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Chapter 7 of 10
Revision Notes

Energy—How Things Work

CBSE · Class 5 · EVS

Quick revision notes for Energy—How Things Work — CBSE Class 5 EVS. Key concepts, formulas, and definitions for last-minute revision.

43 questions22 flashcards5 concepts

Key Topics to Revise

1

What is Energy?

  • Energy is what makes things move, light up, produce sound, do work and change temperature
  • We observe energy in action everywhere - moving objects, lights, sounds, heating and cooling
  • Energy is needed for all activities in nature and society
2

Sources of Energy

  • Food is the main source of energy for all living things including humans and animals
  • Our brain uses energy even when we are sitting, sleeping or thinking
  • Fuels like petrol, diesel, cooking gas, wood, and coal provide energy
3

Electricity as Energy Source

  • Many devices at home need electricity to work - fans, lights, TV, refrigerator
  • Electricity can produce movement, sound, light, heat, and cooling
  • Electricity makes our lives easier and is used in industries to make things
4

Safety with Electricity

  • Do not touch wires or electrical devices when plugged in
  • Never put fingers or objects into electrical sockets
  • Stay away from broken wires or fallen electric poles

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Full Notes

Key Concepts

Energy is what makes things moveFood is the source of energyFuels like petrolElectricity powers many devices in ourSun

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Frequently Asked Questions

What are the important topics in Energy—How Things Work for CBSE Class 5 EVS?

Energy—How Things Work covers several key topics that are frequently asked in CBSE Class 5 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.

Start by understanding all key concepts. Practise previous year questions from this chapter. Revise formulas and definitions regularly. Use flashcards for quick revision before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.