How Clean Energy Is Good For The Environment

Questions for Practice on Clean Energy

1. In the story above, it was told that the Sun has some magical power which can be used in clean energy. What is the Sun's magical power?

image

a) Battery
b) Solar power
c) Sparkle
d) Water

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Answer: b) Solar power

Explanation: The Sun's magical power which can be used in clean energy is called solar power.

2. Which of the following can be used by us to utilise solar power or sunlight to obtain clean energy?

a) image

b) image

c) image

d) image

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Answer: c

Explanation: Solar panels are used to absorb sunlight which is used as an eco-friendly source of energy.

3. Like the sun, water also has some power which can be used in clean energy to obtain energy by an eco-friendly method. Which of the following is the name of water's power?

image

a) Hydropower
b) Solar power
c) Wind
d) River

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Answer: a) Hydropower

Explanation: Water's power is called hydropower. It can be utilised to make clean energy.

4. Winds can be used to make clean energy to save our environment. Which of the following is the tool to utilise wind power effectively?

a) image

b) image

c) image

d) image

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Answer: d

Explanation: Windmills are used to utilise wind power to make clean energy.

5. Clean energy is a better alternative to traditional energy sources. Which of the following is the correct option which tells why clean energy is more eco-friendly?

a) Clean energy does not produce smoke or any other pollutant
b) Clean energy uses lots of electricity
c) Clean energy produces lots of smoke
d) Clean energy is bad for the environment

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Answer: a) Clean energy uses lots of electricity

Explanation: Clean energy does not produce smoke or use electricity hence it is more eco-friendly

6. Lily's mother has suggested she grow more and more trees whenever she can. How does a tree contribute to the Earth's healthy environment?

image

a) They produce harmful air
b) They absorb bad air and release healthy air.
c) They produce water
d) They produce electricity

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Answer: b) They absorb bad air and release healthy air

Explanation: Trees absorb harmful gases and release fresh and clean air.

7. We should turn off the electricity switch when they are not in use. Why turning off lights or fans is good for our environment?

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a) Turning off saves water
b) Switching off the bulb generates clean energy
c) Turning off the light bulb produces clean air
d) Because it helps in saving energy

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Answer: d) Because it helps in saving energy

Explanation: Turning off lights and toys when we're not using them helps save energy.

8. We should prefer riding a bicycle instead of driving a car for travelling small distances. What does riding a bicycle instead of a car ride do for the earth?

image

a) Bicycle reduces air pollution and saves energy
b) It produces smoke
c) It generates electricity
d) It increases water pollution

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Answer: a) Bicycle reduces air pollution and saves energy

Explanation: Bicycle reduces air pollution as it doesn't produce smoke or use oil.

9. Around us we have different means for going from one place to another. Which one of the following is the least eco-friendly means of travel for the environment?

a) image

b) image

c) image

d) image

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Answer: b)

Explanation: Bus produces smoke and use oil that's why they are not good for the environment.

10. Finding more clean energy and eco-friendly methods is very important for the Earth. What can happen out of the following if we continue to use non-eco-friendly sources in our daily lives?

a) image

b) image

c) image

d) image

View answer

Answer: c

Explanation: If we continue to use harmful energy sources it can pollute the air we breathe and harm the environment

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