Across
- 4. plates move far away from each other
- 6. force that pulls on the ends of rock causing it to get thinner in the middle
- 7. layer of the core that is mostly liquid
- 8. force that pushes in two opposite horizontal directions
- 10. volcano with wide,gently sloping sides that forms from quiet eruptions
- 12. the study of the earth
- 14. type of rock that forms from sediments
- 15. molten rock below the earths surface
Down
- 1. molten rock is at or above the earths surface
- 2. an opening in a volcano;maybe more than one
- 3. outermost layer of the earth
- 5. igneous rock the forms inside the earth cools slowly which results in larger crystals
- 9. all the water on earth
- 11. fastest seismic wave that can travel through liquids and solids
- 13. type of rock forms from heat and pressure