Grade 7 Science: Energy Conversions Worksheet
Explore the principles of energy conversion with this Grade 7 science worksheet, covering different forms of energy and how they transform.
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Energy Conversions Worksheet
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Read each question carefully and answer to the best of your ability. Use complete sentences for short answer questions.
1. Which of the following is an example of chemical energy being converted into thermal energy?
A light bulb glowing
A car engine burning fuel
A solar panel generating electricity
Water boiling in a kettle
2. In a hydroelectric power plant, what type of energy is converted into electrical energy?
Thermal energy
Chemical energy
Kinetic energy of moving water
Sound energy
1. When you rub your hands together, mechanical energy is converted into energy.
2. A plant converts light energy into energy through the process of photosynthesis.
3. The Law of Conservation of Energy states that energy cannot be created or .
1. A battery converts electrical energy into chemical energy.
True
False
2. When a toaster heats bread, it is converting electrical energy into thermal energy.
True
False
1. Describe the energy conversion that occurs in a flashlight when it is turned on.
2. Give an example of how potential energy can be converted into kinetic energy.
3. The diagram below shows an energy pyramid. Explain how energy is transferred and converted at different trophic levels.
