Energy Transfer Worksheet
Explore the concepts of energy transfer, efficiency, and different forms of energy with this Grade 9 Science worksheet.
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Energy Transfer Worksheet
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Date:
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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 the primary way energy is transferred from the sun to the Earth?
Conduction
Convection
Radiation
Evaporation
2. An energy-efficient light bulb converts most of its electrical energy into:
Heat energy
Sound energy
Light energy
Chemical energy
3. The Law of Conservation of Energy states that energy cannot be created or , but it can be transferred or transformed.
4. In a food chain, energy flows from producers to consumers, forming an energy .
5. Conduction is the transfer of heat through the movement of fluids.
True
False
6. An incandescent light bulb is more energy-efficient than an LED bulb.
True
False
7. Describe the difference between a renewable and a non-renewable energy source. Give one example of each.
8. Observe the energy pyramid below. Explain what it represents and why energy decreases at each successive trophic level.
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