Across
- 3. what is the shaking of the earths surface called?
- 7. the process where one tectonic plate slices beneath another into the mantle
- 9. what is the instrument used to detect and measure earthquakes?
- 11. what is it called when molten rock, ash, and, and gases erupt from a volcano?
- 13. what is the term for the boundary where two tectonic plates move away from each other?
- 15. what is the scale used to measure the magnitude of an earthquake?
- 17. what is the term for the sudden movement of tectonic plates that causes an earthquake?
- 18. what is the name of a break in the earths crust where earthquakes appear?
- 19. what is the name for the process where the earths crust if lifted to form mountains?
- 20. what is the term for the molten rock beneath the earths surface?
Down
- 1. what is the outermost layer of the earths surface where we live?
- 2. what is the term for the waves that travel through the earth during an earthquake?
- 4. what is the name of the giant moving pieces of the earths lithosphere?
- 5. what is the term for tectonic plates sliding past eachother horizontally?
- 6. what is the term for the measurement of the size of an earthquake based on the amount of energy released?
- 8. what is the term for a giant wave caused by an underground earthquake?
- 10. the point beneath the earths surface where an earthquake originates
- 12. what is the term for a sudden release of energy in the earths crust that causes an earthquake?
- 14. what is the term for the process of measuring and recording seismic waves?
- 16. what can earthquakes and tectonic plates shifting create?