Across
- 4. when pressure from below the earth forces magma through the cracks in the earth's crust it is called this
- 5. liquid rock when it is under the crust of the earth
- 7. an opening in the earth where magma, gases and ash escape from under the crust
- 11. all of the air that surrounds planet earth
- 12. when two tectonic plates push into another and one of them is forced down below the other
- 15. the second layer of the earth made of mostly iron and nickel
- 17. the type of boundary between two tectonic plates where the plates slide past each other
- 18. when pressure between tectonic plates releases causing a violent in the crust of the earth
- 19. all of the water on the earth, lakes, rivers, oceans, etc
- 20. the type of boundary where two tectonic plates move away from each other
Down
- 1. the innermost layer of the earth that is solid and made up mostly of iron
- 2. liquid rock when it emerges from under the crust
- 3. all the land that makes up the surface of the earth
- 6. large chunks of rock and dirt and vegetation that make up the crust of the earth
- 8. the layer of the earth below the crust that is made up of magma or liquid rock
- 9. the place tectonic plates meet each other where earthquakes and volcanic eruptions occur
- 10. the outer layer of the earth made up of rocks and soil and vegetation
- 13. the combination of lithosphere, hydrosphere and atmosphere where all living things reside
- 14. the type of boundary where two tectonic plates push into each other
- 16. the movement of water moving material along the surface and changing landforms