Plate Tectonics

2. A sudden or violent shaking of the ground
7. Plates that slide past eachother sideways
10. an opening in Eath's crust that spits out lava
13. Gigantic pieces of the Earth's crust and uppermost mantle
15. The movement of continents from the motion of tectonic plates
17. A super continent that joined all the continents together at one point in time
18. The movement of a lquid where the hotter material rises and the cooler material sinks
19. A string of Islands created by volcanoes
20. A long valley formed by the sinking of the Earth's crust

1. Plates that pull away from eachother
3. The measurement of the amount of mass in a substance
4. The transfer of heat by touching between materials
5. A hot fluid that is from the mantle
6. Magma at the surface of Earth
8. The transfer of energy through waves and particles
9. An area where deep material in the Earth rises and melts into magma
11. The remains of an acient organism that is preserved into a rock
12. A break in Earth's crust
14. Plates that push towards eachother
16. Two tectonic plates meet at convergent boundaries, and one of the plates moves under the other