Experiments
For parents with curious kids who are looking for a way to make their kitchen extra messy on weekends.
Showing 2 of 7

Winner
Easy30 minHigh mess1 and up
Baking-soda volcano
Vinegar and baking soda make a gas (bubbles) that can push liquid up and out of a glass.
chemistry · Sep 19, 2026

Hard30 minHigh mess1 and up
Salt ice fishing
Salt can melt a little ice into water; that water can freeze again around a string. A thin wire squeezed onto ice melts a path, and the copper carries the refreezing heat down to keep it going; the ice closes up behind.
physics, chemistry · Sep 12, 2026