The changes of the earth

4. What cycle describes how rocks can change from one type to another?
5. How are sedimentary rocks useful?
8. What do metamorphic rocks go through?
10. What are rocks made of?
12. hundred When was two-thirds of the Australian forests cleared in years (words)?
13. what are Magma that flows onto the earth surface?
14. How do fossils form?
16. Why does the composition and appearance of the mineral in rocks change?
19. fields How do scientists, conservation groups and governemnt bodies try to improve the environment from erosion?
22. What is extrusive rocks?
24. Why are quartz different colors?

1. Who created the words meta (after, changed) and morphe (form)?
2. Where are igneous and sedimentary rocks located?
3. Who study fossils?
6. Where does the action of the sea breaks off pieces of coastal rock, often leaving spectacular features such as the?
7. Where do the layers of sedimentary rocks form?
9. How does volcano erupt?
11. When can acid rain form
15. What is a fossil?
17. Why does weathered rock usually gets moved one place to another by the wind, running water, and the sea or glaciers?
18. Type and Natural Action How does the weathering process depend on something (two, use and)?
20. What is the process of breaking down rocks?
21. when can stone become magma (temperature)?
23. of presence What are trace fossils?