Law of Conservation of Energy Worksheet
Explore the principles of the Law of Conservation of Energy with this Grade 12 physics worksheet, featuring multiple-choice, true/false, fill-in-the-blanks, 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 of the following statements 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 transferred or transformed, but not created or destroyed.
The total energy of an isolated system always decreases.
2. In a closed system, if potential energy decreases, what typically happens to kinetic energy?
It also decreases.
It increases.
It remains constant.
It is converted into mass.
1. The Law of Conservation of Energy applies only to mechanical energy.
True
False
2. In an open system, the total energy can change due to interactions with the surroundings.
True
False
1. The Law of Conservation of Energy states that the total energy of an isolated system remains .
2. Energy can be transformed from one form to another, such as potential energy converting into energy.
3. A system that does not exchange matter or energy with its surroundings is called an system.
1. Describe the energy transformations that occur when a ball is thrown vertically upwards and then falls back down.
2. Explain why the Law of Conservation of Energy is a fundamental principle in physics.
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