Plate Tectonics
Across
- 2. When two tectonic _______ collide they can cause earthquakes.
- 6. The area where two plates collide and one goes beneath the other and is destroyed.
- 8. These are mainly formed from transform boundaries.
- 10. Formed from Cementation and Compaction
- 11. A crack in the earth, found at subduction zones.
- 13. The Earth’s lithosphere is broken up into many _____________.
- 15. Melted rock above ground.
- 18. An action that occurs at all boundaries.
- 19. This can cause subduction zones.
- 20. This is the thinnest layer of the Earth.
Down
- 1. Formed from cooling magma.
- 3. Two plates moving apart makes a ______ boundary.
- 4. The _____ is denser than the continental plates.
- 5. The less dense plate.
- 7. This is the thickest layer of the Earth.
- 9. The first hundred kilometers of the Earth is called ______.
- 12. Formed from heat and pressure.
- 14. A formation where two plates fold
- 16. Spews ash and magma.
- 17. Earthquakes and faults are mainly made at this boundary.