Online worksheet ยท 4 of 4

A particle model explains different behaviour - Online practice 4

Read the information, then answer the questions. An adult may read the instructions aloud. Show your working where asked.

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Particle model D: a sample that changes shape to its container but has little change in volume. Reference: solids have particles vibrating around fixed positions; liquids have close particles that move past each other; gases have widely spaced moving particles. Keep the number and size of model particles unchanged when comparing the same sample. Circles are symbols, not literal shapes or colours.

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