Earth science

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Across
  1. 2. high temperatures deep in the earths crust causes rocks and minerals to melt
  2. 5. rocks from from quickly cooled lava
  3. 7. over time heat and pressure inside the earth squeeze and melt existing rocks
  4. 11. streak is the color of a mineral in powder form
  5. 13. the atoms or ions of a mineral are arranged in a certain pattern
  6. 14. large mineral grains
  7. 15. is the tendency of a mineral to break in a way that is not along a flat surface
  8. 17. magma that reaches to the surface
  9. 18. beneath the oceans/ earth
Down
  1. 1. pieces of rocks, minerals, remains of living things, and dissolved minerals that come out of water
  2. 3. is a rock that has been changed in form by pressure and heat
  3. 4. a mineral may be one color or many color you cannot identify a mineral by color alone
  4. 5. solid earth materials formed from a mixture of minerals and sometimes other materials
  5. 6. new layers of sediment build up over time, pressing down on older layers underneath
  6. 8. is the tendency of a mineral to break along a flat surface
  7. 9. is a ability of a mineral to resist being scratched
  8. 10. hot temperatures deep inside the earth melts rocks, forming magma
  9. 12. formed when magma or lava cools and becomes solid
  10. 16. forms when minerals come out of solution and settle on the ocean floor
  11. 17. this property describes how a mineral reflects light from its surface