| 1. |
A property of minerals that is used to describe how a mineral reflects light.
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| 2. |
The process in which rocks are broken down into smaller pieces by ice, water, the wind, changes in temperature, plants, animals, or by chemicals.
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| 3. |
A nonliving, solid material that was formed in nature and has particles arranged in a repeating pattern.
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| 4. |
The resistance a mineral has to being scratched.
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| 5. |
A type of rock that forms at Earth's surface. This rock may form from material that has been squeezed together or it may form from the material that is left after the evaporation of water.
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| 6. |
Rock formed by the cooling of molten magma or from lava.
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| 7. |
A scientist who studies the earth.
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| 8. |
When a mineral is ground into powder, this is the color of the powder. Sometimes this powder is not the same color as the original mineral.
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| 9. |
A metamorphic rock that has visible layers or bands.
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| 10. |
Rock made of bits of sedimentary material that was compacted in layers.
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| 11. |
How a mineral breaks apart when a tool, such as a hammer, is used to break it. A mineral that exhibits this will break into smooth pieces.
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| 12. |
Particles arranged in a repeating pattern. Most minerals are made up of these.
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| 13. |
The formation of large rocks from particles of sediment that occurs as pressure is applied.
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| 14. |
A type of physical weathering in which rocks are gradually worn down.
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| 15. |
A hard material that is made up of one or more minerals.
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| 16. |
A metamorphic rock that does not appear to be layered.
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| 17. |
The process in which magma cools and hardens into rock.
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| 18. |
Packed down, as in sediment that becomes rock.
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| 19. |
The changing and evolution of rocks from one type of rock to another that takes place over time.
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| 20. |
The process in which moving sedimentary material slows down, or from ice that melts.
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| 21. |
A rock that is formed by adding heat, pressure, or chemicals to another rock.
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| 22. |
the science that studies earthquakes and their causes
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