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Hi! We are the kids of the Rock Cycle Society, and we will be sharing with you the differences between the rocks the adults showed you. First off, an igneous rock!
We found a sedimentary rock here at the beach! It was because of the waves that weathered this cluster of them.
We found a couple of cool metamorphic rocks in these mountains!
An igneous rock is the only rock that cools from the intense hot liquid, magma. It often has a grainy looking texture but has a glassy like surface because of the cooling & crystallization process it went through. A couple examples of this rock include obsidian, basalt, granite, gabbro, and rhyolite.
Like the igneous rock, a sedimentary rock has many cool features. It is the most likely to contain fossils inside because of the weathering and erosion that takes place while transforming the sediment into the rock. Some examples of sedimentary rocks are shale, limestone, sandstone, and conglomerate.
Unlike any other of these rocks, metamorphic rocks are made up of igneous and sedimentary rocks. They become metamorphic rocks when heat & pressure takes place. Intense heat is applied, then other rocks push and push the rocks into each other and finally becomes a new metamorphic rock. Some examples of this rock are soapstone, hornfels, and schist.
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