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Revision Notes

Sound and Noise

ICSE · Class 5 · Science

Quick revision notes for Sound and Noise — ICSE Class 5 Science. Key concepts, formulas, and definitions for last-minute revision.

52 questions30 flashcards5 concepts

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Key Topics to Revise

1

Sources of Sound

  • Sounds are produced when something vibrates.
  • Human beings make sounds by talking, laughing, clapping, coughing, and sneezing.
  • Animals make different sounds like barking, roaring, chirping, and hissing.
2

Pleasant and Unpleasant Sounds

  • Pleasant sounds make us happy and relaxed, like music or birds chirping.
  • Unpleasant sounds make us uncomfortable or stressed, like honking or loud drilling.
  • Soft sounds are usually pleasant (e.g., whispering, clock ticking).
3

Warning Sounds

  • Some loud sounds are used to warn people about danger or emergencies.
  • Fire alarms alert people to evacuate during a fire.
  • Sirens from fire engines, ambulances, and police vehicles help them move quickly through traffic.
4

Noise and Noise Pollution

  • Loud, unpleasant sound that harms health is called noise.
  • Continuous exposure to loud sounds causes noise pollution.
  • Sources include vehicles, factories, loudspeakers, and home appliances.

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Full Notes

Key Concepts

Sounds are produced by living beingsPleasant sounds make us happySome loud sounds are usedLoudWe can reduce noise by not

Frequently Asked Questions

What are the important topics in Sound and Noise for ICSE Class 5 Science?
Sound and Noise covers several key topics that are frequently asked in ICSE Class 5 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Sound and Noise — ICSE Class 5 Science?
Understand the core concepts first, then work through the 52 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

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

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