Across
- 2. inner core is really hot because it's ____
- 7. part of the mantle that flows
- 8. type of force when one object pushes another
- 10. when one plate sinks beneath another plate
- 14. moves rock
- 15. distance/time
- 17. landform that occurs line of seafloor spreading
- 18. to compare
- 20. particles clumping together
- 22. breaks rock
Down
- 1. strength of a force
- 3. crack in the crust where rock layers offset
- 4. wind/water resistance; fluid friction
- 5. variable that's being tested in experiment
- 6. waves used to study Earth's interior
- 9. plates move because of ___ currents
- 11. type of boundary when plates pull apart
- 12. type of rock formed from magma/lava
- 13. type of force that holds objects up
- 16. V-shape along subduction zone
- 19. type of boundary when plates collide
- 21. force between charged particles
