Class 4 Science Chapter 8 How Things are Made explains how common materials like paper are produced, how recycling works, and why it is important to use resources wisely. It also introduces eco-friendly habits like reducing waste and reusing materials.
In our daily life, we use many things like paper, books, cardboard, and tissues. Have you ever wondered how these things are made? What material is used and how it affects our environment? How can we conserve natural resources?
By following simple habits like recycling and using the 5Rs, we can save trees, conserve resources, and protect our environment for the future.
How Things are Made Worksheet
Our worksheets based on the latest curriculum, enables students to develop a clear understanding of concepts and prepare with confidence for their exams. Students can also download Class 4 EVS NCERT Solutions to access accurate, simple, and easy-to-understand answers to all textbook questions.
What Students Will Learn
- How paper is made from trees
- Steps to make recycled paper at home
- Importance of recycling and saving trees
- Types of paper and their uses
- Natural and artificial colours
- The 5Rs of waste management (Refuse, Reduce, Reuse, Repurpose, Recycle)
- How to protect the environment by reducing waste
Also Download:
Class 4 Hindi Worksheets
Class 4 EVS Worksheets
How Things are Made Chapter Notes
Materials Around Us
- Things around us are made of different materials.
- Paper is one of the most commonly used materials.
How Paper is Made
- Paper is made from trees (wood pulp).
- Many trees are cut to make paper.
- Making paper requires water and energy.
Recycling of Paper
- Recycling means making new paper from old paper.
- It helps to save trees and protect the environment.
Steps to Make Recycled Paper
- Tear old newspapers into small pieces
- Soak them in water with fenugreek seeds
- Mash or grind to form pulp
- Spread into thin sheets
- Dry the sheets
This forms new recycled paper.
Natural Colours
- Natural colours are made from plants (leaf, root, flower, etc.)
- Examples: turmeric (yellow), spinach (green), beetroot (red)
- These colours are safe and eco-friendly.
Types of Paper and Uses
- Writing paper – for writing
- Newspaper – for news
- Tissue paper – for cleaning (soft and absorbent)
- Cardboard – for making boxes
Importance of Saving Paper
- Paper production uses trees, water, and energy
- We should use paper carefully
The 5Rs of Waste Management
- Refuse – Say no to unnecessary items
- Reduce – Use less
- Reuse – Use again
- Repurpose – Use in a new way
Class 4 Science Chapter 8 Question Answers
Q1. What is paper made from?
Ans: Paper is made from trees (wood pulp).
Q2. What is recycling?
Ans: Recycling is the process of making new things from old materials.
Recycle – Convert into new products
Q3. Explain the 5Rs of waste management.
Ans: The 5Rs help reduce waste:
- Refuse: Avoid unnecessary items
- Reduce: Use less
- Reuse: Use items again
- Repurpose: Use items in new ways
- Recycle: Convert waste into new products
These steps help protect the environment.
Q4. Write different uses of paper.
Ans: Paper is used for writing, printing newspapers, cleaning (tissue paper), making boxes (cardboard), and making crafts like greeting cards.
Q5. Why is it important to use paper responsibly?
Ans: Paper is made from trees, and many trees are cut to produce it. Making paper also requires a lot of water and energy. If we waste paper, natural resources will be reduced. Therefore, we should use paper carefully and recycle it.
