What does a cooling graph typically show during a phase change ? P43-031 Changes of state and specific latent heat checkpoint

The correct answer is Temperature remains constant ? P43-031 specific heat capacity reasoning.

Evidence lens: Use the data, graph feature, practical observation, or particle behaviour that proves the answer. This question asks: What does a cooling graph typically show during a phase change ?. The correct response is Temperature remains constant ? P43-031 specific heat capacity reasoning, because changes of state are explained by particle energy and arrangement. In Changes of state and specific latent heat, the marking point should connect directly to interpret heating and cooling graphs that show temperature changes and flat sections during changes of state. 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 429 is distinct because it uses this exact question context and the evidence lens rather than a generic particle-model sentence.