Across
- 2. large celestial bodies
- 4. deposit from with we extract heavy rocks
- 6. determined by mineral's mass and volume
- 8. the sun was formed from this
- 11. created with quartz found in sand
- 12. rocks that originated from sediments and are used as fossil fuels
- 14. an ore of uranium
- 16. mass made up of lots of smaller things
- 19. deposit from which we extract minerals
- 20. the solid layer of our planet
- 23. formed by the remains of other rocks
- 24. color of dust from crushing a mineral
- 26. rocks formed when magma cools down inside the earth's crust
- 27. consisting of many different kinds of things
- 29. consisting of things that are all the same
- 31. valueless mineral
- 32. mixture of cement, water, sand and gravel
- 33. used to make plaster, fertilizer, and explosives
Down
- 1. a type of gem
- 3. mineral that may be different colors
- 5. type of rock
- 7. rocks formed when magma comes out of the earth's crust as lava
- 9. property describing how a mineral reflects light
- 10. layer in the geosphere
- 13. crust between 10 and 70 km thick
- 15. relates to the size and arrangement of the minerals inside the rock
- 17. determined by the minerals which form the rock
- 18. a classification of metamorphic rocks
- 21. the layer of earth where life exists
- 22. minerals that contain metals that may be extracted
- 25. wide at the top and narrow at the bottom
- 28. minerals that are very valuable
- 30. solid, inorganic, naturally-occurring substances