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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 |