Energy Conversions Worksheet
Explore the principles of energy conversion, different forms of energy, and how energy transforms from one form to another in various systems.
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Energy Conversions
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Read each question carefully and provide the best answer based on your understanding of energy conversions. Show all your work for calculations.
1. Which of the following best describes the Law of Conservation of Energy?
Energy can be created but not destroyed.
Energy can be destroyed but not created.
Energy can be converted from one form to another, but it cannot be created or destroyed.
Energy is always lost during conversion.
2. In a hydroelectric power plant, which energy conversion sequence occurs?
Chemical → Electrical → Mechanical
Potential → Kinetic → Electrical
Thermal → Mechanical → Electrical
Nuclear → Thermal → Electrical
3. A solar panel converts energy into electrical energy.
4. The energy stored in fossil fuels is a form of energy.
5. When a light bulb is turned on, electrical energy is primarily converted into energy and energy.
6. Explain the energy conversion that takes place when you strike a match.
7. Energy efficiency is a measure of how much useful energy is produced from the total energy input.
True
False
8. In all energy conversions, some energy is always lost as heat due to the second law of thermodynamics.
True
False
9. Label the different trophic levels in the energy pyramid below and describe how energy is transferred and lost at each level.
