Question detail
When water is heated in an electric kettle, which type of energy store is primarily involved?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Energy changes in a system, and the ways energy is stored before and after such changes
Question
- A. Kinetic energy store
- B. Gravitational potential energy store
- C. Thermal energy store
- D. Elastic potential energy store
Answer
Thermal energy store
Explanation
The primary energy store involved when heating water is the thermal energy store, as the temperature of the water increases.
Common mistake
Misunderstanding Energy Transfer
Students often think that the energy from the kettle is only stored as thermal energy in the water and forget that energy is also transferred to the kettle itself.
Remember that energy is transferred to both the water and the kettle, and describe how the energy-store changes in both components.
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