Ages 12–13🔬 ScienceBeing planted

Reactions That Release or Absorb Heat

Distinguish between exothermic reactions (release energy, temperature rises) and endothermic reactions (absorb energy, temperature falls), with everyday and industrial examples

A first look

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Question 1 of 3

Which chemical process would be most suitable to include in a device that is intended to **absorb thermal energy** from its surroundings?

Question 2 of 3

A student is designing a device that becomes colder while it operates by using a chemical process. Which of the following reactions would be most appropriate for this device?

Question 3 of 3

A student wants to make a small device that becomes warm when a chemical reaction occurs. Which reaction should the student choose for the device?

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