Everything that has mass is matter. In normal everyday life we come across matter in three states, solid, liquid and gas. They have a fixed shape and cannot flow The particles cannot move from ...

Look at the shaving cream. Would you call it a solid, liquid, or a gas? Why? One characteristic of a solid is that it keeps its shape without being in a container. Does this make the shaving cream a ...

Solids have their own defined shape that won’t change without an external force being applied. Liquids have a defined volume but will flow into containers and take on their shape. Gases ...

A supersolid is a special type of matter that flows like a liquid but has a solid-like structure. Until now, scientists had only seen this state in extremely cold gases. This new experiment proves ...

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.