Chapter 8 of 12
Revision Notes
Sound and Noise — Revision Notes
ICSE · Class 5 · Science
Sound and Noise revision notes for ICSE Class 5 Science: 4 topics in quick points. Part of the ICSE Class 5 Science syllabus.
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.
Get complete notes with diagrams and examples
Full NotesKey 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?
Key topics in Sound and Noise include Sources of Sound, Pleasant and Unpleasant Sounds, Warning Sounds, Noise and Noise Pollution. Study these first, then practise questions on each for Class 5 exams.
How should I revise Sound and Noise for Class 5 exams?
Learn the core ideas first, then work through the 52 practice questions on Sound and Noise. Revise 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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