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ROCKS & MINERALS-Multiple Choice

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  • A mixture of different minerals, volcanic glass, organic matter and other materials.
    neutrons
    lava
    Rocks
  • Rocks formed when sand, dead plants, shells or other organic matter stick together to like glue.
    Igneous rock
    magnesium
    sedimentary rock
  • Rocks buried deep with the earth that change because of heat and pressure
    erosion
    metamorphic
    gold
  • the name of the scale used to determine a mineral's hardness
    Mohs Scale of Hardness
    Bathroom Scale
    Spring Scale
  • A nonliving solid substance that can be described by a chemical formula
    inorganic
    cleavage
    fracture
  • the way a mineral's surface reflects light
    streak
    hardness
    luster
  • The chalky line left behind when you rub or scrape a mineral against a tile.
    streak
    luster
    compression
  • The ability to resist scratching
    hardness
    fracture
    streak
  • Color, luster, streak, hardness, cleavage, and fracture are __ __ that help scientists identify rocks and minerals
    human properties
    physical properties
    chemical properties
  • Stress that squeezes rocks together and causes them to fold or fracture.
    erosion
    melting
    compression
  • Not man-made; occurs in nature, and our supply is limited (we can run out of it)
    natural resource
    volcanic glass
    cleavage/fracture
  • The tendency of a mineral to break into flat sheets.
    cleavage
    streak
    hardness
  • a solid piece of matter with particles arranged in a repeating pattern called a crystal
    mineral
    magnet
    electron
  • Which mineral is the hardest of all?
    copper
    talc
    diamond
  • Rocks formed from hot lava that cools and hardens
    diamonds
    iron
    Igneous rocks
  • The hardest mineral in the world
    diamond
    pine
    talc
  • The tendency of a mineral to break into jagged, rough, smaller pieces.
    hardness
    fracture
    luster
  • Location of the first gold rush in America
    South Carolina
    California
    North Carolina
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