Across
- 2. this rock type is made with heat
- 3. the layer of atmosphere where weather occurs
- 5. when heat goes up and cold goes down
- 8. these plate boundaries cause earthquakes
- 10. we revolve around this
- 12. the hottest layer of Earth
- 15. heat traveling through empty space
- 16. the thinnest layer of Earth
- 17. this is what stays the same during the lab
- 20. the thickest layer of Earth
- 24. this is made when magma cools and hardens
- 26. fast current of moving air that flows West to East
- 27. this is what you change in a lab
- 28. this is what you count or measure in a lab
- 29. these 4 planets are made of rock
Down
- 1. these 4 planets are made of gas
- 4. when rocks break through other rocks
- 6. when two objects are touching and heat is transferred
- 7. these plate boundaries create mountains
- 9. the moving of rocks
- 11. the 3 kinds of boundaries
- 13. the 3 kinds are elliptical, spiral and irregular
- 14. these plate boundaries cause sea floor spreading
- 18. there are 2 kinds, heliocentric and geocentric
- 19. this needs warm water in order to form
- 21. this is made by weathered rocks squishing together
- 22. when water freezes it does this
- 23. the breaking down of rocks
- 25. states the oldest rocks are on the bottom