Substance abuse in pregnancy

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Abstract
In this classroom activity, middle school students examine the wide-ranging sizes of dinosaurs. The activity opens with background information about the enormous range of dinosaur sizes and a classroom discussion in which students describe the size of some of the dinosaurs they know. Then, working from gridded drawings which are provided, students create either a life-size drawing of a Tyrannosaurus rex head or a life-size drawing of a complete Protoceratops. Educational levels: Middle school