rock and mineral test

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rock and mineral test
2011-02-08 17:36:21
Mrs Marriot

test on wednesday
Show Answers:

  1. what is a rock?
    rocks are any hard part of earth and can be a mixture or a substance.
  2. what is a mineral?
    minerals are a naturally occuring substance from earth. minerals have a chemical formula and are never a mixture.
  3. what is a sedimentary rock?
    sedimentary rocks have formed from peices of rocks cemented together.
  4. what is a igneous rock?
    igneous rocks are rocks that have been melted and cooled.
  5. what is a metamorphic rock?
    metamorphic rocks are rocks that have been changed by heat and pressure.
  6. what do mineral test to identify rocks include?
    mineral tests that identify rocks include hardness, reaction with acid, streak, color and fracture.
  7. what are the uses of quartz?
    Quartz is used in the making of sandpaper, optics, glass, liquid filters, circuit boards, computer components, cement , mortar, and jewelry.
  8. what are the uses of calcite?
    The uses for calcite are, medicine, toothpaste, bldng. materials ( hard water deposit, ancient sea beds.)
  9. what are the uses of halite?
    Halite is a non-metallic mineral that has uses that include table salt and road salt. It can also be used in water softeners and as a preservative. It also is used for sodium ore.
  10. what are the uses of galena?
    Galena is used as the most important ore of lead.
  11. what are the uses of sulfur?
    Sulfur is used in the production of sulfuric acid, matchmaking, explosives, fungicides, insecticides, tire making, agriculture, and medicine.