Solids, liquids and gases
Solids, liquids and gases
The arrangement, movement and spacing of particles are different in solids, liquids and gases. Find out more with 成人快手 Bitesize. For students between the ages of 11 and 14.
Changes of state
To change the state of a substance, energy must be transferred to or from the substance. Find out more with 成人快手 Bitesize. For students between the ages of 11 and 14.
Pressure in fluids
Liquids and gases are both fluids. Fluids can flow or be poured, because the particles in them are able to move around freely and can change positions.
Densities of solids, liquids and gases
The density of an object is calculated by dividing the mass by the volume. Find out more with 成人快手 Bitesize. For students between the ages of 11 and 14.