Tectonic Plates

3. A crack in the earth's crust.
6. Process in which rock, soil is removed from the surface.
7. The gases that surround the earth.
9. Outer most surface of the earth.
11. What type of plate is under the Ring of Fire?
12. When two plates are moving ________ from each other, causing earthquakes.
13. Process in which rock are broken down into smaller pieces by the effects of weather.
16. Layer in our atmosphere that contains our ozone layer.
20. Part of the earth that supports life.
21. Sections of the Earth's crust.
22. Another name for earth.
23. The mantle of the earth is __________ ?
24. Scientist that suggested the plates where moving.
25. Near a Subduction Zone the plate moves under the crust and is dissolved in the _____?

1. Study of the earth.
2. The center most part of the earth that is solid.
4. Only 21% of the earths atmosphere is made of this gas.
5. Theory that the continents were once all together, but over Millions of years have moved/drifted and are still moving at about 1-2 inches per year.
8. When plates of the earth move toward each other it produces a ______ Boundary.
10. The water on the earth and in the atmosphere.
14. What tells the history of the earth and animal placement?
15. Deposit of soil.
17. Temperature of Earth and __________ as depth increases.
18. What is the name of the boundary when two tectonic plates move away from each other?
19. The Super Continent that existed 200 Million years ago.