Solids, liquids and gases. In a solid like this brick, the particles are regularly arranged touching their neighbours and move only by vibrating. This explains why solids have a fixed shape.

Students are introduced to the idea that matter is composed of atoms and molecules that are attracted to each other and in constant motion. Students explore the attractions and motion of atoms and ...

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

solids have particles fixed tightly together in rows so they can’t move. In liquids, the particles are touching but are free to move around each other like balls in a ball pool. In a gas ...

Does it feel like a solid, liquid, or gas? Leave the shaving cream blob out overnight ... Do you notice a difference in how the mixture feels? The cornstarch particles do not dissolve, but are ...