The arrangement, movement and spacing of particles are different in solids, liquids and gases. Find out more with BBC Bitesize. For students between the ages of 11 and 14.

Learn about solid, liquids and gases with these interactive learning resources for KS2 Science students aged 7-11 from BBC Bitesize.

Teeny-tiny particles For a better understanding of the difference between solids, liquids and gases, we need to look at what they're made of. Scientists discovered that all materials are made of teeny ...

Chapter 1 Matter—Solids, Liquids, and Gases 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 ...