Energy Conversion Worksheet
Explore the principles of energy conversion, types of energy, and the law of conservation of energy with this Grade 10 science worksheet.
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Energy Conversion Worksheet
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Read each question carefully and answer to the best of your ability. 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 takes place?
Electrical energy to mechanical energy
Chemical energy to thermal energy
Potential energy to kinetic energy to electrical energy
Thermal energy to light energy
3. A toaster converts electrical energy into energy to heat bread.
4. Photosynthesis is a process where plants convert light energy into energy.
5. Describe the energy conversion that occurs when a flashlight is turned on.
6. In all energy conversions, some energy is always lost as heat.
True
False
7. Solar panels convert thermal energy into electrical energy.
True
False
8. Analyze the energy pyramid below. What does it represent in terms of energy conversion in an ecosystem?
Match the energy conversion with the correct device.
9. Chemical to Electrical
a. Light Bulb
10. Electrical to Light
b. Battery
11. Mechanical to Electrical
c. Generator