Across
- 2. process that breaks down rock into smaller pieces
- 6. rock that has been changed by heat and pressure
- 7. rock that forms from the cooling of magma or lava
- 9. bedded sedimentary depositions made of calcium carbonate
- 10. coated with cement, fill ith cement
- 12. transparent minerals
- 15. a natural substance of commercial value
- 17. melted rock above the earths surface
- 18. series of events through which a rock changes
- 20. crushed into compact form
- 23. the process by which ice, wind, or gravity moves weatered rocks or soil
- 24. the central innermost layer of the earth
Down
- 1. rock that forms when sediments are compacted together
- 3. process in which sediment is laid down in a new location
- 4. to cause or become diffrent
- 5. small pieces of weathered rock such as gravel, sand, or pebbles
- 8. natural underground space large enough for a human to enter
- 11. third planet from the sun
- 13. the interior of the earth
- 14. vent in the earths crust which melted rock is ejected
- 15. melted rock below the earths surface
- 16. a solid mixture of crystals of one or more made minerals
- 19. study of physical nature and history of the earth
- 21. tool, object, man made object
- 22. the outer most solid shell of a rocky planet