Across
- 5. A supercontinent from 300 million years ago.
- 8. Hot molten that has erupted out of a volcano.
- 9. A valley underground formed by plate tectonics and creates new seafloor.
- 10. Pieces of land on Earth that are seperated by cracks.
- 11. A violent shaking from the movement of Earth's crust.
- 12. A measure of mass in an objects volume.
- 16. A mountain with a top hole that rocks and lava comes out of.
- 18. The result of volcanoes making a string of islands.
- 20. The transfer of heat through fluid.
- 21. Major line of volcanoes.
Down
- 1. Pieces of soil from the ocean floor obtained by humans.
- 2. Hot liquid within Earths crust.
- 3. The transfer of heat through rays.
- 4. The process when mid-ocean ridges adds new material onto the sea floor.
- 6. Minerals on the ocean floor lined up in the direction of Earth's magnetic poles.
- 7. A process of when pieces of land slowly break apart.
- 13. A trace of an old organism preserved into a rock.
- 14. Rocks shaped like pillows.
- 15. The transfer of heat through touch.
- 17. The proccess when sea floor sinks beneath a deep ocean trench.
- 19. An area where material from the mantle pushes through the crust and forms into magma.