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"Cold" metal and "warm" wood may be the same temperature.
Create a convection cell inside a CD case.
Dark-colored materials absorb and emit energy more readily than light-colored materials.
Make the liquid in this toy rise and fall in a cycle.
Use your breath to make a visible change in an electric circuit.
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Attribution: Exploratorium Teacher Institute
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