Across
- 5. What is the shaking of the ground called?
- 6. What is the hottest layer of the earth?
- 10. What is the type of boundary when plates slide past each other?
- 11. What is the type of boundary when plates move towards each other?
- 13. What type of rock forms from melting and hardening again?
- 14. What kind of Igeous rock hardens underground?
- 15. What type of rock forms from sediments hardening?
Down
- 1. What is it called when new oceanic crust is formed through volcanic activity and then gradually moves away from the ridge.
- 2. What is a rupture in the crust that allows lava and ash to escape from a magma chamber below the surface?
- 3. What is the densest plate?
- 4. What is the type of boundary when plates move apart?
- 7. What type of rock forms from heating up and pressure?
- 8. What kind of Igeous rock hardens above ground?
- 9. What is the super continent that existed around 335 million years ago?
- 12. What layer of the earth do plates rest on?