Across
- 1. this type of ridge is a mountain chain on the ocean floor
- 5. theory that earth's crust is made up of large sections that move
- 7. single landmassfrom which the continents separated
- 8. deep crack in the ocean floor
- 9. these type of currents have circular motions of gas or liquid as it heats
- 10. the inner most layer of the Earth, it is solid because of the pressure
Down
- 2. this layer is mostly liquid and around 2200km thick
- 3. last name of the person the came up with the theory of Pangea
- 4. large section of Earth's crust that moves
- 6. the layer of Earth that surrounds the core
- 11. the top layer of the Earth