Grade 8 Science: Energy Conversion
This worksheet covers various forms of energy, the law of conservation of energy, and examples of energy conversion in different scenarios.
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Grade 8 Science: Energy Conversion
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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 is an example of chemical energy being converted into kinetic energy?
A light bulb glowing
A car engine burning gasoline to move
Water boiling in a kettle
A solar panel generating electricity
2. The Law of Conservation of Energy states that energy cannot be:
Transformed or transferred
Created or destroyed
Measured or observed
Stored or released
3. A hydroelectric power plant converts the energy of water into electrical energy.
4. When you rub your hands together, energy is converted into energy.
5. In every energy conversion, some energy is always lost as heat.
True
False
6. Photosynthesis is a process where light energy is converted into chemical energy.
True
False
7. Describe the energy conversion that occurs when a flashlight is turned on.
8. Explain the difference between potential energy and kinetic energy, and provide an example of each.
9. Observe the energy pyramid below. What does this diagram represent in terms of energy flow and conversion in an ecosystem?
