Tic-Tac-Tonics

2. When a volcano erupts this can come out with lava
8. The theory that Earth's crust is made up of large pieces that move against each other
12. an extremely hot area away from plate boundaries, causes volcanoes and are called these
13. All of these have been sleeping for thousands to millions of years
17. When plates hit each other with the same density it results in this
18. The theory that all plates were connected but drifted apart slowly over time
20. When layers of organisms and rock layers are found, giving you a timeline of when they were alive
21. When two plates slide past each other
22. Low area's of Earth's crust filled with seawater
23. extremely hot molten liquid

1. These are measured on the Richter scale; the highest at 8 is total destruction
3. When molten rock explodes into the air
4. When two plates move away from each other
5. areas where magma heat water and shoot hot water into the air
6. techtonic plates move on top of this
7. super continent that joined all plates over 300 million years ago
9. When younger layers of rock sit on top of older layers
10. The name for mineralized organisms
11. A deep and narrow space on the seafloor where the plates are moving downward
14. When two plates move towards each other and hit
15. The process of a heavier plate pushing downward on another plate
16. A big piece of crust that moves on the upper part of the mantle
19. When plates shift suddenly and release stored energy