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Rocks cover the Earth. They make up the crust of the Earth.
There are three types of rock: igneous (melted rock), sedimentary (crushed rock), and metamorphic (changing rock).
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(PreK-1) |
(Grades 2-4) |
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Rocks
- Rocks are made up of two or more kinds of minerals.
Rocks cover the Earth. They make up the crust of the Earth.
There are three types of rock: igneous (melted rock), sedimentary (crushed rock), and metamorphic (changing rock). |
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