Energy Transformation Worksheet
Explore the principles of energy transformation, including different forms of energy and the law of conservation of energy, with this Grade 10 science worksheet.
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Energy Transformation
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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 transformed from one form to another, but it cannot be created or destroyed.
Energy is always lost during transformation.
2. In a hydroelectric power plant, what is the primary energy transformation?
Chemical energy to electrical energy.
Thermal energy to kinetic energy.
Potential energy to kinetic energy to electrical energy.
Nuclear energy to thermal energy.
1. When a light bulb is turned on, electrical energy is transformed into light energy and energy.
2. Photosynthesis is a process where light energy is converted into energy by plants.
3. A car engine converts the chemical energy stored in fuel into energy to move the car.
1. Describe two examples of energy transformation in everyday life, identifying the initial and final forms of energy in each example.
2. Explain why no energy transformation process is 100% efficient.
1. According to the Law of Conservation of Energy, the total amount of energy in an isolated system remains constant.
True
False
2. All energy transformations produce some amount of heat.
True
False
Refer to the energy pyramid diagram below to answer the following question.
3. Only about 10% of energy is transferred from one trophic level to the next. What happens to the remaining 90% of the energy?