Pour some milk in a dish (whole milk works best, but honestly, use whatever’s not expired), drop in some food coloring, then touch it with a dish soap-dipped cotton swab. The colors will scatter like ...

Create a colorful tower of liquids that stack on top of each other based on their densities. This experiment demonstrates how different liquids have different densities and why some liquids float ...

Let me be transparent–I’m not going to pretend these kitchen experiments won’t create a mess. They will. There will be vinegar on your floor, food coloring on hands that lasts a day or two, and ...