The particle model
- Matter is made of tiny particles
- There is space between the particles
- The particles are in constant motion
- There are forces between the particles
| Property for comparison | Solid | Liquid | Gas |
|---|---|---|---|
| Shape | Has a fixed shape | Can change its form, not fixed | Not fixed, no shape |
| Particle bonds | Very strong | Stro ng | Weak |
| Particle spacing | Tightly packed | Small amount of space | Large amount of space |
| Particle movement | Slow | Fast | Faster |