SOLIDS LIQUIDS GASES - PowerPoint PPT Presentation

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SOLIDS LIQUIDS GASES

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  1. SOLIDS LIQUIDS GASES

  2. LIQUIDS GASES SOLIDS The molecules are free to move around. They can spread around an open space quickly and freely. GASES can’t keep their shape unless they are kept in a sealed container. The molecules are held together with strong bonds. They don’t move very easily so SOLIDS can keep their own shape and size The molecules have weaker bonds. They can move around slightly so LIQUIDS can flow. They can’t keep their shape unless they’re in a container.

  3. melt evaporate HEAT HEAT COOL COOL freeze condense STEAM (WATER VAPOUR) ICE WATER

  4. What has caused the droplets of water to appear on the side of the cold Coke can?

  5. Burning is a non-reversible change