Across
- 3. when two plate boundaries move towards each other
- 4. when two plate boundaries side into each other horizontally
- 6. creates volcanoes and mountains
- 7. creates mountains and trenches
- 9. the cause of the continents moving
Down
- 1. when two plate boundaries move away from each other
- 2. Molten rock
- 5. when magma comes up, not on a mid-ocean ridge
- 8. extremely deep holes in the earth caused by subduction