What does the temperature of a substance represent at the particle level?
The average kinetic energy of its particles.
The total kinetic energy of its particles.
The average speed of its particles.
The average potential energy of its particles.
Flashcards for Edexcel GCSE Physics Thermal radiation and energy balance, covering the key terms, definitions and equations you need to recall for Paper 1 and Paper 2. 23 cards, matched to the Edexcel GCSE Physics (1PH0) specification. Recall questions account for roughly 40% of marks at GCSE Physics, so these target the marks you can secure before the paper starts.