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21 Cards in this Set
- Front
- Back
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Minerals |
natural, nonliving solid crystals that make up rocks |
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What are the properties thatscientists useto tell minerals apart? |
a. color b. luster c. hardness d. streak e. cleavage f. crystal shape |
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Luster |
the way the surface of a mineral reflects light |
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Hardness |
how easily the surface of a mineral can be scratched |
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What mineral is the softest? |
Talc |
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What mineral is the hardest? |
Diamond |
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Streak |
the color of the powder that a mineral leaves when it is scratched across a special plate |
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Cleavage |
property of minerals to break along, smooth, flat surfaces |
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Igneous |
rocks that form from molten rock |
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Lava |
the molten rock after it reaches the surface |
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Sedimentary |
rocks formed when layers of sediments settle on top of one another and harden |
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Metamorphic |
rocks that have changed as a result of heat and pressure |
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Rock Cycle |
the recycling of old rock into new |
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Crust |
the outer surface of Earth that is a layer of rock |
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Landform |
a natural land feature on Earth's surface |
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Name the different types of landforms. |
a. mountain b. plains c. plateaus d. peninsulas e. valleys f. canyons |
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Weathering |
a process where rocks in the Earth's crust are slowly broken into smaller pieces |
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Chemical Weathering |
a type of weathering where chemicals cause rocks to change into different materials and break down |
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Physical Weathering |
a type of weathering where rocks are broken into smaller pieces of the same kind of rock |
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Erosion |
the process of carrying away weathered bits of rock |
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Deposition |
the laying down of pieces of rock |
