Soil
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What are hard pieces of the earth's surface | Rocks
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| How are rocks classified? | form
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| What is an opening in the earth that allows the hot, melted rock inside to come to the surface ? | volcano
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| What is any part or mark of a living thing that is naturally preserved after it dies? | fossil
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| What are solid materials in nature that were never alive? | minerals
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| What are minerals identified by? | hardness, crystal shape, color and streak
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| The surface of the earth is always ___. | changing
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| The breaking down of rocks is called ___. | weathering
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| _____ are the remains of living things that have died and decayed | Humus
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| What is the layer that is solid, unbroken rock? | Bedrock
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| What is the second layer of soil that does not contain humus? | Subsoil
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| What is the layer of soil where plants grow and contains humus? | Topsoil
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| What forms when layers of sediment are pressed together and harden? | Sedimentary rock
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| What forms when hot, melted rock cools? | Igneous rock
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| What forms when igneous or sedimentary rocks are changed by great heat and pressure? | Metamorphic rock
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Created by:
msantis
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