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Class 6 → Science → Chapter 6: Materials Around Us
I. Chapter Summary:
The chapter Materials Around Us introduces students to different types of materials found in our surroundings and their properties. It explains how materials are classified based on their characteristics such as appearance, hardness, solubility, transparency, and conductivity. Students learn to identify materials and understand their uses in daily life. This chapter helps in developing observation skills and scientific thinking.
II. Key Concepts Covered:
1. What are Materials?
Substances or things from which objects are made.
2. Classification of Materials
Materials are grouped based on their properties.
3. Properties of Materials
- Appearance: Shiny or dull
- Hardness: Hard or soft
- Solubility: Soluble or insoluble in water
- Transparency: Transparent, translucent, opaque
- Conductivity: Ability to conduct heat or electricity
4. Uses of Materials
Materials are chosen based on their properties.
5. Change in Materials
Some materials change on heating, cooling, or mixing.
III. Important Questions:
(A) MCQs (1 Mark):
- Which material is transparent?
(a) Wood
(b) Glass ✅
(c) Metal
(d) Rubber - Which material is soluble in water?
(a) Sand
(b) Salt ✅
(c) Plastic
(d) Stone - Hard materials are:
(a) Easy to cut
(b) Difficult to press or break ✅
(c) Always light
(d) Always soft - Metals are usually:
(a) Dull
(b) Soft
(c) Shiny ✅
(d) Transparent
IV. Short Answer Questions (2/3 Marks):
- What are materials?
- Define solubility with an example.
- What are transparent materials?
- Give examples of hard and soft materials.
V. Long Answer Questions (5 Marks):
- Explain different properties of materials.
- Describe classification of materials with examples.
- Explain why materials are chosen based on their properties.
- Discuss changes in materials with examples.
VI. HOTS Questions:
- Why is it important to study properties of materials?
- How does the choice of material affect the usefulness of an object?
VII. Key Formulas/Concepts:
Material Classification Concept
Materials are classified based on their propertiestext{Materials are classified based on their properties}Materials are classified based on their properties
VIII. Deleted Portions (CBSE 2025–2026):
No portions have been deleted from this chapter as per the rationalized NCERT textbooks.
IX. Chapter-Wise Marks Bifurcation (Estimated – CBSE 2025–2026):
| Unit/Chapter | Estimated Marks | Type of Questions Typically Asked |
|---|---|---|
| Materials Around Us | 5–7 Marks | MCQs, Short Answer, Concept-based |
Note: This is an estimate. Actual marks distribution may vary.
X. Previous Year Questions (PYQs):
1 Mark:
- What is a transparent material? (2019)
2/3 Marks:
- Define solubility. (2020)
- Give examples of hard materials. (2021)
5 Marks:
- Explain properties of materials. (2022)
XI. Real-World Application Examples:
- Choosing materials for making utensils
- Using glass for windows
- Selecting clothes based on weather
- Construction materials for buildings
XII. Student Tips & Strategies for Success:
Time Management:
- Revise concepts regularly.
Exam Preparation:
- Learn properties and examples clearly.
- Practice classification questions.
Stress Management:
- Observe materials around you.
- Take breaks while studying.
XIII. Career Guidance & Exploration:
- Science Stream: Material Science, Engineering
- Commerce Stream: Manufacturing business
- Arts Stream: Design and craft
Entrance Exams (Basic Awareness):
- JEE
- Polytechnic exams
XIV. Important Notes:
- Observe properties carefully.
- Understand classification clearly.
- Practice regularly.
- Refer to NCERT textbook.
- Revise frequently.