COMPREHENSION PARAGRAPH
PRACTICE WORKSHEET
CLASS 7th, 8th AND 9th
RENEWABLE ENERGY SOURCES
Renewable energy sources are essential for the future of our planet. Unlike fossil fuels, which are finite and release harmful pollutants into the atmosphere, renewable energy sources are sustainable and environmentally friendly. The most common types of renewable energy include solar, wind, hydroelectric, geothermal and biomass energy. Solar energy harnesses the power of the sun using photovoltaic cells to generate electricity. Wind energy uses turbines to convert wind currents into electrical power. Hydroelectric power is generated by capturing the energy of flowing water, usually from rivers or dams. Geothermal energy utilizes the heat from beneath the Earth’s surface to produce energy. Biomass energy is derived from organic materials, such as plant and animal waste, which can be burned or converted into biofuels.
The adoption of renewable energy is crucial for reducing greenhouse gas emissions and combating climate change. By transitioning to cleaner energy sources, we can decrease our dependence on fossil fuels and reduce air and water pollution. Additionally, renewable energy technologies can create jobs and drive economic growth. Many countries are investing in renewable energy infrastructure and implementing policies to encourage its use.
Despite the benefits, there are challenges associated with renewable energy. The initial costs for setting up renewable energy systems can be high and some sources, like solar and wind, are dependent on weather conditions. However, advancements in technology and increased investment are making renewable energy more accessible and cost-effective.
The shift towards renewable energy is a crucial step in achieving a sustainable future. By embracing these technologies, we can protect the environment, promote economic stability and ensure a healthier planet for future generations.
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ANSWER THE FOLLOWING QUESTIONS :
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Q.1) What are renewable energy sources and how do they differ from fossil fuels ?
ANS: Renewable energy sources are essential for the future of our planet. Unlike fossil fuels, which are finite and release harmful pollutants into the atmosphere, renewable energy sources are sustainable and environmentally friendly.
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Q.2) List the most common types of renewable energy mentioned in the paragraph.
ANS: The most common types of renewable energy include solar, wind, hydroelectric, geothermal and biomass energy.
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Q.3) How is solar energy harnessed ?
ANS: Solar energy is harnessed using photovoltaic cells that convert sunlight into electricity.
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Q.4) What is the role of turbines in generating wind energy ?
ANS: Turbines convert wind currents into electrical power.
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Q.5) How does hydroelectric power generated electricity ?
ANS: Hydroelectric power generates electricity by capturing the energy of flowing water, usually from rivers or dams.
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Q.6) Why is the adoption of renewable energy important for combating climate change ?
ANS: The adoption of renewable energy is crucial for reducing greenhouse gas emissions and combating climate change, as it decreases our dependence on fossil fuels and reduce air and water pollution.
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Q.7) What are some economic benefits of renewable energy technologies ?
ANS: Renewable energy technologies can create jobs and drive economic growth and can work as a benefit.
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Q.8) What challenges are associated with renewable energy sources ?
ANS: There are challenges associated with renewable energy which include, the initial costs for setting up renewable energy systems can be high and some sources, like solar and wind, are dependent on weather conditions.
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Q.9) Rewrite the following sentence in the past tense: “Renewable energy sources are essential for the future of our planet.”
ANS: “Renewable energy sources were essential for the future of our planet.”
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Q.10) What does the term “sustainable” mean in the context of the paragraph ?
ANS: “Sustainable” – means capable to being maintained over the long term without depleting resources or harming the environment.
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