Across
- 3. The inner layer of the earth
- 5. A volcanic rock
- 6. Melted down siltstone turns into...
- 8. The biggest plate
- 9. Used to measure the size of an earthquake
- 13. Made of small rocks and glass fragments during a volcano eruption
- 14. The name of the plate for the land
- 15. directly above the form focus
- 17. The super continet
- 18. While erupting can spew hot magma/lava
Down
- 1. The name of the plates that run under the ocean
- 2. Form when magma is cooled slowly in a rock
- 4. A glass-like black rock
- 6. A type of rock formed when other rocks or living things washed into oceans and lakes
- 7. Magma that has reached the surface
- 9. A rock formed by high heat and heavy pressure
- 10. A shake caused by two plates sliding past each other
- 11. What the crust is made up
- 12. A remain or imprint of a remain stuck in a rock
- 16. A metamorphic rock formed from limestone
