2. What Are the Two Sources of Energy for the Earth System?

1. Why is earth considered a system?

2. What are the two sources of energy for the Earth system?

a. What does each source contribute to?

3. What is longitude?

a. What is the middle line at 0o called?

4. What is latitude?

a. What is the middle line at 0o called?

5. Describe a topographic map, contour lines, and contour intervals.

6. What are the main areas of study in Earth Science? List and define.

7. What are Earth’s four major spheres? List and define.

8. How have humans affected Earth as a system? Give specific examples.

9. What is the theory of plate tectonics?

10. What is a mineral?

11. What are the four processes by which minerals form?

a. For each one: list, describe, and name a place on earth where you would find the process at.

12. How are minerals classified into groups?

13. The Mohs scale is used to measure what mineral property?

14. What tool is required to perform a streak test?

15. Which characteristic is the least useful when identifying minerals and why?

16. How do large and small crystals form?

17. What does it mean to be a rock? What are the characteristics?

18. What are the three types of rocks?

19. What are the agents of metamorphism?

20. What is an igneous rock?

a. Where does it form?

21. What is a renewable resource?

a. List three examples.

22. What is a nonrenewable resource?

a. List three examples.

23. Which two energy resources might replace dwindling petroleum supplies one day?

24. For Solar energy:

a. List some advantages

b. List some disadvantages.