1. Emily loves playing video games. She has finished playing but left the gaming console switched on.
What should Emily do to save energy?
a) Leave the gaming console on all day.
b) Turn off the gaming console when not playing.
c) Keep the console on and watch TV too.
d) Play games continuously without breaks.
View ans
Answer: b) Turn off the gaming console when not playing
Explanation: Turning off electronics when not in use helps save energy. Keeping devices like gaming consoles on consumes unnecessary electricity.
2. In their science class, Sarah and her classmates were learning about different things that can be used to create energy. Which of the following cannot be converted into energy?
a) Sunlight
b) Rocks
c) wind
d) water
View ans
Answer: b) Rocks
Explanation: Rocks cannot be converted into energy.
3. Tommy was thinking about ways to visit his friend's house, which was not too far away. Using which of the following means of transport would be helpful in saving energy?
a)
b)
c)
d)
View ans
Answer: a
Explanation: Cycle or Bicycle doesn't use any kind of fuel thus helpful in saving energy.
4. Which of these things helps us save energy by using the power of the wind?
a)
b)
c)
d)
View ans
Answer: a
Explanation: Wind turbines use wind energy and convert it to another form of energy.
5. Emily loved reading her favourite storybooks. Which of the following actions would help her in saving energy when reading a book?
a) Turning off the light when finished
b) Read in the dark
c) Use a flashlight
d) Keeping all the lights on while reading
View ans
Answer: a) Turning off the light when finished
Explanation: We should save energy by switching off the light bulb when we don't need it.
6. If you want to save energy what should you do while brushing your teeth?
a) Leave the tap running
b) Turn off the tap when you don't need water
c) Collect rainwater
d) Avoid brushing your teeth
View ans
Answer: b) Turn off the tap when you don't need water
Explanation: We should use water carefully and turn off the tap when we don't need water.
7. Where can you find a wind turbine out of the following?
a)
b)
c)
d)
View ans
Answer: c
Explanation: Wind turbines are made in a large open field.
8. Which of the following is a good practice to follow while playing with your battery-operated toys?
a) Keep the toys running even when not playing with them
b) Put new batteries in every day
c) Throw away the toys when the batteries stop working
d) Turn off the toys when not using them
View ans
Answer: d) Turn off the toys when not using them
Explanation: You should turn off the battery-operated toys when you are not playing with them.
9. Mark was learning about different activities that could either save or waste energy. Which of the following activities would not help us in energy conservation?
a) Using public transport like a bus
b) Using the bicycle
c) Walking to short distances
d) Travelling from car to nearby park
View ans
Answer: d) Travelling from car to nearby park
Explanation: We should avoid using cars or any other transport and walk to nearby places to lessen the use of oil and gas thus saving energy.
10. What can we use to capture the Sun's energy and turn it into electricity?
a)
b)
c)
d)
View ans
Answer: c
Explanation: Solar panels are used in energy saving using by sun's energy.
