You probably learned in school that there are three states of matter: solid, liquid and gas. Think ice cube, a puddle of water and fog. Maybe you also learned about a fourth state, known as plasma ...

Students are introduced to the idea that matter is composed of atoms and molecules that are ... molecules as they experiment with and observe the heating and cooling of a solid, liquid, and gas.

Examples of solids include ice, wood and sand. Liquids can flow or be poured easily. They are not easy to hold. Liquids change their shape depending on the container they are in. Even when liquids ...

Is Ranch Dressing a Liquid or a Solid? Imagine you’re sitting down for dinner. You pick up a bottle of ranch dressing, flip it upside down, and expect it to pour onto your plate. But nothing happens.

Soft matter can have properties of both liquids and solids, so materials scientists say it is viscoelastic – a combination of viscous and elastic. Other common examples of soft matter include ...

changing from a solid to a liquid, for example. This basic model is, however, just that: there are many, many more states of matter out there that it doesn’t capture. The next most familiar is ...