The state of matter is a deceptively simple concept. It turns out that any material, no matter what it is made of, can exist in one of three forms: solid, liquid or gas. These are categories of ...

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 ...

Step into our online science lab and learn more about states of matter. Interact with the activity to see what happens when different substances change state. There are three main states of ...