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

Density of solids, liquids and gases The difference between the densities of solids, liquids and gases is due to the distance between the particles in each state of matter.

We all know from middle school science class that matter changes between a solid, a liquid, and a gas when you change the temperature or pressure acting on it. (Yes, some elements will change ...

The four fundamental states of matter are solid, liquid, gas and plasma, but there others, such as Bose-Einstein condensates and time crystals, that are man-made.