Examples of Energy Transfer Quiz

Where do plants get their energy from?

• The Sun

• The Moon

• The soil

• The wind

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Why do humans need energy, according to the text?

• For a wide range of purposes like cooking, heating, traveling, entertainment, and communications

• Only for sleeping

• Only for eating

• Only for playing games

What has happened to our energy use in the past two centuries?

• It has increased dramatically

• It has stayed the same

• It has decreased

• It has disappeared

What do animals get their energy from?

• Eating plants or other animals that eat plants

• Drinking water only

• Sleeping all day

• Watching TV

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What is hydropower?

• The use of water energy to generate electricity

• The use of wind energy to generate electricity

• The use of solar energy to generate electricity

• The use of coal to generate electricity

What were the oldest windmills built to do?

• Pump water and grind grain

• Generate electricity

• Heat buildings

• Power cars

How do modern wind turbines differ from original windmills?

• They generate electricity

• They grind grain

• They heat water

• They are used for cooking

Why is solar power considered environmentally friendly?

• It is clean and produces little waste

• It uses a lot of fuel

• It creates air pollution

• It is expensive to use

Why did people originally use windmills?

• To pump water and grind grain

• To generate electricity

• To heat buildings

• To power cars

What is energy?

• The ability to do work.

• A type of machine.

• A kind of food.

• A type of weather.

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