Free · Class 6 · 7 worksheets · answer keys · practise online · set 70
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 70
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Answer the questions.
Name an animal that eats only plants. Lack of iodine causes ______. Name the nutrient that gives us energy quickly. Night blindness is caused by the lack of vitamin ______. Which solution is used to test for starch? What colour appears? Name two foods rich in carbohydrates. A diet that has all nutrients in the right amount is called a ______ diet. Name two foods rich in proteins. Lack of iron causes ______. Which disease is caused by the lack of vitamin C?
✅ Answer key — Food and nutrition
e.g. cow, deer, goat (herbivore) goitre carbohydrates A iodine solution — blue-black e.g. rice, potato, wheat balanced e.g. dal (pulses), eggs, milk, paneer anaemia scurvy
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Materials and separation Class 6 · Worksheet 2 · set 70
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Answer the questions.
Which method separates husk from grain using wind? Which method is used to separate tea leaves from tea? What is it called when heavier particles settle at the bottom of a liquid? Is sand soluble or insoluble in water? Butter is separated from curd by ______. Name a material that floats on water. Separating flour from bran using a sieve is called ______. How is salt obtained from sea water? Which method separates iron pins from sand? Which method separates stones from rice by hand?
✅ Answer key — Materials and separation
winnowing filtration (using a strainer) sedimentation insoluble churning e.g. wood, cork, plastic ball sieving by evaporation using a magnet handpicking
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Living things and our body Class 6 · Worksheet 3 · set 70
Name: Date: Score: / 10
Answer the questions.
Name a plant that grows in water. Name three things all living things do. The joint in our knee is a ______ joint. Plants with weak stems that spread on the ground are called ______. The place where a plant or animal lives is its ______. The bones that protect our heart and lungs form the ______. Why does a cactus have spines instead of leaves? How does an earthworm move? Roots with one main root are called ______ roots. How is a camel adapted to live in the desert?
✅ Answer key — Living things and our body
e.g. lotus, water lily, hydrilla e.g. grow, breathe, need food, reproduce, respond, excrete hinge creepers habitat rib cage to lose less water by stretching and shortening its body muscles, using tiny bristles tap long legs, wide feet for sand, can live without water for days, little sweat
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Motion and measurement Class 6 · Worksheet 4 · set 70
Name: Date: Score: / 10
Answer the questions.
Name an instrument to measure a curved line. Name one means of transport used in water. The motion of the blades of a fan is ______ motion. What is the SI unit of length? 1 km = ______ m Why should we not use a hand span to measure length? 1 m = ______ cm The motion of a car on a straight road is ______ motion. How many millimetres are in 1 cm? The motion of a swing is ______ motion.
✅ Answer key — Motion and measurement
a thread and a scale (or a measuring tape) e.g. boat, ship circular metre (m) 1000 hand spans differ from person to person — not a standard unit 100 rectilinear (straight-line) 10 periodic (oscillatory)
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Light, shadows and reflection Class 6 · Worksheet 5 · set 70
Name: Date: Score: / 10
Answer the questions.
When is your shadow the shortest? Name an object that is translucent. Is the Moon luminous? Why is a shadow always black? What is the image in a pinhole camera like? What three things are needed to make a shadow? Light travels in a ______ line. A shadow forms when an ______ object blocks light. Name two luminous objects. Objects that give out their own light are called ______.
✅ Answer key — Light, shadows and reflection
at noon, when the Sun is overhead e.g. butter paper, frosted glass No — it reflects sunlight because no light reaches that area upside down (inverted) a source of light, an opaque object and a screen straight opaque e.g. the Sun, a torch, a candle flame luminous
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Electricity and magnets Class 6 · Worksheet 6 · set 70
Name: Date: Score: / 10
Answer the questions.
Which device uses a magnet to find directions? Name two conductors. A complete path for electric current is called a ______. What does a switch do? The two ends of a cell are called ______. Why are electric wires covered with plastic? Name two insulators. A freely hanging magnet always points in the ______ direction. A device that converts chemical energy into electricity is a ______. The thin wire inside a bulb that glows is the ______.
✅ Answer key — Electricity and magnets
a compass e.g. copper, iron, aluminium circuit it opens or closes a circuit terminals (positive and negative) plastic is an insulator — it keeps us safe from shocks e.g. plastic, rubber, wood north–south cell filament
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Water and air Class 6 · Worksheet 7 · set 70
Name: Date: Score: / 10
Answer the questions.
Collecting rainwater for later use is called ______. Name something that shows air is present around us. The layer of air around the Earth is called the ______. Name two ways to save water. Why does a burning candle go out when covered with a glass? The change of water into vapour is called ______. Which gas in air do we need to breathe? The change of water vapour into water is called ______. What are the three states of water? Which gas makes up most of the air?
✅ Answer key — Water and air
rainwater harvesting e.g. moving leaves, a flying kite atmosphere e.g. close the tap while brushing, collect rainwater the oxygen inside gets used up evaporation oxygen condensation solid (ice), liquid (water), gas (water vapour) nitrogen (about 78%)
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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.