Across
- 2. dating used for a general time
- 5. index fossils are used for correlation and
- 6. rocks changed because of heat and pressure
- 10. our moon goes through many different
- 12. this type of weathering uses nature and rocks
- 14. earth has major horizons of
- 16. the rector scale measures this
- 17. soil is influenced by five major
- 19. if a rock is dark it has more
- 22. this method is essential for earth science
- 25. caused the craters on the moon
- 28. these rocks form in the earth
- 29. there are over this many properties to a mineral
- 30. says everything started with explosion big
- 31. these units are used to measure many things
Down
- 1. the center of the earthquake
- 3. comes before rock
- 4. a resource that is very precious and needs to be extracted
- 7. is a step in the scientific method
- 8. when minerals scratch something and leave a mark
- 9. your basic sedimentary rock
- 11. will cause how big the explosion of a volcano is
- 13. the major liquid agent of erosion
- 15. a giant volcano formed by a hot spot
- 18. this wave is the final wave to appear
- 20. this rock is formed by many different rocks
- 21. has a major flaw of carbon dating
- 23. the part or aspect of something abstract
- 24. there are this many major plate boundaries
- 26. the blank of the earth helps our atmosphere
- 27. a mine that cant be restored to the original area
- 31. form above two plates colliding