Question
Which sentence best describes what happens when you turn on a lights?
1. Chemical energy is changed into light electrical energy and light energy.
2. Electrical energy is changed into light energy and thermal energy.
3. Light energy is created.
4. Potential energy is changed into kinetic energy.
1. Chemical energy is changed into light electrical energy and light energy.
2. Electrical energy is changed into light energy and thermal energy.
3. Light energy is created.
4. Potential energy is changed into kinetic energy.
Answers
2. Electrical energy is changed into light energy and thermal energy.
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