Minerals & Natural Resources

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Across
  1. 1. coal is used to produce this essential resource
  2. 5. atom that gains or loses electrons
  3. 6. heat from Earth's interior can be used to power turbines and generate electricity
  4. 8. biotite, muscovite, and gypsum selenite cleave in ___
  5. 9. a mineral will always be made of the same ratio of elements
  6. 13. mineral that can scratch glass and comes in many colors
  7. 17. calcite cleaves in ___ directions
  8. 19. nonrenewable fossil fuel made from decayed plant matter millions of years ago
  9. 20. element with seven valence electrons on its 3rd level
  10. 22. how a mineral reflects light
  11. 24. corn and soybean can be grown and made into these
  12. 26. softest vitreous mineral that doesn't cleave
  13. 29. element with one valence electron on its 3rd level
  14. 32. sodium becomes this after losing a valence electron
  15. 34. minerals do not contain living material
  16. 36. sparkly metallic mineral with some iron
  17. 38. chlorine becomes this after gaining a valence electron
  18. 39. limitless resource (ex: wind, sunlight, water)
  19. 41. resource with a limited supply (ex: iron, coal, gold)
  20. 42. when one neutron causes repeated fission
  21. 44. softest metallic mineral
  22. 46. the least reliable mineral property
  23. 47. some metallic minerals posses this miscellaneous property
  24. 48. ore forming in aquatic environment when Earth had little/no oxygen; mined in Michigan's UP
  25. 49. the powder left by scratching a mineral
  26. 50. forms when electrons flow continuously between atoms
  27. 52. formed in a tropical shallow marine environment; mined underground in Michigan
  28. 53. atomic particle carrying both positive and negative charges
  29. 54. used in nuclear power plants to speed up or slow down reactions
Down
  1. 2. galena and halite cleave in ____ directions
  2. 3. feldspars (potassium & plagioclase) cleave in _____
  3. 4. nuclear process where uranium atoms are split by neutrons
  4. 7. air moving from HIGH to LOW pressure cause this renewable resource we can use to generate electricity
  5. 10. negatively charged atomic particle
  6. 11. nonrenewable fossil fuel made from dead sea organisms millions of years ago
  7. 12. sunlight hits silicon minerals in a solar panel
  8. 14. electrons found along the outer shell of an atom
  9. 15. forms when one atom gains and one loses electrons
  10. 16. minerals forming without human interference
  11. 18. nonrenewable ore used to fuel nuclear power plants
  12. 21. hard metallic mineral full of iron; doesn't cleave
  13. 23. soft earthy/vitreous mineral with a distinct odor
  14. 25. calcite possesses this miscellaneous property
  15. 27. how a mineral cleanly breaks along a planar (flat) surface
  16. 28. only "fools" confuse this mineral for gold
  17. 29. sunlight causes air or water to warm and become useful
  18. 30. forms when atoms share electrons
  19. 31. minerals that don't cleave may break this way
  20. 33. to find the number of electron levels, look along these in a periodic table
  21. 35. to find the number of valence electrons, look along these in a periodic table
  22. 37. formed when glaciers eroded rock in Michigan; surface mined EVERYWHERE in Michigan
  23. 40. minerals have a regular repeating pattern
  24. 42. ore forming from cooling magma; found in Michigan's upper peninsula
  25. 43. the resistance of a mineral
  26. 45. positively charged particle
  27. 51. nonrenewable fossil fuel used to heat your furnace (and some stoves)