Across
- 2. instrument that measures air pressure
- 4. layers below are older than layers on top
- 6. boundary where the plates are moving apart
- 7. rock formed from compacted or other rocks
- 10. compression wave
- 11. chem weathering with rounded edges
- 12. downslope movement of rock
- 14. wave that shakes particles perpendicular
- 15. processes have shaped the Earth in past
- 16. plate tectonics to make new ocean floor
Down
- 1. boundary where plates are moving together
- 3. break up of rock by expansion freezing water
- 5. rock formed from crystallization of magma
- 8. location directly above the focus
- 9. rock formed from heat and pressure
- 13. physical disintegration of rock
- 14. the record made by seismograph
- 16. instrument that records seismic eaves