CBSETUTOR.aiCBSETUTOR.ai
India's #1 AI Tutorncert-solutions · Science · Chapter 6

NCERT Solutions for CBSE Class 6 Science Chapter 6: Materials Around Us

When your child opens their CBSE Class 6 Science textbook to Chapter 6 Materials Around Us, they step into the role of a scientist observing the world. This chapter is not about memorising definitions — it is about asking 'why is my water bottle made of plastic and not paper?' or 'why do we use steel for cooking vessels and cotton for clothes?'. The NCERT Solutions for CBSE Class 6 Science Chapter 6 Materials Around Us on this page walk through every in-text question, exercise, and activity with crystal-clear explanations rooted in the 2024-25 syllabus. Whether your child is preparing for a unit test, working on homework, or building curiosity about the materials that make up our homes and schools, these solutions offer step-by-step guidance, real Indian examples, and the reasoning skills CBSE examiners reward.

Your child's private AI tutor — trained on NCERT.
3-day free trial · ₹1 to start · Cancel anytime.
Start 3-day free trial →

Key takeaways

  • ✓CBSE Class 6 Science Chapter 6 Materials Around Us teaches classification of materials by observable properties — hardness, transparency, lustre, solubility, and density.
  • ✓The NCERT textbook uses everyday Indian examples: wood, metal, plastic, glass, cotton, and paper — materials students encounter in tiffin boxes, school bags, and clothing.
  • ✓Grouping materials helps us understand similarities and differences, predict behaviour (will it float? dissolve? break?), and choose the right material for a purpose.
  • ✓Transparency versus opacity: glass is transparent (we see through it clearly), butter paper is translucent (blurred vision), wood is opaque (no light passes).
  • ✓Lustre refers to shine: metals like copper and aluminium are lustrous; wood and rubber are non-lustrous.
  • ✓Solubility determines if a material dissolves in water — salt and sugar are soluble; sand and chalk powder are insoluble.
  • ✓Density affects whether materials float or sink: thermocol floats (less dense than water), iron nails sink (more dense).

Overview of CBSE Class 6 Science Chapter 6 Materials Around Us

CBSE Class 6 Science Chapter 6 Materials Around Us is the foundation chapter in the 'Materials' unit of the NCERT syllabus. It introduces students to the concept that everything around us — from the wooden desk to the steel spoon, from cotton shirts to glass windows — is made of materials with distinct properties. The chapter is structured around hands-on activities: students are encouraged to touch, observe, test in water, and classify objects from their own homes and classrooms. The learning objectives include understanding what properties are, why classification matters, and how material properties influence their uses. Unlike rote-heavy chapters, this one rewards curiosity and observation. The NCERT textbook explicitly avoids heavy jargon, instead using simple language and Indian examples like earthen matkas, jute bags, and aluminium foil. In the 2024-25 board pattern, questions from this chapter appear as 1-mark identification (name a transparent material), 2-mark reasoning (why is iron used for making nails?), and 3-mark activity-based questions (group ten objects by a property of your choice). Mastering CBSE Class 6 Science Chapter 6 Materials Around Us equips students with observational skills and scientific vocabulary that recur in Class 7 (Fibre to Fabric, Heat) and Class 8 (Materials: Metals and Non-Metals).
  • Chapter 6 is part of Unit II: Materials in the CBSE Class 6 Science syllabus.
  • Core properties covered: appearance (colour, lustre), feel (hard/soft, rough/smooth), transparency, solubility in water, and density (float/sink).
  • The NCERT book contains approximately 15–18 in-text and end-of-chapter questions; all are covered in these solutions.
  • Activity-based learning: students conduct simple experiments like the transparency test (hold materials against light) and the float-sink test (drop objects in water).
  • Typical exam weightage: 4–6 marks in the Class 6 terminal exam, often combined with Chapter 4 (Sorting Materials into Groups) in CBSE schools.

In-Text Questions: NCERT Page-by-Page Solutions for Materials Around Us

The NCERT Class 6 Science textbook for Chapter 6 scatters questions within the narrative to encourage active reading. These in-text questions are not just checkpoints — they are mini-investigations. For example, one in-text question asks, 'Collect five objects from your surroundings and group them as transparent, translucent, or opaque.' The solution approach: take a torch or hold each object against sunlight; if you see clearly through it (like a glass tumbler), it is transparent; if light passes but the image is blurred (like a plastic file cover), it is translucent; if no light passes (like a wooden ruler), it is opaque. Another in-text question directs students to test solubility: 'Take salt, sugar, chalk powder, and sand. Add a spoonful of each to separate glasses of water, stir, and observe.' The correct observation is that salt and sugar dissolve (the solution becomes clear or remains clear), while chalk powder and sand settle at the bottom or make the water cloudy without dissolving. These solutions are grounded in the scientific method: predict, test, observe, conclude. Parents often ask whether skipping in-text questions affects marks — the answer is yes, because CBSE examiners increasingly frame questions as 'Refer to Activity X in your textbook and answer...'. Completing in-text activities from CBSE Class 6 Science Chapter 6 Materials Around Us builds the habit of reading with a pencil and notebook in hand, a skill that pays dividends in higher classes.
  • In-text questions appear after every 2-3 paragraphs in the NCERT textbook.
  • They are designed to be answered through observation or simple home experiments.
  • Schools often include in-text activities in internal assessments or practical notebooks.
  • Answers should be written in the student's own words, citing observations — not copied verbatim from the text.

Exercise Questions and Answers: Complete End-of-Chapter Solutions

The exercise at the end of CBSE Class 6 Science Chapter 6 Materials Around Us typically contains 8–10 questions ranging from objective (fill in the blanks, match the following) to subjective (short answer, reasoning). Question 1 often asks students to classify a list of objects: 'Group the following as transparent, translucent, or opaque: glass window, tracing paper, cardboard, plastic bottle, wooden door.' The correct grouping is — Transparent: glass window, plastic bottle (if clear); Translucent: tracing paper; Opaque: cardboard, wooden door. Question 2 usually tests understanding of lustre: 'Name two lustrous materials and two non-lustrous materials.' Answer: Lustrous — silver jewellery, aluminium foil; Non-lustrous — rubber eraser, cotton cloth. A reasoning question might read: 'Ritu wants to make a see-through cover for her notebook. Should she use plastic sheet or chart paper? Give reason.' The answer is plastic sheet, because it is transparent (or translucent if the plastic is slightly frosted), allowing her to see the notebook cover underneath, whereas chart paper is opaque. Another common question is about solubility: 'Which of these will dissolve in water — sugar, oil, turmeric powder, common salt?' Answer: Sugar and common salt dissolve in water; oil does not mix/dissolve; turmeric powder may colour the water but does not truly dissolve (particles remain suspended). Every solution provided here is cross-checked against the 2024-25 NCERT answer key where available and expanded with reasoning that helps students write full-marks answers in exams.

Understanding Material Properties: Hard, Soft, Rough, Smooth

CBSE Class 6 Science Chapter 6 Materials Around Us introduces hardness and softness as relative properties — a material is hard if it is difficult to compress or scratch, and soft if it yields easily to pressure. The NCERT textbook gives examples: iron nails (hard), sponge (soft), wood (hard), cotton wool (soft). Students are asked to collect objects from home and classify them by touch. The classification is not always black and white: rubber is softer than steel but harder than foam. Similarly, rough and smooth refer to texture. Sandpaper is rough; a glass marble is smooth. The pedagogical goal is to teach students that properties exist on a spectrum and context matters. In the practical exam or internal assessment, a common task is to arrange five materials in order of increasing hardness — for instance, cotton < rubber < wood < glass < iron. The reasoning: you can compress cotton easily, you cannot compress iron. Understanding these properties helps answer application questions like 'Why are cricket bats made of wood and not glass?' (Wood is hard enough to hit a ball but less brittle than glass, which would shatter.) These are the kinds of everyday reasoning questions that CBSE examiners favour, and students who have done the tactile activities confidently write full answers. Parents can support learning by turning grocery shopping into a mini science lab — ask your child to identify three hard and three soft items in the vegetable aisle.
  • Hard materials: iron, stone, glass, dry wood, metal utensils.
  • Soft materials: cotton, sponge, foam, rubber, clay, butter.
  • Rough materials: sandpaper, tree bark, unpolished wood, jute cloth.
  • Smooth materials: glass, polished metal, plastic bottle, silk fabric.
  • Remember: hardness and texture are tested by physical observation, not guesswork.

Transparency, Translucency, and Opacity: Letting Light Through

One of the most tested concepts in CBSE Class 6 Science Chapter 6 Materials Around Us is the classification of materials based on how they interact with light. Transparent materials allow light to pass through completely, so we can see objects clearly on the other side — examples include clear glass, air, and clean water. Translucent materials allow some light to pass but scatter it, so we see a blurred or diffused image — examples include frosted glass, butter paper, and thin fabric. Opaque materials do not allow light to pass at all — examples include wood, metal, cardboard, and brick. The NCERT textbook suggests a simple test: hold the material between your eye and a light source (a bulb or the sun); if you see the bulb clearly, it is transparent; if you see a glow but not the bulb shape, it is translucent; if you see nothing, it is opaque. In exams, students often lose marks by confusing translucent and transparent — remember, translucent means partial, blurred transmission of light. A typical exam question: 'Why are spectacles made of transparent materials?' Answer: Because we need to see clearly through them; if they were translucent or opaque, vision would be blocked. Another question: 'Suggest a material for a bathroom window that allows light but not a clear view.' Answer: Frosted glass or translucent plastic sheet, because it is translucent. This topic often appears in 2-mark questions and is a favourite for practical demonstrations in school.

Lustre: The Shine of Materials

Lustre is the property of a material to shine or reflect light from its surface. CBSE Class 6 Science Chapter 6 Materials Around Us introduces lustre in the context of metals versus non-metals. Metals like gold, silver, copper, aluminium, and iron have a natural shine when their surface is clean and polished — this is called metallic lustre. Non-metals like wood, plastic, rubber, and paper do not have lustre; they appear dull. The NCERT textbook instructs students to observe objects around them and list five lustrous and five non-lustrous materials. Typical student answers include lustrous — steel spoon, brass diya, aluminium foil, gold ring, polished copper wire; non-lustrous — eraser, cloth, chalk, cardboard, wooden pencil. A common misconception is that shiny plastic toys are lustrous — clarify that lustre specifically refers to the natural shine of metals; plastics may be polished or coated to appear shiny but are not inherently lustrous in the scientific sense. In board exams, a 1-mark question might ask 'Name two lustrous materials' or 'Why do we polish metal objects?' (Answer: to restore or enhance their lustre by removing tarnish and dirt.) This concept connects forward to Class 8 Chapter on Metals and Non-Metals, where lustre becomes a defining property to distinguish the two categories.
  • Lustrous materials: gold, silver, copper, brass, stainless steel, aluminium.
  • Non-lustrous materials: wood, rubber, plastic, paper, cloth, stone.
  • Lustre is a surface property — a rusty iron nail loses its lustre, but polishing restores it.
  • In practical exams, students may be asked to identify lustrous vs non-lustrous objects from a given set.

Solubility in Water: Which Materials Dissolve?

Solubility is the ability of a material to dissolve in a liquid (usually water in Class 6 experiments). CBSE Class 6 Science Chapter 6 Materials Around Us includes hands-on activities where students add materials like salt, sugar, sand, chalk powder, sawdust, and oil to water and observe. Soluble materials dissolve completely — salt and sugar form clear solutions. Insoluble materials do not dissolve — sand and sawdust settle at the bottom, chalk powder makes the water cloudy but does not dissolve, and oil floats as a separate layer. The NCERT explanation emphasises stirring and waiting: sometimes a material takes time to dissolve (sugar crystals), but true insoluble materials will not dissolve no matter how long you stir. Students learn that solubility is a characteristic property — it helps us decide if a material is suitable for certain uses. For example, we choose materials that do not dissolve in water for making raincoats, umbrellas, and water bottles. In contrast, we rely on the solubility of soap and detergent in water for cleaning. Exam questions test application: 'Why is plastic used for making water bottles and not paper?' Answer: Plastic is insoluble in water and does not get soggy or dissolve; paper absorbs water and disintegrates. A 3-mark question might ask students to design an experiment to test solubility of three unknown powders and present the observations in a table.

Density and the Float-Sink Test

Density is introduced informally in CBSE Class 6 Science Chapter 6 Materials Around Us through the float-sink experiment. Students are asked to drop various objects into water and observe whether they float or sink. Materials less dense than water (like thermocol, wood, plastic bottles with caps on, and cork) float. Materials more dense than water (like iron nails, stones, coins, and glass marbles) sink. The NCERT textbook does not use the formula for density (that comes in Class 9 Physics), but helps students build an intuitive understanding: 'heavy for its size' materials sink, 'light for its size' materials float. A key learning point is that hollow objects can float even if the material itself is dense — an empty steel bowl floats because the air inside reduces the overall density, but a solid steel ball sinks. This concept often confuses students in exams. A typical 2-mark question: 'An iron nail sinks in water but a ship made of iron floats. Why?' Answer: The iron nail is solid and very dense. The ship is hollow with a large volume; the air inside makes the average density of the ship less than water, so it floats. Another question: 'Name two materials that float in water and two that sink.' Answer: Float — wood, thermocol; Sink — stone, copper coin. Encourage your child to do the float-sink activity at home with a bucket of water — it cements understanding far better than reading alone.
  • Materials that typically float: wood, cork, thermocol, plastic caps, dry leaves, wax.
  • Materials that typically sink: iron nails, stones, glass pieces, coins, ceramic tiles.
  • Hollow vs solid: an empty plastic bottle floats, but if you fill it with water (removing the air), it sinks.
  • Density is the reason oil floats on water and honey sinks to the bottom in a layered drink.

Grouping and Classifying Materials: Why It Matters

A central theme of CBSE Class 6 Science Chapter 6 Materials Around Us is that scientists group materials to study them systematically and make predictions. The NCERT textbook asks students to sort 10–15 everyday objects by one property (for example, all transparent objects in one group, all opaque in another), then re-sort by a different property (hard vs soft), and observe how groupings change. This teaches an important lesson: the same object can belong to different groups depending on the property we are examining. For instance, a glass bottle is transparent, hard, lustrous (if polished), insoluble, and sinks in water — it fits into multiple categories. Grouping helps in choosing materials for specific purposes. If we want a material for making windows, we choose from the transparent group. If we want a material for a cooking pot, we choose from the heat-resistant, hard, and durable group. The NCERT solutions emphasise that classification is not about memorising lists but about logical reasoning. Exam questions test this: 'You have to choose a material for making a rope. Would you choose cotton thread, plastic wire, or glass fibre? Give reasons.' Answer: Cotton thread is strong and flexible, suitable for making ropes; plastic wire may be strong but not flexible; glass fibre is brittle and would break under tension. Teaching classification also builds skills for biology (classifying living things) and chemistry (elements, compounds, mixtures) in higher grades.

Choosing the Right Material for the Right Purpose

CBSE Class 6 Science Chapter 6 Materials Around Us culminates in application-based reasoning: why do we use specific materials for specific objects? The NCERT textbook poses questions like 'Why is metal used for cooking utensils?', 'Why are clothes made from cotton or wool?', 'Why are electrical wires coated with plastic?'. The answer framework students must learn is: identify the required properties, then match a material that has those properties. For cooking utensils, we need materials that conduct heat well, do not melt or burn, and are durable — metals like aluminium and steel fit. For clothes, we need materials that are soft, breathable, absorb sweat, and comfortable against skin — cotton and wool fit. For electrical wire coating, we need materials that are insulators (do not conduct electricity), flexible, and durable — plastic fits. This reasoning is central to scoring full marks in 3-mark 'justify your choice' questions. A common exam question: 'Suggest a suitable material for making (i) window panes, (ii) a frying pan, (iii) a school bag. Give reasons.' Answer: (i) Glass — transparent, hard, allows light in; (ii) Aluminium or iron — conducts heat, withstands high temperature, durable; (iii) Cloth or synthetic fabric — light, flexible, strong enough to carry books. Parents, when your child asks 'why is our water bottle plastic?', turn it into a mini science discussion: plastic is light, insoluble, unbreakable (compared to glass), and inexpensive — perfect for a tiffin bag.
  • Utensils: metals (conduct heat, durable, non-toxic).
  • Clothing: cotton, wool, silk (soft, breathable, comfortable).
  • Windows: glass (transparent, hard, weather-resistant).
  • Raincoats: plastic or rubber-coated fabric (waterproof, flexible).
  • Furniture: wood or metal (hard, strong, long-lasting).
  • Electrical wire insulation: plastic or rubber (insulator, flexible).

Common Mistakes Students Make in Chapter 6 and How to Avoid Them

Even bright students stumble on certain recurring errors in CBSE Class 6 Science Chapter 6 Materials Around Us. Mistake 1: Confusing transparent and translucent. Remember, transparent means you see a clear image through the material; translucent means you see light but the image is blurred. A frosted bathroom window is translucent, not transparent. Mistake 2: Calling any shiny plastic 'lustrous'. Lustre is a property of metals; plastics can be shiny due to polish or coating but are scientifically non-lustrous. Mistake 3: Writing 'chalk powder dissolves in water'. It does not — it forms a suspension (particles float in water and settle later). Only materials like salt and sugar truly dissolve. Mistake 4: In the float-sink test, assuming all metals sink. A hollow metal container (like an empty aluminium can) floats if air is trapped inside. Teach your child to distinguish between the material's density and the object's overall density. Mistake 5: Not providing reasoning in application questions. If the question asks 'Why is wood used for furniture?', the answer 'because wood is hard' is incomplete. Full-marks answer: 'Wood is hard, strong, durable, easy to shape, and locally available, making it suitable for furniture.' CBSE mark schemes reward reasoning with connecting words like 'because', 'therefore', 'since'. Mistake 6: In grouping activities, students sometimes create overlapping or illogical groups — for example, putting 'red objects' and 'hard objects' in the same classification task. Grouping should be based on one property at a time unless the question asks for multiple criteria.
  • Always read the question carefully — does it ask for one example or two? One reason or two?
  • Use scientific terminology correctly: do not say 'dissolves' when you mean 'mixes' or 'floats'.
  • When describing experiments, mention the exact observation, not what you expected to see.
  • In fill-in-the-blanks, pay attention to singular/plural and tense of the missing word.

How CBSETUTOR.ai Helps Students Master Materials Around Us

CBSE Class 6 Science Chapter 6 Materials Around Us is observational and hands-on, but many students struggle to articulate what they see in scientifically precise language. This is where CBSETUTOR.ai becomes a shift. Imagine your child is stuck on the exercise question 'Why do we use glass for making windows and not wood?'. They know glass is see-through, but cannot frame the answer in full sentences. They open the CBSETUTOR.ai tutor (available 24×7 at ₹999 per month for Classes 6–12 with a 3-day free trial, no card required), type the question or snap a photo of the textbook page, and instantly receive a step-by-step explanation: 'We use glass because it is transparent — it allows light to enter the room and lets us see outside, while still providing a barrier against wind and rain. Wood is opaque, so it would block light and vision.' The AI tutor has ingested every NCERT textbook, so explanations are always curriculum-aligned. If the student then asks, 'What if I use plastic instead of glass?', the tutor responds with reasoning: 'Plastic can also be transparent and is lighter and safer than glass, but may not be as scratch-resistant or as clear over time.' This kind of Socratic, back-and-forth learning builds deep understanding. Parents love that the tutor never says 'I don't know' — whether it is a tricky grouping question, a practical activity doubt, or exam prep for a 3-mark application question, CBSETUTOR.ai delivers instant, accurate help any time of day. For one flat fee, your child gets a personal science tutor that never tires, covering every chapter from Class 6 through Class 12.
  • Upload a photo of any NCERT exercise question; get a complete, exam-ready answer in seconds.
  • Ask follow-up questions like 'Can you give another example?' or 'Why is this wrong?' — the AI adapts.
  • Revision mode: quiz yourself on definitions, properties, and examples before the term exam.
  • Works across all CBSE subjects and classes (6–12) for ₹999/month — no hidden charges or per-class fees.

Exam Preparation Strategy for CBSE Class 6 Science Chapter 6

Scoring full marks in CBSE Class 6 Science Chapter 6 Materials Around Us requires more than reading the textbook — it demands active practice and smart revision. Step 1: Complete all in-text activities physically. Do the transparency test with real objects, conduct the float-sink experiment, test solubility of five household substances. Examiners often ask 'Describe the activity you did in class to test transparency' — students who did the activity write confident, detailed answers. Step 2: Make a property chart. Draw a table with columns for Object, Hard/Soft, Transparent/Opaque, Lustrous/Non-lustrous, Soluble/Insoluble, Float/Sink. Fill in 15–20 objects. This one chart is a goldmine for revision. Step 3: Practice 2-mark and 3-mark reasoning questions. Do not just read sample answers — write them out in your notebook within time limits. CBSE marking is strict about keywords: if the answer key says 'because it is insoluble in water', you must use the word 'insoluble', not 'does not mix'. Step 4: Solve previous years' question papers. Chapter 6 questions are predictable in structure — transparency questions, solubility questions, choose-a-material questions. Spotting patterns builds confidence. Step 5: Revise using flashcards or quizzes. Make flashcards with a property on one side (e.g. 'lustrous') and examples on the other (gold, silver, copper). Quiz yourself or have a parent quiz you. Step 6: One week before the exam, summarise the chapter in 10–15 bullet points in your own words. This active recall cements memory far better than passive re-reading.

Connecting Chapter 6 to Real Life and Future Chapters

One reason students love CBSE Class 6 Science Chapter 6 Materials Around Us is its immediate real-world relevance. Every object in your home — the steel kadhai, the glass of water, the cotton bedsheet, the plastic comb — is an example from this chapter. Encourage your child to become a 'material detective': ask them to identify five materials in the kitchen and explain why each was chosen. Why is the cutting board made of wood or plastic? (Hard enough to cut on, does not dull the knife.) Why is the pressure cooker made of metal? (Withstands heat and pressure.) Why are dish towels made of cotton? (Absorbs water.) This habit of questioning and reasoning is the essence of scientific thinking. Looking ahead, Chapter 6 is foundational for Class 7 Science Chapter on Fibre to Fabric (where properties of cotton, wool, silk become central), Class 8 Metals and Non-Metals (where lustre, hardness, and density are defining properties), and Class 9 Chemistry on Separation of Mixtures (where solubility is key to purification techniques). The observational and classification skills learned here — how to define a property, test it, and use it for decision-making — are the bedrock of scientific literacy. Parents, do not underestimate this chapter as 'too simple' — the thinking patterns it teaches are sophisticated and transferable to biology, chemistry, and even everyday problem-solving.
  • Real-world application: choosing materials for a school project (cardboard for models, glue that dries transparent).
  • Career connection: material science engineers design new materials (lightweight alloys for aircraft, waterproof fabrics for sports gear).
  • Forward link to Class 7: understanding why cotton shrinks when washed (absorbs water, swells) relates to solubility and material behaviour.
  • Forward link to Class 9: density and buoyancy principles deepen the float-sink observations from Class 6.

Frequently asked questions

How many marks does CBSE Class 6 Science Chapter 6 Materials Around Us carry in the final exam?+
Chapter 6 typically carries 4–6 marks in the CBSE Class 6 Science terminal examination. Questions include 1-mark objective items (name a transparent material), 2-mark short answers (why is plastic used for bottles?), and occasionally a 3-mark reasoning or activity-based question. Some schools combine this chapter with Chapter 4 in a single unit test.
My child's school uses a different textbook — will these NCERT solutions still help?+
Yes, absolutely. CBSE mandates NCERT as the core curriculum for all affiliated schools. Even if your school uses a different publisher (like Living Science or Science Quest), the topics, terminology, and concepts are identical to NCERT because all must align with the CBSE syllabus. These solutions will directly support homework and exams.
What is the difference between transparent and translucent — my child keeps confusing them?+
Transparent means you can see clearly through the material (example: clear glass, clean water). Translucent means light passes through but you cannot see a clear image — the view is blurred or diffused (example: frosted glass, butter paper). Teach with a simple test: hold the material in front of a printed page; if you can read the text clearly, it is transparent; if the text is blurred, it is translucent; if you see nothing, it is opaque.
Does my child need to memorise the list of hard, soft, lustrous, and non-lustrous materials?+
Memorising is less important than understanding. Your child should know 4–5 clear examples of each property and be able to justify why. For instance, knowing that 'iron is hard because it resists scratching' is better than rote-listing 20 hard materials. Examiners reward reasoning over lists.
Why does NCERT stress hands-on activities so much in Chapter 6?+
Because material properties — hard/soft, transparent/opaque — are best understood by touch, sight, and experimentation. Reading 'wood is opaque' is abstract; holding a wooden ruler against a bulb and seeing no light pass through cements the concept in memory. CBSE increasingly includes activity-based questions in exams to reward experiential learning.
How should my child write answers for 'choose a material' reasoning questions to score full marks?+
Follow this structure: (1) State the chosen material. (2) List 2–3 relevant properties. (3) Connect each property to the purpose. Example: 'I would choose cotton for making a handkerchief because cotton is soft and gentle on the skin, it absorbs sweat and moisture easily, and it is washable and durable for repeated use.' This structured reasoning earns full marks.
Can an object float in water even if the material is heavier than water?+
Yes, if the object is hollow and has trapped air inside. A steel bowl floats because air inside reduces the overall density of the bowl below that of water. But a solid steel ball made of the same material will sink. This is why ships made of metal can float — their hulls contain large air-filled spaces.
What is the best way to revise CBSE Class 6 Science Chapter 6 Materials Around Us before the exam?+
Create a single-page summary chart listing properties down the left (transparency, lustre, hardness, solubility, density) and example materials across the top. Fill in yes/no or high/low for each cell. This visual map aids quick recall. Also practice writing 5–6 reasoning answers in full sentences. Finally, redo all NCERT exercise questions without looking at solutions.
Are there any common mistakes students make in this chapter that I should warn my child about?+
Yes. Common errors include: (1) confusing transparent and translucent, (2) saying chalk powder 'dissolves' when it only forms a suspension, (3) forgetting to give reasons in application questions, (4) using everyday language instead of scientific terms (saying 'see-through' instead of 'transparent'), and (5) not writing observations from actual experiments if asked to 'describe the activity'.
How is Chapter 6 connected to topics in higher classes?+
Chapter 6 lays the groundwork for Class 7 (Fibre to Fabric explores properties of cotton, wool, silk), Class 8 (Materials: Metals and Non-Metals uses lustre, hardness, density as defining properties), and Class 9 Chemistry (Separation of Mixtures relies on solubility; Is Matter Around Us Pure examines material classification in depth). The observational and reasoning skills from Class 6 recur throughout secondary science.
My child finds it hard to explain why we choose certain materials for objects — any tips?+
Teach the 'property-purpose match' method. First, ask: what does this object need to do? (Example: a window needs to let light in and protect from weather.) Second, ask: which properties match those needs? (Transparent, hard, weather-resistant.) Third, name a material with those properties (glass). Practice this reasoning with 10 everyday objects at home — it builds the thinking pattern that examiners look for.
Will practising only NCERT questions be enough, or should I buy additional reference books for Chapter 6?+
NCERT questions are sufficient for board exams — CBSE sets papers directly from NCERT. However, for deeper practice and variety, you can use NCERT Exemplar (published by NCERT itself) which has extra reasoning and HOTS questions. Avoid over-reliance on guides that give rote answers; focus on question-answer practice and understanding concepts. CBSETUTOR.ai also offers unlimited practice questions aligned to each chapter.

Related resources

CBSE Class 6 Science Chapter 6 Materials Around Us Worksheet with AnswersImportant Questions: CBSE Class 6 Science Chapter 6 Materials Around UsClass 6 Science Chapter 6 Materials Around Us — Formulas & Key PointsCBSE Class 6 Science Chapter 6 Materials Around Us — NotesAI Tutor for Class 6: The Smart Alternative to TuitionAI Tutor for Class 6 Maths: Learn Faster with Instant HelpOnline Class 9 Science Tutor in Mumbai – 24/7 CBSE-Aligned AI CoachingNCERT Solutions for CBSE Class 9 Mathematics Chapter 1: Number Systems

Keep learning — related guides

Class 6Science
CBSE Class 6 Science Chapter 12 Beyond Earth: Mind Map & Revision
Class 6Science
CBSE Class 6 Science Chapter 12 Beyond Earth — Notes
Class 6Science
CBSE Class 6 Science — Beyond Earth: complete chapter guide
Class 6Science
CBSE Class 6 Science Chapter 11 Nature's Treasures: mind map & revision
Class 6Science
NCERT Solutions for CBSE Class 6 Science Chapter 12: Beyond Earth
Class 6Science
CBSE Class 6 Science — Nature's Treasures: complete chapter guide

Ready to give your Class 6 child the tutor that never sleeps?

CBSETUTOR.ai covers every chapter in the Class 6 NCERT syllabus — Maths, Science, Social Science, English, Hindi and more. 24×7. Patient. Unlimited. 3-day free trial.

Start your child's 3-day free trial →