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Simple Science: Taking Temperatures
The innovative resource investigates endothermy and ectothermy. Students compare body temperature of a snake and rat before and after exposure under a heat lamp. The activity has an interactive online version and a printable data sheet.
University of Pittsburgh
University of Pittsburgh: Mythology Electronic Texts
This is a handy site from the University of Pittsburgh for making comparisons in the folklore of different cultures. It is organized by themes. For instance, you could scroll down to the theme "Man and Serpent," click on that and read...