Explore the fundamental concept of matter in physics, everything that makes up the physical world around us. Matter is not ...

SCN 3-05a. Describes, using particle models and diagrams, the properties of solids, liquids and gases and applies this knowledge toidentify and classify unknown substances; Applies understanding of ...

To change the state of a substance, energy must be transferred to or from the substance. Find out more with BBC Bitesize. For students between the ages of 11 and 14.

For more information about states of matter, check out the Science Trek website. You'll find it at science. States of Matter: More on Plasma. Video has Closed Captions CC.