| http://www.w3.org/ns/prov#value | - This is so fun and is exactly what I want to do to teach them the different types of rocks, but I only have about 40 minutes each day for science. :(ReplyDeleteAnonymousFebruary 8, 2014 at 9:50 PMgreat! used it for my science fair project and i came 2nd!ReplyDeleteAnonymousFebruary 23, 2014 at 11:38 AMGreat project!
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