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Unit 1 - Earth Systems Test Review Sheet

Test Composition: Chapter: 3; 100 points: Multiple choice, fill ins, graph interpretations, short answers

Earth’s Spheres (Ch.3)

1. What is the geosphere?

2. What are the layers of the Earth’s interior?

3. What is the theory of plate tectonics?

4. How are tectonic plates moving? What landforms are created from the tectonic plate movements?

5. In what ways could volcanic eruptions create environmental problems?

6. What is the atmosphere?

7. What gases make up the atmosphere? Which gas is most abundant?

8. What are the layers of the atmosphere? What happens in each layer?

9. What happens to air pressure with increased height in the atmosphere? What does that do to the air’s density?

10. What weather is associated with high pressure systems? Low pressure systems?

11. What is radiation? Conduction? Convection?

12. What is the Greenhouse effect? Why is it important?

13. What is the hydrosphere?

14. What is the water cycle? Describe each part of the water cycle.

15. How does the ocean regulate global temperatures?

16. Compare and contrast freshwater and saltwater.

17. What is an aquifer? Why is it important?

18. What is the biosphere?

19. What characteristics of Earth make life possible?

20. What is a closed system? Why is Earth considered a closed system?

21. How are the geosphere, atmosphere, hydrosphere, and biosphere interconnected (interrelated)?

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