Across
- 4. Ancient life evidence
- 6. Lava erupting
- 7. Supercontinent that existed 200 million years ago
- 8. Has an upper layer which is solid on the top, soft on the bottom and a lower layer which is really hot and allows the lithosphere to move
- 9. The peak of the ________
- 10. Two things coming together
- 11. The third closest planet to the sun
- 12. The action of a plate sliding under another
- 13. Has an outer layer which carries a very hot liquid metal layer and an inner layer which is a super dense solid
- 15. The size of an earthquake
- 16. Two things moving in opposite direction
- 18. A thin layer of rock around the Earth
- 19. It covers 71% of the earth's surface
- 20. The act of change
Down
- 1. Large solid rocks that make up the lithosphere
- 2. A molten rock
- 3. A real or imagined limit that separates two things
- 4. The boundary between two plates
- 5. Large scale movement and interaction of large solid rocks
- 11. The sudden shaking of the Earth
- 13. There are seven __________ on earth
- 14. Mountain systems formed by the diverging tectonic plates
- 17. Long, narrow depressions on the sea floor that mark the locations of convergent boundries