Law of Conservation of Energy
Explore the fundamental principle of the Law of Conservation of Energy with this Grade 7 science worksheet, featuring multiple choice, true/false, and short answer questions.
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Law of Conservation of Energy
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Read each question carefully and answer to the best of your ability.
1. Which statement 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 transformed from one form to another, but it cannot be created or destroyed.
Energy is always lost as heat.
2. When a ball is thrown upwards, what happens to its kinetic and potential energy?
Kinetic energy increases, potential energy decreases.
Kinetic energy decreases, potential energy increases.
Both kinetic and potential energy increase.
Both kinetic and potential energy decrease.
3. The total amount of energy in the universe is constantly changing.
True
False
4. When you rub your hands together, chemical energy is converted into heat and sound energy.
True
False
5. According to the Law of Conservation of Energy, energy cannot be created or .
6. A common example of energy transformation is a light bulb, which converts electrical energy into light and energy.
7. Describe one real-world example of energy transformation and identify the forms of energy involved.
8. Observe the energy pyramid below. How does the Law of Conservation of Energy apply to the flow of energy through this ecosystem?
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