Across
- 2. molten rock under the surface of Earth
- 4. the hard outer layer of Earth made of crust and hard, upper mantle; broken into tectonic plates
- 5. the rigid outer layer of Earth
- 7. formed on the exterior of Earth
- 9. the solid layer at the center of the Earth
- 10. formed in the interior of Earth
Down
- 1. molten rock on the surface of Earth
- 2. the layer of Earth below the crust; upper part is solid and lower part is semisolid
- 3. the fluid portion of the mantle that has special properties
- 6. the molten layer at the center of the Earth
- 8. a rock that forms when melted rock (magma or lava) hardens