How sensitive is our skin to touch? Are all parts of our skin equally sensitive? The sensitivity can be easily measured using Von Frey Hairs. Once assembled (directions included) they can be reused for years.
Assorted thicknesses of fishing line; craft sticks or index cards; tape
About 20–30 minutes, longer with included writing assignment
Assemble the Von Frey hairs (kids can do this)
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Yes! Plus extensive teacher notes address the many questions that come up. You shouldn’t have to do outside research on this topic unless you want to. Specific charts and graphic organizers have keys.
Middle School Students, Ages 11-14
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