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5 Cards in this Set
- Front
- Back
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Definition of rock |
A rock is a solid made up of different minerals. Rocks are not uniform and cannot be described by neat chemical citemos. |
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Types of rock |
1. Metamorphic rocks 2. Igneous rocks 3. Sedimentary rocks |
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Metamorphic rocks |
1. Are formed by heart and pressure 2. They are made from other types of rocks 3. Examples : marble, soapstone |
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Igneous rocks |
Igneous rocks are formed by volcanos. Molten rocks (magma, lava) cool down and harden. Hardened magma is called igneous rock. Examples : basalt, granite |
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Rock cycle |
1. Igneous rock is broken down to 2. Sedimentary rock, which sinks into the core of the earth and becomes 3. Metamorphic rock, which eventually bursts from a volcano and starts the cycle over again as igneous rich |
