Across
- 3. cool lava will do this action
- 5. means to move away
- 8. hot lava will do this action
- 9. the layers where convection currents are
Down
- 1. the layer that moves
- 2. means to move together
- 4. materials in the middle mantle
- 6. means to slide
- 7. convection currents moves in this shape