Get the Point(s)

Do all areas of your skin have the same sensitivity to touch? Playing with the sense of touch, this experiment has scholars guessing how many pin heads gently touch their arm and hand. In the second part, pupils answer questions about their experience and then design a device to better test the brain's sensory functions.

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CCSS: Adaptable
Additional Tags
Instructional Ideas
  • Test an additional, accessible, body part such as the elbow or neck
Classroom Considerations
  • Uses common items like a pink eraser and stick pins
  • Exactly two young scientists work together at a time
  • This resource is only available on an unencrypted HTTP website. It should be fine for general use, but don’t use it to share any personally identifiable information
Pros
  • Takes very little class time
  • Provides links to learn more about related sensory system topics
Cons
  • None
Common Core