Question detail

What is the relationship between temperature and the average kinetic energy of particles (Internal energy)

Try the question, check the answer, then read the explanation to understand the curriculum point.

At a glance

MCQ

Type

practice

Style

Topic

Internal energy and energy transfers

Question

  1. A. Higher temperature means lower average kinetic energy
  2. B. Temperature and average kinetic energy are unrelated
  3. C. Higher temperature means higher average kinetic energy
  4. D. Temperature only affects potential energy

Answer

The correct answer is Higher temperature means higher average kinetic energy.

Explanation

Method lens: First identify the measured quantity, then match the equation or particle idea to the command word. This question asks: What is the relationship between temperature and the average kinetic energy of particles (Internal energy). The correct response is Higher temperature means higher average kinetic energy, because internal energy combines particle kinetic and potential energy. In Internal energy, the marking point should connect directly to describe how changing particle arrangement can change the potential energy of particles. If the question includes values, the working must keep the appropriate unit and operation; if it is an explanation, it must name the relevant particle behaviour or energy change. This item belongs to Internal energy and energy transfers, so avoid answers that switch to a different quantity, confuse heat with temperature, or describe gas pressure without collisions when collisions are the reason. Checkpoint 236 is distinct because it uses this exact question context and the method lens rather than a generic particle-model sentence.

Common mistake

Confusing Particle Arrangement with Temperature

Students often think that changing the arrangement of particles directly changes the temperature of a substance.

Emphasize that changing particle arrangement affects potential energy, while temperature is related to the average kinetic energy of particles.

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What is the relationship between temperature and the average | AQA Physics | ExamCompanion