Free · Class 6 · 7 worksheets · answer keys · practise online · set 65
Science worksheets for Class 6 — with answers
Free CBSE Class 6 science worksheets: food and nutrition, materials and separation, living things, motion and measurement, light and shadows, electricity and magnets, water and air — with answers.
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Each sheet covers one topic of the Class 6 science syllabus (NCERT). Read the chapter first, then answer without looking. Answers are short — one word or one line. In the exam, write a full sentence. Press “🔄 New set” to shuffle the questions for revision.
Food and nutrition (Class 6) Materials and separation (Class 6) Living things and our body (Class 6) Motion and measurement (Class 6) Light, shadows and reflection (Class 6) Electricity and magnets (Class 6) Water and air (Class 6)
Food and nutrition Class 6 · Worksheet 1 · set 65
Name: Date: Score: / 10
Answer the questions.
Night blindness is caused by the lack of vitamin ______. Lack of iron causes ______. An animal that eats both plants and animals is called ______. Which disease is caused by the lack of vitamin C? Name an animal that eats only plants. Lack of vitamin D causes ______. Which solution is used to test for starch? What colour appears? Which nutrient helps our body grow and repair itself? A diet that has all nutrients in the right amount is called a ______ diet. Lack of iodine causes ______.
✅ Answer key — Food and nutrition
A anaemia an omnivore scurvy e.g. cow, deer, goat (herbivore) rickets iodine solution — blue-black proteins balanced goitre
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Materials and separation Class 6 · Worksheet 2 · set 65
Name: Date: Score: / 10
Answer the questions.
Name a material that is opaque. Which method separates stones from rice by hand? Separating flour from bran using a sieve is called ______. Name a material that is transparent. Is sand soluble or insoluble in water? Name a material that floats on water. How is salt obtained from sea water? Which method separates husk from grain using wind? Oiled paper is transparent, translucent or opaque? Which method is used to separate tea leaves from tea?
✅ Answer key — Materials and separation
e.g. wood, cardboard, metal handpicking sieving e.g. glass, clean water, air insoluble e.g. wood, cork, plastic ball by evaporation winnowing translucent filtration (using a strainer)
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Living things and our body Class 6 · Worksheet 3 · set 65
Name: Date: Score: / 10
Answer the questions.
Why does a cactus have spines instead of leaves? The bones that protect our heart and lungs form the ______. Why do fish have gills? The joint in our shoulder is a ______ joint. Name two non-living things. Roots with one main root are called ______ roots. The place where a plant or animal lives is its ______. How is a camel adapted to live in the desert? Name a plant that grows in water. Name three things all living things do.
✅ Answer key — Living things and our body
to lose less water rib cage to breathe oxygen dissolved in water ball and socket e.g. stone, chair tap habitat long legs, wide feet for sand, can live without water for days, little sweat e.g. lotus, water lily, hydrilla e.g. grow, breathe, need food, reproduce, respond, excrete
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Motion and measurement Class 6 · Worksheet 4 · set 65
Name: Date: Score: / 10
Answer the questions.
What is the SI unit of length? The motion of a car on a straight road is ______ motion. The motion of a swing is ______ motion. What is the motion of the Earth around the Sun? Name an instrument to measure a curved line. 1 m = ______ cm Name one means of transport used in water. What is the correct way to place the eye when reading a scale? Why should we not use a hand span to measure length? 1 km = ______ m
✅ Answer key — Motion and measurement
metre (m) rectilinear (straight-line) periodic (oscillatory) circular / periodic a thread and a scale (or a measuring tape) 100 e.g. boat, ship directly above the mark (not from the side) hand spans differ from person to person — not a standard unit 1000
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Light, shadows and reflection Class 6 · Worksheet 5 · set 65
Name: Date: Score: / 10
Answer the questions.
Light travels in a ______ line. Is the Moon luminous? Can we see a shadow in a dark room? The bouncing back of light from a shiny surface is called ______. Why is a shadow always black? A shadow forms when an ______ object blocks light. What is the image in a pinhole camera like? Name two luminous objects. When is your shadow the shortest? What three things are needed to make a shadow?
✅ Answer key — Light, shadows and reflection
straight No — it reflects sunlight No — a shadow needs light reflection because no light reaches that area opaque upside down (inverted) e.g. the Sun, a torch, a candle flame at noon, when the Sun is overhead a source of light, an opaque object and a screen
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Electricity and magnets Class 6 · Worksheet 6 · set 65
Name: Date: Score: / 10
Answer the questions.
Name two conductors. Name two insulators. Why are electric wires covered with plastic? Which materials are attracted by a magnet? A freely hanging magnet always points in the ______ direction. Name the two poles of a magnet. Which device uses a magnet to find directions? A complete path for electric current is called a ______. Materials that allow electricity to pass are called ______. What does a switch do?
✅ Answer key — Electricity and magnets
e.g. copper, iron, aluminium e.g. plastic, rubber, wood plastic is an insulator — it keeps us safe from shocks magnetic materials — iron, nickel, cobalt north–south north pole and south pole a compass circuit conductors it opens or closes a circuit
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Water and air Class 6 · Worksheet 7 · set 65
Name: Date: Score: / 10
Answer the questions.
The change of water into vapour is called ______. Name something that shows air is present around us. Which gas do plants take in to make food? Name two ways to save water. Why does a burning candle go out when covered with a glass? Which gas makes up most of the air? The change of water vapour into water is called ______. Which gas in air do we need to breathe? Collecting rainwater for later use is called ______. What is the water cycle?
✅ Answer key — Water and air
evaporation e.g. moving leaves, a flying kite carbon dioxide e.g. close the tap while brushing, collect rainwater the oxygen inside gets used up nitrogen (about 78%) condensation oxygen rainwater harvesting the continuous movement of water from the Earth to the air and back as rain
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Questions
Are these worksheets based on the CBSE syllabus? Yes — they follow the topics of the NCERT Class 6 science book (food, materials, living things, motion, light, electricity, magnets, water and air).
Are these worksheets free? Yes — print them or save as PDF free. Every worksheet has an answer key.
How do I get different questions? Press “🔄 New set” — the questions change (maths numbers are new every time; English sentences are shuffled).
How do I print only one worksheet? Press “🖨️ Print” on that worksheet. Tick “with answer key” if you want the answers on a second page.
Can my child do this worksheet online, like a quiz? Yes — press “▶️ Practise online” on any worksheet. The questions come one at a time with instant marking, a score at the end and a review of mistakes. No sign-in is needed.