Class 5 Environmental Studies Chapter 7: Energy — How Things Work — practice questions with answers
Free practice for Class 5 Environmental Studies, Chapter 7: Energy — How Things Work. Try the solved questions below, then take a free test with instant marking and explanations.
30 questions11 easy, 16 medium, 3 hardNCERT · CBSE · State boards
Sample questions with solutions
Q1. According to the chapter, what is energy?
- What makes things move, light up, make sound, do work and change temperature
- Only the electricity in our homes
- The food we throw away
- The air inside a balloon
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Answer: A. What makes things move, light up, make sound, do work and change temperature
Why: Energy is what makes things move, light up, produce sound, do work and change temperature. [p.115]
Why: Energy is what makes things move, light up, produce sound, do work and change temperature. [p.115]
Q2. Two cups of water are kept for 20 minutes, one in sunlight and one in shade. Which will feel warmer?
- The cup in sunlight
- The cup in the shade
- Both the same
- Neither will change
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Answer: A. The cup in sunlight
Why: Water in sunlight is warmer because the Sun heats it — sunlight gives us heat energy. [p.117]
Why: Water in sunlight is warmer because the Sun heats it — sunlight gives us heat energy. [p.117]
Q3. Where do we get the energy to run, jump and play?
- From the food we eat
- From sunlight on our skin only
- From petrol
- From batteries
Show answer
Answer: A. From the food we eat
Why: The teacher explains that the food we eat gives us the energy we need. [p.118]
Why: The teacher explains that the food we eat gives us the energy we need. [p.118]
Q4. In the diya activity, the ______ acts as the fuel.
Show answer
Answer: oil
Why: The chapter states that the oil is the fuel in the lit diya. [p.121]
Why: The chapter states that the oil is the fuel in the lit diya. [p.121]
Q5. Which are safe ways to use electricity, from the chapter? (Tick all that apply)
- Do not put fingers or pens into sockets
- Stay away from broken wires and tell an adult
- Do not play near transformers
- Fix a sparking plug yourself
- Touch wires while plugged in
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Answer: A. Do not put fingers or pens into sockets; B. Stay away from broken wires and tell an adult; C. Do not play near transformers
Why: The safety list says never put things into sockets, stay away from broken wires and tell an adult, avoid transformers and never fix things yourself. [p.122]
Why: The safety list says never put things into sockets, stay away from broken wires and tell an adult, avoid transformers and never fix things yourself. [p.122]
Q6. If an electrical device looks unsafe, you should try to fix it yourself quickly.
True or false?
Show answer
Answer: False
Why: The chapter says if something looks unsafe, do not try to fix it yourself; always tell an adult. [p.122]
Why: The chapter says if something looks unsafe, do not try to fix it yourself; always tell an adult. [p.122]
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How many practice questions are there for Class 5 Environmental Studies Chapter 7: Energy — How Things Work?
30 questions (11 easy, 16 medium, 3 hard). A few are solved on this page; the free test shows the answer and explanation for every question after you submit.
Is this chapter from the NCERT book?
Yes — it follows the NCERT Class 5 Environmental Studies syllabus, used by CBSE and many state boards.