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 ...

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 ...

In our lives, we tend to encounter matter mainly in three distinct phases—solid, liquid and gases. (Although you ... At the ...