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Rocks Rock

Rock Slide Show
Learn the Rock Song
Rock Cycle
Sedimentary Rocks
Igneous Rocks
Metamorphic Rocks
Fun sayings and Jokes
Rock Quiz
Web Site References
Igneous Rocks
Click on the link above to find out more about igneous rocks.  When you are done looking at that click on the blue links below to find out some definitions of words.

The oldest type of all rocks is the igneous rock (IG nee us). The word "igneous" comes from a Greek word for fire. Deep inside the earth, the temperature is very high and the minerals there are in liquid form called magma. As the magma pushes towards the earth's surface, it starts to cool and turns into solid igneous rock.

All igneous rocks do not cool the same way. That is why they do not look all the same. Some cool slowly, deep under the earth's surface. These are called intrusive igneous rocks. The slow cooling formed rocks with large crystals. Granite is an example of a rock that cooled slowly and has large crystals.