3 Main Types of Rocks 

Learn all about three main types of rocks.
Igneous rocks are born of fire
Sedimentary rocks can be created from weathering then erosion along with deposition then compaction and cementation. During weathering small bits of rocks are created called clasts.
Metamorphic rocks are created by heat and pressure.
0:00 Rocks Rocks Rocks
0:46 Igneous Rocks
4:22 Metamorphic Rocks
6:06 Sedimentary Rocks
Rock Cycle
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Rock Quiz
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