Energy Conversions Worksheet
Explore different forms of energy and how they convert from one form to another with this Grade 8 Science worksheet.
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Energy Conversions
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Read each question carefully and answer to the best of your ability. This worksheet will test your understanding of energy forms and conversions.
1. Which of the following is an example of chemical energy being converted into thermal and light energy?
A solar panel generating electricity
Burning wood in a fireplace
A waterfall turning a turbine
A battery powering a flashlight
2. In a hydroelectric power plant, what is the primary energy conversion that occurs?
Electrical to chemical
Thermal to mechanical
Kinetic to potential
Potential to kinetic to electrical
3. The Law of Conservation of Energy states that energy cannot be created or , but it can be changed from one form to another.
4. When a spring is compressed, it stores energy.
5. A light bulb converts electrical energy into light energy and energy.
6. Photosynthesis is an example of light energy being converted into chemical energy.
True
False
7. A moving car primarily demonstrates potential energy.
True
False
8. Describe the energy conversions that occur when you turn on a battery-powered flashlight.
9. The diagram below shows an energy pyramid. Explain how energy is transferred and converted at each trophic level.
Match each energy form with its description.
10. Kinetic Energy
a. Energy stored due to an object's position or state
11. Potential Energy
b. Energy of motion
12. Thermal Energy
c. Energy associated with the movement of atoms and molecules; heat