Solids, liquids and gases. In a solid like this brick ... Scientists use models to show things that are too small to see, like atoms or cells. Sometimes they use models of things which are ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

Scientists have transformed light into a supersolid, a breakthrough merging solid and liquid properties in quantum physics.

Ranch dressing is actually a fifth state of matter known as soft matter. Soft matter can have properties of both liquids and ...

Students explore the attractions and motion of atoms and molecules as they experiment with and observe the heating and cooling of a solid, liquid, and gas.

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.