 percent oxygen. 9. The troposphere is where the process called convection occurs. 11. An increase in the level of carbon dioxide in Earth’s atmosphere would increase our planet’s temperature. 12. When trapped electrons and protons from the magnetosphere eventually collide with the upper atmosphere, they produce an _______. 13. Observations of seismic waves imply that Earth’s inner core is solid and the outer core is liquid. 14. For differentiation to have occurred, Earth’s interior must, at some time in the past, have been largely molten . Review and Discussion
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This homework help was uploaded on 04/02/2008 for the course ASTR 101 taught by Professor Caffo during the Fall '06 term at New Mexico.

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Chapter 5 Homework - Chapter 5 Fill In the Blank 2. Of...

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