| Solids |
 |
A bar of gold is a solid. | A solid has a definite shape and size, because its particles are tightly packed together. | ||
| |
|
|
|
|
|
| Liquids |
 |
This drink is a liquid. | A liquid has a definite size, but not a definite shape. The particles take on the shape of the container and are not so tightly packed. | ||
| |
|
|
|
|
|
| Gases |
 |
This gas is given off from the liquid. | A gas does not have a definite shape nor a definite size. The particles take up as much space as is available to them and are loosely packed. | ||
| |
|
|
|
|
