Free · Class 6 · 7 worksheets · answer keys · practise online · set 4
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.
💡 Learn it first
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 4
Name: Date: Score: / 10
Answer the questions.
Lack of vitamin D causes ______. Name an animal that eats only plants. Name two foods rich in carbohydrates. Which nutrient helps our body grow and repair itself? Which disease is caused by the lack of vitamin C? What is roughage? Why do we need it? Night blindness is caused by the lack of vitamin ______. Lack of iron causes ______. Which solution is used to test for starch? What colour appears? Lack of iodine causes ______.
✅ Answer key — Food and nutrition
rickets e.g. cow, deer, goat (herbivore) e.g. rice, potato, wheat proteins scurvy fibre in food; it helps the body get rid of undigested food A anaemia iodine solution — blue-black goitre
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Materials and separation Class 6 · Worksheet 2 · set 4
Name: Date: Score: / 10
Answer the questions.
What is it called when heavier particles settle at the bottom of a liquid? Separating flour from bran using a sieve is called ______. How is salt obtained from sea water? Oiled paper is transparent, translucent or opaque? Which method separates stones from rice by hand? Is sugar soluble or insoluble in water? Is sand soluble or insoluble in water? Name a material that is opaque. Which method is used to separate tea leaves from tea? Which method separates husk from grain using wind?
✅ Answer key — Materials and separation
sedimentation sieving by evaporation translucent handpicking soluble insoluble e.g. wood, cardboard, metal filtration (using a strainer) winnowing
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Living things and our body Class 6 · Worksheet 3 · set 4
Name: Date: Score: / 10
Answer the questions.
Why does a cactus have spines instead of leaves? Name a plant that grows in water. The joint in our shoulder is a ______ joint. The joint in our knee is a ______ joint. Roots with one main root are called ______ roots. Which part of a plant makes food? Plants with weak stems that spread on the ground are called ______. The place where a plant or animal lives is its ______. Why do fish have gills? The bones that protect our heart and lungs form the ______.
✅ Answer key — Living things and our body
to lose less water e.g. lotus, water lily, hydrilla ball and socket hinge tap leaves creepers habitat to breathe oxygen dissolved in water rib cage
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Motion and measurement Class 6 · Worksheet 4 · set 4
Name: Date: Score: / 10
Answer the questions.
1 m = ______ cm Why should we not use a hand span to measure length? The motion of the blades of a fan is ______ motion. What is the motion of the Earth around the Sun? The motion of a car on a straight road is ______ motion. 1 km = ______ m How many millimetres are in 1 cm? The motion of a swing is ______ motion. What is the correct way to place the eye when reading a scale? What is the SI unit of length?
✅ Answer key — Motion and measurement
100 hand spans differ from person to person — not a standard unit circular circular / periodic rectilinear (straight-line) 1000 10 periodic (oscillatory) directly above the mark (not from the side) metre (m)
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Light, shadows and reflection Class 6 · Worksheet 5 · set 4
Name: Date: Score: / 10
Answer the questions.
What three things are needed to make a shadow? Can we see a shadow in a dark room? Name two luminous objects. Is the Moon luminous? What is the image in a pinhole camera like? Why is a shadow always black? Objects that give out their own light are called ______. The bouncing back of light from a shiny surface is called ______. A shadow forms when an ______ object blocks light. When is your shadow the shortest?
✅ Answer key — Light, shadows and reflection
a source of light, an opaque object and a screen No — a shadow needs light e.g. the Sun, a torch, a candle flame No — it reflects sunlight upside down (inverted) because no light reaches that area luminous reflection opaque at noon, when the Sun is overhead
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Electricity and magnets Class 6 · Worksheet 6 · set 4
Name: Date: Score: / 10
Answer the questions.
The two ends of a cell are called ______. Why are electric wires covered with plastic? The thin wire inside a bulb that glows is the ______. Name two conductors. A complete path for electric current is called a ______. A freely hanging magnet always points in the ______ direction. What does a switch do? Which materials are attracted by a magnet? Name two insulators. Like poles ______; unlike poles ______.
✅ Answer key — Electricity and magnets
terminals (positive and negative) plastic is an insulator — it keeps us safe from shocks filament e.g. copper, iron, aluminium circuit north–south it opens or closes a circuit magnetic materials — iron, nickel, cobalt e.g. plastic, rubber, wood repel; attract
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Water and air Class 6 · Worksheet 7 · set 4
Name: Date: Score: / 10
Answer the questions.
Which gas do plants take in to make food? Why does a burning candle go out when covered with a glass? The change of water vapour into water is called ______. Name two ways to save water. The layer of air around the Earth is called the ______. What are the three states of water? Which gas makes up most of the air? Which gas in air do we need to breathe? The change of water into vapour is called ______. Collecting rainwater for later use is called ______.
✅ Answer key — Water and air
carbon dioxide the oxygen inside gets used up condensation e.g. close the tap while brushing, collect rainwater atmosphere solid (ice), liquid (water), gas (water vapour) nitrogen (about 78%) oxygen evaporation 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.