Across
- 2. a tool that records earthquakes
- 4. red-hot melted rock that has erupted from a volcano
- 6. core the layer of earth between the mantle and the inner core
- 8. a fast-moving, powerful wave created after an oceanic earthquake
- 10. when two tectonic plates slide against each other
- 13. a scientist who studies what the earth is made of
Down
- 1. melted rock inside the earth's mantle
- 3. the thickest layer of the earth
- 5. a hill or mountain that forms over a crack in earth's crust from which lava erupts
- 7. a violent shake caused by the collision of two tectonic plates
- 9. the strength of an earthquake
- 11. core the deepest layer of the earth
- 12. the outermost layer of the earth