Science Mineral Vocab

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Author:
jsn_man
ID:
34808
Filename:
Science Mineral Vocab
Updated:
2010-09-14 22:19:15
Tags:
Mineral Vocab 7th Grade
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Description:
Mineral Vocab for 7th Grade.
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  1. Luster
    Describes the way a mineral reflects light from its surface; can be metallic or nonmetallic.
  2. Density
    A property of matter representing the mass per unit volume.
  3. Hardness
    The measure of how easily a miner can be scratched.
  4. Ore
    A rock that contains enough of a valuable mineral to be mined for a profit.
  5. Cleavage
    The physical property of some minerals that causes them to break along smooth, flat surfaces.
  6. Fracture
    The physical property of some minerals that causes them to break with uneven, rough, or jagged surfaces.
  7. Mineral
    A naturally occurring inorganic solid that has a definite chemical composition and an orderly internal atomic structure.
  8. Streak
    The color of a mineral when it is in powder form.
  9. Crystal
    A solid substance in which the atoms are arranged in an orderly, repeating, three-dimentional pattern.
  10. Element
    A substance that cannot be broken down into a simpler substance by ordinary chemical changes.

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