Although the three states of matter are solid, liquid, and gas, not all substances seem to fit perfectly into one of these groups. Take a look at the substance below and see if you can decide whether ...

Solids, liquids and gases. In a solid like this brick ... The control variable is kept the same during the experiment. As the control variable, in both samples, use the same number of spoonfuls ...

Available April 29th, in next week’s episode we will use everyday materials to explore the physical properties of solids and liquids ... For more fun experiments, check back on Tuesdays ...

Heating a substance makes its atoms and molecules move faster. This happens whether the substance is a solid, a liquid, or a gas. It’s not easy to see it happen in a solid but let’s try it for a ...