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.
Key Topics to Revise
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
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
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
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)
Get complete notes with diagrams and examples
Full NotesKey Concepts
Get detailed revision notes for How Things are Made
Super Tutor gives you interactive content for every chapter of CBSE Class 4 EVS — summaries, quizzes, flashcards, and more.
Try Super Tutor — It's FreeFrequently 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?
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
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
More Resources for How Things are Made
Important Questions
Practice with board exam-style questions
Syllabus
What topics to cover
Study Plan
Step-by-step plan to ace this chapter
Flashcards
Quick-fire cards for active recall
Formula Sheet
All formulas in one place
Chapter Summary
Understand the chapter at a glance
Practice Quiz
Test yourself with a quick quiz
Concept Maps
See how topics connect visually