Solids, liquids and gases ... The independent variable is changed during the experiment. In each sample, use a different number of spoonfuls of water as the independent variable.

Earlier this week we broke down the complexities of mixed-phase precipitation forecasting.Within that we briefly touched on a key component to that complexity w ...

1. Label your three cups water, alcohol, and oil. 2. Add 1 tablespoon of water, isopropyl alcohol, and oil to its labeled cup. 3. Take three M&Ms of the same color and put one in each cup. 4. Swirl ...