Gently press a few slightly-spread fingertips into a friend's back, without telling them how many fingers you are using.
Ask them how many fingers you're using, and chances are they will get it wrong.
Why is that? Grab a willing volunteer and we'll find out...
Ask them how many fingers you're using, and chances are they will get it wrong.
Why is that? Grab a willing volunteer and we'll find out...
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Squeeze your earlobe. Squeeze it hard. That doesnt really hurt, does it? Now try squeezing just as hard at the top of your ear ... ouch!
The nerves in your skin are spread out differently in different parts of your body. This activity will show you just how differently.
You need a volunteer who is not too easily embarrassed (if they are feeling really cooperative, they could be wearing shorts & tee-shirt to expose as much polite skin as possible), two full-size pencils, an elastic band, a ruler, and an outline of a body. Any simple silhouette will do, as long as you can write on and around it.
The nerves in your skin are spread out differently in different parts of your body. This activity will show you just how differently.
You need a volunteer who is not too easily embarrassed (if they are feeling really cooperative, they could be wearing shorts & tee-shirt to expose as much polite skin as possible), two full-size pencils, an elastic band, a ruler, and an outline of a body. Any simple silhouette will do, as long as you can write on and around it.
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