Across
- 3. a surge of energy traveling out from an earthquake’s source through the earth (seismic waves) (13)
- 5. red-hot melted rock that has erupted above Earth’s crust from deep underground (17)
- 6. a theory that Earth’s crust and the solid top part of the mantle are broken up into sections that fit together but move against each other (17)
- 8. a large area in the earth that is lower than the area around it (basins) (17)
- 10. an explanation for why something happens based on evidence (17)
Down
- 1. a narrow, extremely deep valley formed when the seafloor dips down as one tectonic plate slides under another (ocean trenches) (17)
- 2. heavy, dense rock formed from cooled, hardened lava (16)
- 4. to cause a force to be felt or have an effect (exerts) (19)
- 7. melted rock in Earth’s mantle (17)
- 9. the weight or force produced when something presses or pushes against something else (15)