Given a scientific passage and an answer, generate a question for the given answer.
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Question: Passage: Electron affinity is a measure of the energy released when an extra electron is added to an atom. Answer: electron affinity

Answer: What is the measure of the energy released when an extra electron is added to an atom?

Question: Passage: The heat that is either absorbed or released is measured in joules. The mass is measured in grams. The change in temperature is given by , where is the final temperature and is the initial temperature. Answer: joules

Answer: In what unit is heat measured in?

Question: Passage: Light may be absorbed by matter. This is called absorption of light. When light is absorbed, it doesn't reflect from or pass through matter. Instead, its energy is transferred to particles of matter, which may increase the temperature of matter. Answer: its temperature

Answer:
When light is absorbed by a material, what may increase?