In this interactive, adjust the temperature and pressure of three common substances and watch them morph into different states of matter. Along the way, you'll see just how inextricably ...

When matter changes from one state to another, it's called a phase change. So, what causes a phase change? Well, there are a few different things. One is to change the temperature. Make it cold ...

Here in our online science lab you can find out more about states of matter and see what happens when different substances change state by interacting with the activity. There are three main ...

The three states of matter can be represented by the particle model. This model explains the properties of substances in their different states, as well as changes of state. Changes of state ...