Science - Topic 2 - REVIEW

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What is biomass?

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Biomass is an energy source derived from organic materials, such as plants and animal waste.

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What is geothermal energy?

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Geothermal energy is a renewable energy source that harnesses heat from the Earth's interior.

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What are scrubbers used for?

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Scrubbers are devices that reduce the amount of pollutants released into the air by removing harmful substances from exhaust gases.

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What is the environmental impact of fossil fuels?

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Fossil fuels contribute to environmental issues such as air pollution and climate change due to the release of greenhouse gases.

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What are renewable energy sources?

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Renewable energy sources are energy sources that can be replenished naturally, such as solar, wind, and geothermal energy.

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What is a disadvantage of using fossil fuels?

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A major disadvantage of using fossil fuels is that they produce greenhouse gases, which contribute to global warming.

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How do scrubbers work?

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Scrubbers work by chemically reacting with pollutants in exhaust gases to neutralize them before they are released into the atmosphere.

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What is the role of renewable energy in reducing greenhouse gas emissions?

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Renewable energy sources produce little to no greenhouse gas emissions during operation, helping to mitigate climate change.

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What are some examples of renewable energy sources?

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Examples of renewable energy sources include solar energy, wind energy, hydroelectric energy, biomass, and geothermal energy.

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What is the significance of reducing fossil fuel usage?

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Reducing fossil fuel usage is significant for decreasing air pollution, mitigating climate change, and promoting sustainable energy practices.