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Kinetic particle model of matter
Identify the key characteristics that differentiate solids, liquids, and gases within the context of the particle model in thermal physics.
7
Objectives
70
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49
Questions
90 min
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CambridgeIGCSECombined ScienceThermal physics
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Kinetic particle model of matter outcomes7 objectives
- Identify the key characteristics that differentiate solids, liquids, and gases within the context of the particle model in thermal physics.
- Recall the correct terms for the changes of state between solids, liquids, and gases, excluding gas-to-solid and solid-to-gas transitions.
- Explain the structure of solids, liquids, and gases by describing how their particles are arranged, spaced, and move, and illustrate these states with simple particle diagrams.
- Explain how the motion of particles changes with temperature.
- Understand that the properties of solids, liquids, and gases depend on the forces between particles, the distances separating them, and their motion.
- Explain gas pressure as the result of particles colliding with surfaces, producing a force distributed over an area.
- Qualitatively describe how changing temperature at constant volume and changing volume at constant temperature affect the pressure of a fixed amount of gas, using particle ideas.
Key terms
StateIdentifyDefineGiveDescribeExplainSketchSuggest
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