Tuesday, December 15, 2009

My Favorite Topic

1.) My favorite topic we learned this year was Index Fossils. 2.)An Index Fossil is a fossil that can be used to give the age of a rock. It includes: Radio-activity, half-life, Radiometric dating, Radiocarbon dating, and more. 3.)Ha-ha funny Mr. Dunn, but I like this topic because it had a little math in it. I love math and anything that deals with math, I most likely like! Another reason is because I think it is amazing how scientist can figure out so much from a fossil just by knowing where it came from and etc.

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