Experiments
For parents with curious kids who are looking for a way to make their kitchen extra messy on weekends.
Showing 3 of 4

Winner
Easy60 minHigh mess
Density Layers
Different liquids stack because some are denser — more mass in the same amount of space. Salt water can hold up an egg. Balsamic can fall through oil and then climb.
Ages 3-5 · physics · Sep 5, 2026

Easy15 minHigh mess
Cornstarch thickening fluid (Maïzena)
Some mixes feel liquid when you pour slowly and solid when you poke or squeeze hard.
Ages 1-2, 3-5 · physics, sensory

Hard30 minHigh mess
Salt ice fishing
Salt can melt a little ice into water; that water can freeze again around a string. Pressure from a thin wire can also melt ice for a moment, then it freezes again.
Ages 3-5 · physics, chemistry · Sep 12, 2026