Tuesday, December 12, 2006

Geologist Guest Speaker

On Monday, we had a guest speaker come talk to us about rocks. We learned that there are three types of rock- igneous, metamorphic, and sedimentary. The geologist also compared what we learned about wood to the rocks. For example, the plywood we made is like the sedimentary rocks and the particle board is like the metamorphic rocks. There were some beautiful rocks!

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