Across
- 2. A section of the Earth's crust and upper mantle
- 4. The thinnest and coolest layer of the Earth, on which we currently live
- 6. Plate ____________: the theory that the Earth's crust and part of the upper mantle are broken into parts, called plates, that move on top of the mantle
- 9. Molten material that has come out of a volcano
- 11. The thickest layer of the Earth, it sits below the crust contains the layer known as the lithosphere
- 12. The sudden shaking of the ground along a fault that is the result of movement within the Earth's crust
- 13. When a denser, heavier oceanic plate slips below a lighter continental plate, it is called ___________
Down
- 1. The name of the landmass that existed when all continents were joined as one
- 3. The layer of the Earth that consist of the crust and the upper mantle, it is responsible for the movement of the plates
- 4. Inner ___________ the inner most layer of the Earth where temperatures are about as hot as the surface of the sun
- 5. Seafloor ______________: the theory that continents are moving apart due to the movement of heat and less dense material along faults in the oceans/seas creating mid-ocean ridges and other under water features.
- 7. ________________ currents: the cycle of heating, rising, cooling and sinking which propels plate movement
- 8. Molten material inside the Earth
- 10. Continental ___________: the hypothesis that states that the continents have moved slowly to their current locations