Using an advanced imaging technique, engineers got a glimpse of water being formed at the smallest scale ever.

Young children in the playground behave like molecules in a gas, but kids undergo a phase change in a more structured setting ...

A molecule of a gas, according to this theory ... an intense force is acting between the two molecules, and producing changes in the motion of both. During the time of describing its free path ...

Throughout the ice cream there are very tiny ice crystals. The gas molecules from the soda gather on these tiny crystals and become bubbles of gas. If the ice is already wet, some of the points are ...

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 ...

Particles - molecules and ions - in a liquid and a gas are continuously moving. Because of this movement, particles will spread themselves evenly throughout a liquid or a gas.