click below
click below
Normal Size Small Size show me how
Solids Liquids Gases
Particle theory
| Question | Answer |
|---|---|
| What is matter | Anything that occupies space and has mass |
| What are the characteristics of a solid | Definite shape, definite volume, cannot flow. Particles tightly packed |
| What are the characteristics of a liquid | No definite shape, Definite volume, Can flow. Particles can slide over each other |
| What are the characteristics of a gas | No definite shape, no definite volume, can flow. Particles spaced far apart |
| What is the change in evaporation | Liquid to gas (at surface) |
| What is the change in condensation | Gas to liquid |
| What is the change in melting | Solid to liquid |
| What is the change in freezing | Liquid to solid |
| What is the change in boiling | Liquid to gas |
| What is the melting point | The temperature at which a solid changes to a liquid |
| What is the boiling point | The temperature at which a liquid changes to a gas |
| What is diffusion | The movement of particles from a place of high concentration to low concentration |