Across
- 3. a spot in earths mantle were hot magma rises to the surface
- 6. ground vibrations caused by earths crust moving
- 7. a device used to measure earths seismic waves
- 11. a theory stating that all the continents drifted apart
- 12. a type of boundary between two plates moving away from each other
Down
- 1. a break in earths crust
- 2. a piece of earths crust that moves atop the mantle
- 4. an ancient super continent that contained all of earths landmass
- 5. a type of boundary between two plates that slide past each other
- 8. were one plate sinks below another plate
- 9. energy waves traveling out from an earthquake
- 10. a type of boundary between two colliding plates