Across
- 3. Area where one plate slides under another plate
- 4. What something is made of
- 6. Earth's outer layer
- 8. New crust being created; happens at Mid-Ocean ridge
- 10. Solid center of Earth
- 11. Theory proposed by Alfred Wegner
- 12. Semisolid layer below the crust
- 14. Boundary where two plates pull apart
Down
- 1. theory that Earth's crust is split into multiple plates
- 2. Piece of Earth's crust
- 5. Boundary where two plates slide past each other
- 6. a force that squeezes something together
- 7. Boundary where two tectonic plates collide
- 9. occurs at a Transform Boundary
- 11. center of the Earth
- 13. Liquid center of Earth