Experiments

Filter by age, domain, mess, or status. Idea and draft cards are shorter; tested and winner guides are ready for a Saturday morning.

Showing 3 of 3

Winner10 minMedium mess

Cinnamon soap rush

Soap can break the “skin” on water so floating powder suddenly rushes away.

Ages 1-2, 3-5 · physics, sensory

Tested at home15 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

Featured

Tested at home60 minHigh mess

Density Layers

Different liquids stack because some are denser (heavier for their size). Salt water can lift an egg; balsamic drops through oil can sink, then rise again when an oily coat breaks.

Ages 3-5 · physics