Welcome to our online science lab where you can learn about the states of matter by interacting with the activity ... and the change is reversible. The particles in solids, liquids and gases ...

The behaviour of the tiny particles in each case helps explain the properties of each state of matter at the everyday scale. Freezing, boiling, condensing and other changes of state can also be ...

But what do you know about the fourth state of matter- plasma? Plasma is sort of a gas, but it has tiny particles that have an electrical charge. Plasma happens when gas gets heated to a very high ...