Free · Class 6 · 7 worksheets · answer keys · practise online · set 25
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 25
Name: Date: Score: / 10
Answer the questions.
Which solution is used to test for starch? What colour appears? What is roughage? Why do we need it? Night blindness is caused by the lack of vitamin ______. Name two foods rich in proteins. Name an animal that eats only plants. Name the nutrient that gives us energy quickly. Lack of vitamin D causes ______. An animal that eats both plants and animals is called ______. Lack of iron causes ______. Lack of iodine causes ______.
✅ Answer key — Food and nutrition
iodine solution — blue-black fibre in food; it helps the body get rid of undigested food A e.g. dal (pulses), eggs, milk, paneer e.g. cow, deer, goat (herbivore) carbohydrates rickets an omnivore anaemia goitre
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Materials and separation Class 6 · Worksheet 2 · set 25
Name: Date: Score: / 10
Answer the questions.
Which method separates stones from rice by hand? Name a material that floats on water. Oiled paper is transparent, translucent or opaque? Which method is used to separate tea leaves from tea? Butter is separated from curd by ______. Name a material that is transparent. Which method separates iron pins from sand? How is salt obtained from sea water? What is it called when heavier particles settle at the bottom of a liquid? Separating flour from bran using a sieve is called ______.
✅ Answer key — Materials and separation
handpicking e.g. wood, cork, plastic ball translucent filtration (using a strainer) churning e.g. glass, clean water, air using a magnet by evaporation sedimentation sieving
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Living things and our body Class 6 · Worksheet 3 · set 25
Name: Date: Score: / 10
Answer the questions.
Name a plant that grows in water. Which part of a plant makes food? How is a camel adapted to live in the desert? Why does a cactus have spines instead of leaves? Plants with weak stems that spread on the ground are called ______. Why do fish have gills? The place where a plant or animal lives is its ______. The joint in our knee is a ______ joint. The bones that protect our heart and lungs form the ______. Name two non-living things.
✅ Answer key — Living things and our body
e.g. lotus, water lily, hydrilla leaves long legs, wide feet for sand, can live without water for days, little sweat to lose less water creepers to breathe oxygen dissolved in water habitat hinge rib cage e.g. stone, chair
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Motion and measurement Class 6 · Worksheet 4 · set 25
Name: Date: Score: / 10
Answer the questions.
What is the SI unit of length? 1 km = ______ m The motion of the blades of a fan is ______ motion. Why should we not use a hand span to measure length? 1 m = ______ cm What is the motion of the Earth around the Sun? Name one means of transport used in water. The motion of a car on a straight road is ______ motion. What is the correct way to place the eye when reading a scale? How many millimetres are in 1 cm?
✅ Answer key — Motion and measurement
metre (m) 1000 circular hand spans differ from person to person — not a standard unit 100 circular / periodic e.g. boat, ship rectilinear (straight-line) directly above the mark (not from the side) 10
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Light, shadows and reflection Class 6 · Worksheet 5 · set 25
Name: Date: Score: / 10
Answer the questions.
Is the Moon luminous? When is your shadow the shortest? What three things are needed to make a shadow? Light travels in a ______ line. What is the image in a pinhole camera like? Name an object that is translucent. The bouncing back of light from a shiny surface is called ______. A shadow forms when an ______ object blocks light. Why is a shadow always black? Objects that give out their own light are called ______.
✅ Answer key — Light, shadows and reflection
No — it reflects sunlight at noon, when the Sun is overhead a source of light, an opaque object and a screen straight upside down (inverted) e.g. butter paper, frosted glass reflection opaque because no light reaches that area luminous
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Electricity and magnets Class 6 · Worksheet 6 · set 25
Name: Date: Score: / 10
Answer the questions.
Name two insulators. Materials that allow electricity to pass are called ______. Which device uses a magnet to find directions? A freely hanging magnet always points in the ______ direction. The thin wire inside a bulb that glows is the ______. The two ends of a cell are called ______. Why are electric wires covered with plastic? A device that converts chemical energy into electricity is a ______. What does a switch do? Name the two poles of a magnet.
✅ Answer key — Electricity and magnets
e.g. plastic, rubber, wood conductors a compass north–south filament terminals (positive and negative) plastic is an insulator — it keeps us safe from shocks cell it opens or closes a circuit north pole and south pole
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Water and air Class 6 · Worksheet 7 · set 25
Name: Date: Score: / 10
Answer the questions.
Which gas makes up most of the air? What are the three states of water? The change of water vapour into water is called ______. Why does a burning candle go out when covered with a glass? The layer of air around the Earth is called the ______. The change of water into vapour is called ______. Name two ways to save water. Which gas do plants take in to make food? Name something that shows air is present around us. Collecting rainwater for later use is called ______.
✅ Answer key — Water and air
nitrogen (about 78%) solid (ice), liquid (water), gas (water vapour) condensation the oxygen inside gets used up atmosphere evaporation e.g. close the tap while brushing, collect rainwater carbon dioxide e.g. moving leaves, a flying kite rainwater harvesting
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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.