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 | Carolina Biological Supply Company | | |  | |  |  Grades 10–12
Submitted by Patricia A. Joseph, Bridgeport High School, Bridgeport, Ohio
When we are studying forensics, I have each student make a “case file.” In the file, the student places his or her hair sample (mounted on a slide), footprint (made on black paper with baby powder), fingerprint, writing sample, and “DNA analysis.” (For the DNA analysis, I read from a list of characteristics and each student answers on notebook paper with a black line for every characteristic that matches him or her. In the end it looks like a print from a DNA electrophoresis gel.) I then give each student another student’s case file. Students have to figure out who has who by only looking at the evidence given to them in the files. Some of the evidence is missing—as it would be in a real crime case.
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|  |  Painted lady butterflies are appropriate for all grade levels but are especially effective for grades K–8. Get some great ideas for using these colorful creatures in your classroom to explore many life science topics.
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|  |  Frogs are excellent organisms for studies involving animal development, physiology, anatomy, and behavior. Here are some tips for introducing your students to the external and internal anatomy of this popular amphibian.
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