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Revision Notes

How Things are Made

CBSE · Class 4 · EVS

Quick revision notes for How Things are Made — CBSE Class 4 EVS. Key concepts, formulas, and definitions for last-minute revision.

41 questions20 flashcards5 concepts

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Key Topics to Revise

1

Making Recycled Paper

  • Paper can be made from old newspapers and waste materials
  • Fenugreek seeds (methi) are used as binding material in recycled paper
  • The process involves: tearing paper → soaking in water → adding fenugreek seeds → blending → rolling out → drying
2

Natural Colors and Dyes

  • Natural dyes are made from different parts of plants (leaves, flowers, roots, seeds, stems)
  • Examples: Turmeric gives yellow color, spinach gives green, beetroot gives red, henna gives brown
  • Natural dyes are safe to use compared to artificial dyes
3

Types of Paper and Their Uses

  • Different types: writing paper, newspaper, art paper, cardboard, tissue paper
  • Each type has specific properties for different uses
  • Tissue paper is thin, soft, and absorbs water - used for cleaning
4

5Rs of Waste Management

  • The 5Rs are: Refuse, Reduce, Reuse, Repurpose, Recycle
  • Refuse: Say 'no' to things that create waste (like single-use cups)
  • Reduce: Use things carefully to make less waste (use both sides of paper)

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Full Notes

Key Concepts

Paper is made by creatingDifferent types of paper serve differentColors can be made from naturalRefuseMaking paper requires cutting many trees

Frequently Asked Questions

What are the important topics in How Things are Made for CBSE Class 4 EVS?
How Things are Made covers several key topics that are frequently asked in CBSE 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 How Things are Made — CBSE Class 4 EVS?
Understand the core concepts first, then work through the 41 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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