Across
- 3. is magma older or younger away from the mid ocean ridge?
- 5. when plates move past each other.
- 6. is magma older or younger toward the mid ocean ridge?
- 7. beneath this layer is a plastic like substance.
- 9. where 2 oceanic plates collide.
- 12. when earth's plates collide they form volcanoes and_.
- 13. differences in the rock in the asthenosphere.
- 15. the great rift valley in africa is _.
- 16. where is the asthenosphere located.
- 18. what is hawaii made of?
- 19. composed of the crust and a part of the upper mantle.
Down
- 1. the crust and upper mantle.
- 2. the result of plate movement can be seen at.
- 4. active volcanoes are most likely found at _ plates.
- 8. an example of a transform boundary.
- 10. magma's cycle of heating, rising, cooling, and sinking.
- 11. in order to complete a convection current the rising material must_ back into earth.
- 14. when oceanic plates collide what landforms are made.
- 17. what is magma called after it explodes out of the volcano.
- 19. what was the big continent called.