Activity
Energy and Entropy of a Stretched Rubber Band Activity
American Chemical Society

Energy and Entropy of a Stretched Rubber Band

For Teachers 9th - 12th Standards
Stephen Perry invented and patented the modern rubber band in 1845. Young scientists put his discovery to work as they use rubber bands to observe entropy and enthalpy. They determine the change in free energy to figure out if it...
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Activity
Science Spot: Identifying Unsafe Lab Practices [Pdf] Activity
Other

Science Spot: Identifying Unsafe Lab Practices [Pdf]

For Teachers 9th - 10th
Students will read a story about the way in which a lab is conducted. They are asked to identify unsafe lab techniques mentioned in the story.
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