𝓂𝒶𝓉𝓉ℯ𝓇

• Which state of matter has a fixed shape?

  Solid
• What is a characteristic of liquids?

  They take the shape of their container
• Which state of matter can be compressed?

  Gas
• How do you represent particles in a solid?

  Draw them closely packed together
• How do you represent particles in a liquid?

  Draw them close but not fixed
• How do you represent particles in a gas?

  Draw them widely spaced
• What term describes matter getting bigger when heated?

  Expand
• What term describes matter getting smaller when cooled?

  Contract
• What happens to particles when matter is heated?

  They gain energy and move faster
• Why are electricity wires hung loosely in summer?

  They contract in winter and may snap
• What do gas particles cause when they hit container walls?

  Pressure
• What is the term for particles mixing with liquid particles?

  Dissolving
• What method is used for separating mixtures by size?

  Filtration
• What method is used for separating liquids with different boiling points?

  Distillation
• What method is used for separating dissolved salt from water?

  Evaporation
• What method is used to separate sand from water?

  Filtration
• What is melting?

  Turning solid to liquid
• What is evaporation?

  Turning liquid to gas
• What is condensation?

  Turning gas to liquid
• What is freezing?

  Turning liquid to solid
• What are the methods of separating mixtures?

  • Filtration
  • Distillation
  • Evaporation
  • Chromatography
• What are the states of matter and their characteristics?

  • Solid: Fixed shape, cannot flow, cannot be compressed
  • Liquid: Flows, takes shape of container, cannot be compressed
  • Gas: Flows, fills container, can be compressed