Across
- 2. supercontinent
- 4. plates that moved closer together
- 6. magma outside the earth
- 7. the topic of this crossword
- 9. the plates under the ocean
- 11. plates that move farther apart
- 12. first layer of the earth
Down
- 1. plates moving past each other horizontally
- 3. lava inside the earth
- 5. the third layer of the earth
- 8. the fourth layer of the earth
- 10. the second layer of the earth