Across
- 3. super continent
- 4. plate boundary that pulls apart
- 7. middle part of the earth that contains liquified rock
- 8. the part of the earth we stand on or swim on top of
Down
- 1. plate boundary that collides or pushes together
- 2. inner most part of the earth
- 3. theory that the continents moved over time
- 5. plate boundary that slides past one another
- 6. study of the earth