Across
- 1. a scale to find the magnitude of a earth quake
- 4. made of iron and nickel
- 7. two plates that move away from each other
- 10. what causes tsunamis to occur
- 11. the layer of liquid iron and nickel
Down
- 2. two plates that slide past each other
- 3. two plate that move toward each other
- 5. a instrument used to detect quakes too small for humans
- 6. when one plate pushes down another plate making a v shape form under water
- 8. a layer of hot magma under the crust
- 9. a thin layer of solid rock under our feet