Please bring in a rock from your backyard on Friday. We will examine them under the microscopes and try to classify them. We will also map out their locations using GIS. So please be able to locate where you found your rock on a map. Try to bring in rocks that are small (around the size of a marble) so we can look at them under a microscope, and try to find rocks that are naturally occurring rather than imported ornamental rocks. If you can't find one in your yard then try looking in a park near your house.
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