Across
- 4. Volcanoes are _______ processes.
- 7. Hottest layer of Earth.
- 8. slow upward movement of earth surface
- 10. Two plates moving away from each other
- 13. breaking down something
- 16. Erosion is a _______ process.
- 17. Deposits sediment on land. A
- 18. Rock with crystals and formed by heat and pressure.
- 19. First layer of Earth.
- 20. Two plates moving towards each other
Down
- 1. Particles of sand, dirt, stone.
- 2. When a plate is pushed under another
- 3. The slope of a river or stream.
- 5. Rock formed by other materials smushed together.
- 6. How many continents are there.
- 9. Name of supercontinent.
- 11. What types of rocks can float.
- 12. Giant moving plates under earth surface.
- 14. Deposits sediment in water.
- 15. Rock formed from cooled magma and has air pockets.