The 3 Rock types Year 8
- Created by: Andy Bridger
- Created on: 01-06-11 11:02
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Igneous: This is formed when magma lava cools after it has poured out a volcano, the size of the crystals in it depend on how quickly it cooled, the faster it cools the smaller the crystals. Granite and Obsidian are examples.
Sedimentary…
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