To solve the problem, we need to fill in the missing words in the sentences about different types of energy resources. Let's go through each sentence step by step:
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1. The main source of _______ energy is fossil fuels.
- Fossil fuels (coal, oil, natural gas) are finite resources that take millions of years to form and cannot be replenished quickly. Therefore, they are classified as
non-renewable.
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Answer: non-renewable
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2. Fossil fuels include coal, oil, and _______.
- Fossil fuels are primarily composed of coal, oil, and natural gas.
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Answer: natural gas
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3. _______ energy resources can be used repeatedly and are replaced naturally.
- Energy resources that can be used repeatedly and are naturally replenished are called
renewable energy sources.
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Answer: Renewable
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4. _______ power uses the energy from the Sun to heat water or make electricity.
- Solar power involves capturing energy from the Sun to generate heat or electricity.
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Answer: Solar
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5. Wind power uses wind energy to turn a _______ to make electricity.
- Wind turbines are devices that convert wind energy into electrical energy.
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Answer: turbine
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6. Plants can be burned as a fuel to produce power. This is called _______ energy.
- Burning plants for energy is known as
biomass energy because it involves organic matter derived from living organisms.
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Answer: biomass
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7. Hydro-electric power uses _______ flowing downhill to turn turbines to make electricity. _______ are built to create reservoirs so the flow can be controlled.
- Hydro-electric power relies on the movement of
water to drive turbines.
- Dams are structures built to control the flow of water and create reservoirs.
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Answers: water, Dams
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8. _______ energy uses heat inside the Earth.
- Geothermal energy harnesses heat from within the Earth to generate power.
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Answer: Geothermal
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Final Answers:
1. non-renewable
2. natural gas
3. Renewable
4. Solar
5. turbine
6. biomass
7. water, Dams
8. Geothermal
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Explanation:
This worksheet focuses on understanding different types of energy resources and their characteristics. By identifying whether an energy source is renewable or non-renewable, and understanding how each type works, students can complete the sentences accurately.
If you have any further questions, feel free to ask!
Parent Tip: Review the logic above to help your child master the concept of energy resource worksheet.