Important Questions: CBSE Class 6 Science Chapter 6 Materials Around Us
Chapter 6 Materials Around Us introduces Class 6 students to the fascinating world of material science. Every object we use daily — from steel tumblers to cotton shirts — is made from materials chosen for specific properties. The CBSE curriculum expects students to classify materials, understand properties like lustre and solubility, and apply this knowledge to real-world choices. This question bank mirrors the exact pattern and difficulty level of CBSE periodic tests and annual exams.
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Key takeaways
- ✓Materials Around Us carries approximately 4-6 marks in CBSE Class 6 Science annual exams through MCQs and short-answer questions
- ✓Master the classification of materials by observable properties — hardness, transparency, lustre, solubility, and density
- ✓CBSE frequently asks application-based questions: why specific materials are chosen for utensils, clothing, or furniture
- ✓Understand the difference between transparent, translucent, and opaque materials with everyday examples
- ✓Practice grouping materials into categories; this skill appears in 2-3 mark descriptive questions regularly
- ✓Case-based questions now include real-life scenarios such as choosing fabric for raincoats or materials for cooking vessels
Chapter Overview and Marks Weightage in CBSE Exams
Materials Around Us is a foundational chapter in CBSE Class 6 Science, typically carrying 4-6 marks in the annual examination. The chapter appears in periodic assessments with 2-3 questions, often one MCQ (1 mark), one short answer (2 marks), and occasionally a case-based or long answer question (3-5 marks). The 2024-25 CBSE assessment pattern emphasises competency-based questions, so expect scenarios where students must justify material selection for objects. Topics like grouping materials and choosing materials for objects are high-yield areas. Understanding the difference between transparent, translucent, and opaque materials is tested almost every year. Density and solubility questions require clear concept application rather than rote memory.
- Expected weightage: 4-6 marks out of 80 in the annual exam
- Common question types: 1-2 MCQs, 1 short answer (2 marks), 1 application-based question (3 marks)
- High-frequency topics: classification by properties, choosing materials for utensils and clothing, transparency types
- Practical skills tested: ability to group objects, explain why glass is used for windows or plastic for bottles
1-Mark Questions: MCQs and Very Short Answer (VSA)
One-mark questions test quick recall and fundamental understanding. CBSE Class 6 Science papers include 3-4 MCQs from this chapter or one VSA. These questions focus on definitions, identification of properties, and basic classification. Students must answer in one word, one sentence, or by selecting the correct option. Accuracy is key; no partial marking is awarded for 1-mark MCQs. Practice these questions under timed conditions to improve speed during the actual exam.
2-Mark Questions: Short Answer Type
Two-mark questions require brief explanations or two distinct points. CBSE examiners look for clarity and use of correct NCERT terminology. A 2-mark answer should contain 25-35 words, structured as two clear sentences or two bullet points. Common question types include distinguishing between two properties, giving examples with justification, or explaining why a particular material is suitable for an object. Always link your answer to observable properties mentioned in NCERT — hard/soft, transparent/opaque, lustre, solubility, density.
3-Mark Questions: Application and Reasoning
Three-mark questions test deeper understanding and application skills. Expect scenario-based questions where you must explain the choice of material for a specific purpose, justify grouping, or compare properties. A complete 3-mark answer should be 50-60 words, structured in three clear points or a short paragraph with three distinct ideas. CBSE values logical reasoning and correct use of scientific terms. Always give examples from daily life — kitchen utensils, clothing, furniture — to support your answer. Diagrams are not usually required but labelling material types (metal, plastic, wood) can earn you appreciation marks.
5-Mark Questions and Case-Based Questions
Five-mark questions are the longest in CBSE Class 6 Science exams and test comprehensive understanding. These may be traditional long-answer questions or case-based questions with a short paragraph followed by 3-4 sub-questions. For traditional questions, structure your answer in 4-5 clear points, totalling 90-120 words. Use subheadings if listing properties or examples. For case-based questions, read the scenario carefully and answer each sub-part with reference to the context given. CBSE introduced case-based questions from 2021 onwards to assess real-world application. Expect scenarios like selecting materials for building a house, designing a raincoat, or choosing utensils for different cooking methods.
How CBSE Frames Questions from Materials Around Us
Understanding the CBSE question-setting pattern helps students prepare smarter. Examiners for Class 6 Science follow the NCERT textbook closely but add twists through real-life contexts. Questions are rarely direct 'define lustre' or 'what is transparency' anymore. Instead, CBSE asks 'Why is a mirror made of glass with a metal coating?' or 'Why do we use terracotta pots for storing water in summer?' This tests whether students can connect properties to practical applications. The shift since 2021 is towards competency-based assessment, meaning students must analyse, apply, and justify, not just recall. Questions on grouping materials often ask students to create their own classification system, testing creativity alongside concept clarity.
- Application-based: 60-70% of questions link material properties to everyday objects or situations
- Comparative questions: 'Why is material A chosen over material B for object X?' appears in 2-3 mark questions
- Grouping exercises: Students may be given 6-8 objects and asked to classify them by two or more properties
- Justification required: Simply naming a property is not enough; explain why that property matters for the use
- Diagram-based: Occasionally, a picture of objects is shown and students identify materials and their properties
- Negative marking in MCQs: Some schools apply -0.25 for wrong answers in internal assessments, so guess wisely
Common Mistakes Students Make and How to Avoid Them
Even bright students lose marks in Materials Around Us due to avoidable errors. One frequent mistake is confusing translucent with transparent. Remember: transparent means you can see objects clearly (like window glass), translucent means light passes but objects appear blurred (like butter paper), and opaque means no light passes (like a brick wall). Another error is writing 'iron' or 'steel' when asked for a property — iron is a material, hardness is a property. In application questions, students often name a material without explaining the relevant property; always state the property first, then link it to the material. For example, do not write 'Glass is used for windows because it is glass' — write 'Glass is transparent, allowing light to enter, so it is used for windows.' Spelling errors like 'luster' instead of 'lustre' (Indian English) or 'soluable' instead of 'soluble' cost easy marks.
- Mixing up transparent, translucent, and opaque — make a flashcard with clear examples for each
- Naming a material instead of a property when asked to classify (e.g. writing 'metal' instead of 'hard')
- Forgetting to justify: always say why a property makes a material suitable for a purpose
- Overlooking NCERT terminology: use 'lustre' not 'shine', 'solubility' not 'dissolving power'
- Incomplete answers in 3-mark questions — aim for three distinct points, not one long sentence
- Not reading case-based scenarios carefully; answer exactly what each sub-part asks, do not mix them up
Topical Question Bank: Grouping and Choosing Materials
Grouping materials and choosing materials for objects are the two pillars of Chapter 6. Questions on grouping test your ability to classify objects by observable properties. You might be given a list — wooden chair, steel spoon, glass tumbler, rubber band, copper wire, cotton shirt — and asked to group them by hardness or transparency. Choosing materials questions ask why a particular material is selected for a specific function. For instance, why is jute used for making ropes or why is rubber used for tyres. The key is to match the material's properties (strength, flexibility, water resistance) to the object's requirements. Practice creating your own grouping tables and justify each choice in writing.
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Revision Strategy for Scoring Full Marks in This Chapter
To score full marks in Materials Around Us, follow a three-step revision strategy. First, create a property chart listing hardness, transparency, lustre, solubility, and density down one column and at least five everyday objects across the top row. Fill in the chart by observation and NCERT reference. This visual aid helps during quick revision before exams. Second, practice writing 2-mark and 3-mark answers within time limits — set a timer for 2 minutes per 2-mark question. This builds speed and clarity. Third, solve at least two previous years' question papers or sample papers to understand how CBSE phrases questions. Pay special attention to case-based questions introduced in recent years. Finally, revise NCERT 'Let Us Observe' and 'Let Us Discuss' sections; these often become the basis for tricky application questions.
- Make a property chart of 10 common materials with all five key properties marked
- Time yourself: 2-mark answers in 2 minutes, 3-mark in 3.5 minutes during mock tests
- Solve CBSE sample papers 2023, 2024 to see the latest question pattern and case studies
- Highlight keywords in questions — 'explain why', 'give reason', 'classify' — and answer exactly what is asked
- Revise NCERT 'Activities' and 'Think and Answer' boxes; they are high-yield for exam questions
- Do a final one-day revision using your property chart and flashcards 48 hours before the exam
Frequently asked questions
How many marks does Chapter 6 Materials Around Us carry in CBSE Class 6 Science annual exam?+
This chapter typically carries 4-6 marks in the 80-mark annual exam, including 1-2 MCQs, one short answer question (2 marks), and occasionally a 3-mark application-based or case-based question.
What is the difference between transparent, translucent, and opaque materials?+
Transparent materials like clear glass allow light to pass completely and objects can be seen clearly. Translucent materials like butter paper allow light but objects appear blurred. Opaque materials like wood do not allow any light to pass through.
Why are most cooking utensils made of metals but handles are made of plastic or wood?+
Metals are good conductors of heat, helping food cook evenly and quickly. Plastic and wood are poor conductors (insulators), so handles made of these materials do not get hot and prevent burns.
What are the most important topics in Materials Around Us for CBSE exams?+
The most important topics are classification of materials by properties (hardness, transparency, lustre, solubility), grouping materials, and choosing appropriate materials for objects like utensils, clothing, and windows. Application-based questions are common.
How should I prepare for case-based questions from this chapter?+
Read the scenario carefully, underline key details, and answer each sub-part separately with reference to material properties. Practice sample case studies from CBSE sample papers 2023 and 2024 to get familiar with the format.
Can I score full marks if I just memorise NCERT text for this chapter?+
Memorising alone will not help because CBSE now asks application and reasoning questions. You must understand why materials are chosen for specific purposes and be able to explain properties in your own words with real-life examples.
What is lustre and which materials have it?+
Lustre is the shiny appearance of a material. Metals like copper, gold, silver, and aluminium have lustre. Non-metals like wood, plastic, and rubber generally do not have lustre.
How do I avoid losing marks for incomplete answers in 3-mark questions?+
Structure your answer in three clear points or sentences. Use bullet points if allowed. Each point should cover one distinct idea or property. Avoid writing one long paragraph; examiners award marks per point, not per paragraph.
Is density tested in CBSE Class 6 exams for this chapter?+
Density is mentioned in NCERT but is not asked in detail at Class 6 level. However, you may get a simple question like 'Why does wood float on water?' Answer: Wood is less dense than water, so it floats.
Where can I find model answers and instant doubt solving for Materials Around Us?+
CBSETUTOR.ai provides 24×7 AI-powered doubt solving, model answers for NCERT questions, and step-by-step explanations. You can upload photos of your queries and get instant help. It costs ₹999/month for all subjects, Classes 6-12, with a 3-day free trial.
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