Experiments
For parents with curious kids who are looking for a way to make their kitchen extra messy on weekends.
Showing 4 of 7
Cornstarch thickening fluid (Maïzena)
Some mixes feel liquid when you pour slowly and solid when you poke or squeeze hard.
physics, sensory · Sep 26, 2026
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
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
Density Layers
Different liquids stack because some are denser — more mass in the same amount of space. Salt water can hold up an egg. A balsamic drop falls through oil — then the oil it dragged down floats back up.
physics · Sep 5, 2026