1. States of Matter Definition: physical forms of matter Solid Liquid Gas
Plasma

2. Solid Definition: volume and shape are fixed
Particles are very close to each other
Strong attraction between atoms
Particles can only vibrate

3. Liquid Definition: definite volume but not a definite shape
More loosely connected than a solid and can move past each other
Pouring water into a cup
Particles collide and
slide past each other

4. Gas Definition: No shape or volume
Particles have little attraction between them
Move freely and collide with each other

5. Summary

6. Plasma Definition: No shape or volume Particles have broken apart
Are electrically charged
Examples:
Lightning
Stars
Neon lights