September 5

Skeleton Hand

My third grade biologists continued their study of the skeletal system. Our emphasis in this lab was on the bones and joints in the hand. We used Mystery Science, a great online resource, to lead us through the investigation. The bones appear translucent because we painted them with vegetable oil and therefore, our drawings resemble x-rays.


I also shared pictures of prosthetic and robotic hands. I explained engineers use the knowledge they learn in science and math to solve problems. This is an example of a STEAM activity. We aren’t completing the project below, but I challenged my scientists to try it at home.

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