Across
- 3. study how rocks are formed
- 5. igneous rock that forms underground
- 8. igneous rock; forms on the earths surface
- 9. made from remains of living things
- 10. formed from other pieces of rock
- 12. course grained rock used in construction
- 14. basic shape a mineral tends to take
- 17. organic rock
- 19. made mainly from fragments of other rocks
- 21. made of rounded pebbles cemented together
- 23. sand, soil, pebbles that have settled
- 24. one factor that can cause rocks to change
Down
- 1. glassy textured igneous rock
- 2. metamorphic rock w/out visible bands
- 4. one factor that can cause rocks to change
- 6. cooled and hardened melted minerals
- 7. liquid rock inside the earth
- 11. rock that has changed
- 13. fine particles of clay, mica and more
- 15. shows how one rock can turn into another
- 16. example of a sedimentary rock
- 18. magma that has surfaced the earth
- 20. rocks with visible bands
- 22. size of crystals in an igneous rock