DIY Eggshell Geodes

DIY Eggshell Geodes

Geodes, seemingly ordinary rocks hiding pockets of crystals inside, have fascinated amateur geologists for centuries, but did you know you can make your own geodes with just what’s in your kitchen? Materials: Eggs Something to hold the eggs (a piece of the carton works well for this) Water-soluble solid (salt, sugar, baking soda, etc.) Food

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DIY Batteries

DIY Batteries

Batteries harness energy from the motion of electrons. How do we get electrons going? Chemistry! Most batteries use a simple oxidation-reduction (or redox) reaction to get electric charges moving. In a redox reaction, one material gives electrons to another. We call the donor the anode and the recipient the cathode. Strategic separation of the anode

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