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Revision Notes

Waste Disposal

ICSE · Class 4 · Social Science

Quick revision notes for Waste Disposal — ICSE Class 4 Social Science. Key concepts, formulas, and definitions for last-minute revision.

45 questions25 flashcards3 concepts

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Key Topics to Revise

1

Types of Waste

  • Waste is anything unwanted or no longer useful.
  • There are two main types of waste: biodegradable and non-biodegradable.
  • Biodegradable waste can rot and mix with soil. Examples: fruit peels, vegetables, paper, cloth.
2

Disposal of Waste

  • Waste should be thrown in covered dustbins at home.
  • Segregate waste into biodegradable and non-biodegradable.
  • Use green bins for biodegradable waste and blue bins for non-biodegradable waste.
3

Conserving the Environment: The 3 R’s

  • The best way to manage waste is to follow the 3 R’s: Reduce, Reuse, Recycle.
  • Reduce means using less and buying only what we need.
  • Reuse means using items again instead of throwing them away.

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Full Notes

Key Concepts

Waste that can rot and mixWaste that does not rotReduce means using less

Frequently Asked Questions

What are the important topics in Waste Disposal for ICSE Class 4 Social Science?
Waste Disposal covers several key topics that are frequently asked in ICSE Class 4 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Waste Disposal — ICSE Class 4 Social Science?
Understand the core concepts first, then work through the 45 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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