Practice The Law Of Conservation Of Energy (4.6.1)

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8 questions

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Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
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6 sample questions

Question 1.
What does the Law of Conservation of Energy state?
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Think about how energy acts in different scenarios.
Question 2.
Name one energy transformation that occurs in electric devices.
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Consider common appliances you use.
3Question 3.
What does the Law of Conservation of Energy state?
- Energy can be created.
- Energy can be destroyed.
- Energy can be transformed.
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Consider how energy behaves in various devices.
4Question 4.
True or False: Energy-efficient devices waste more energy.
- True
- False
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Think about the purpose of these devices.
Question 5.
If a 100W light bulb is used for 5 hours, how much energy does it consume in kWh, and what would be the cost at a rate of $0.12 per kWh?
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Convert Watts to kilowatts before doing the calculations.
Question 6.
Describe how the use of renewable energy can impact energy conservation in your community, providing examples.
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Consider existing projects or initiatives in your locality.

4 more questions in this section. Enroll free to practise them all.