Across
- 3. rocky body that orbit in a region in the solar system known as the asteroid belt
- 4. hard-shelled animal whose body had three sections
- 5. two plates slide past each other
- 7. forces that cause rocks on either side of faults to push in opposite directions
- 10. crust and top of mantle
- 13. instrument that records and measures seismic waves
- 14. mineral that is mined because they contain useful metals or nonmetals
- 17. chunk of rock that strikes the surface of a planet or moon
- 19. forms when rocks are changed into different kinds of rocks by heat and pressure
- 20. two plates come together and collide
- 21. use symbols to protray the land as if viewed from above
- 22. trait or behavior that helps organisms survive
- 24. the age of one object compared to the age of another object
- 26. come from the remains of living things
- 27. chunk of rock that burns up in a planet's atmosphere
Down
- 1. divided into epochs
- 2. forms when a mold is filled with sand or mud and hardens into the shape of the organism
- 6. top portion of the mantle
- 8. forms when molten rock (magma) cools and hardens
- 9. states that each rock layer is older than the one above it
- 11. divided into periods
- 12. two plates are moving apart
- 15. point on Earth's surface directly above where the energy is released in an earthquake
- 16. forms from the compaction and/or cementation of sediments
- 18. gives important information about past life and environments on Earth
- 20. forces that push or squeeze rocks together
- 23. huge,looping eruptions of gas
- 25. forces that pull rocks apart