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24 Cards in this Set
- Front
- Back
metamorphic |
formed from heat & pressure |
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Igneous |
type of rock formed from when magma cools |
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Sedimentary |
layered rocks pressed together over time formed from weathering & erosion |
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Gemologist |
person who studies gems |
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Crop rotation |
When you change crops every other year. Discovered by Charles Townsend |
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The Rock Cycle |
When rocks change into different rocks (igneous, metamorphic, sedimentary) |
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Hyrdoponics |
method for growing plants without soil |
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What are the 5 features of a mineral? |
1) solid 2) inorganic 3) natural 4) made up of atoms 5) have specific chemical composition |
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What is a mineral used in pencils? |
graphite |
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What is a rock commonly used for counter tops? |
granite |
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What is the strongest gem? |
diamond |
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What is the softest gem? |
talc |
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What is halite also known as? |
salt |
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What is soil made up of the smallest particles called? |
Clay |
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What is George Carver famous for? |
300 ways to use peanuts & his work with agriculture |
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What are some techniques used to conserve soil? |
- using worms - plant bushes to block wind - using rocks |
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What does it mean to break down organic matter to become part of the soil? |
Decompose |
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What type of rock is sandstone? |
Sedimentary |
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What type of rock is granite? |
Igneous |
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What type of rock is limestone? |
Sedimentary |
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What type of rock is quartzite? |
Metamorphic |
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What type of rock is pumice? |
Igneous |
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What type of rock is slate? |
Metamorphic |
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What type of rock is basalt? |
Igneous |