Free · Class 6 · 7 worksheets · answer keys · practise online · set 40
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 40
Name: Date: Score: / 10
Answer the questions.
Which solution is used to test for starch? What colour appears? Lack of iodine causes ______. Name the nutrient that gives us energy quickly. What is roughage? Why do we need it? Which disease is caused by the lack of vitamin C? Name two foods rich in proteins. Lack of iron causes ______. Lack of vitamin D causes ______. Night blindness is caused by the lack of vitamin ______. Name an animal that eats only plants.
✅ Answer key — Food and nutrition
iodine solution — blue-black goitre carbohydrates fibre in food; it helps the body get rid of undigested food scurvy e.g. dal (pulses), eggs, milk, paneer anaemia rickets A e.g. cow, deer, goat (herbivore)
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Materials and separation Class 6 · Worksheet 2 · set 40
Name: Date: Score: / 10
Answer the questions.
Separating flour from bran using a sieve is called ______. Name a material that floats on water. Name a material that is transparent. What is it called when heavier particles settle at the bottom of a liquid? Which method separates stones from rice by hand? Which method separates iron pins from sand? Name a material that is opaque. Butter is separated from curd by ______. Is sugar soluble or insoluble in water? Oiled paper is transparent, translucent or opaque?
✅ Answer key — Materials and separation
sieving e.g. wood, cork, plastic ball e.g. glass, clean water, air sedimentation handpicking using a magnet e.g. wood, cardboard, metal churning soluble translucent
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Living things and our body Class 6 · Worksheet 3 · set 40
Name: Date: Score: / 10
Answer the questions.
The bones that protect our heart and lungs form the ______. Plants with weak stems that spread on the ground are called ______. Name two non-living things. Name a plant that grows in water. Roots with one main root are called ______ roots. How is a camel adapted to live in the desert? How does an earthworm move? The joint in our knee is a ______ joint. Why does a cactus have spines instead of leaves? Why do fish have gills?
✅ Answer key — Living things and our body
rib cage creepers e.g. stone, chair e.g. lotus, water lily, hydrilla tap long legs, wide feet for sand, can live without water for days, little sweat by stretching and shortening its body muscles, using tiny bristles hinge to lose less water to breathe oxygen dissolved in water
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Motion and measurement Class 6 · Worksheet 4 · set 40
Name: Date: Score: / 10
Answer the questions.
What is the correct way to place the eye when reading a scale? Why should we not use a hand span to measure length? The motion of the blades of a fan is ______ motion. Name one means of transport used in water. How many millimetres are in 1 cm? Name an instrument to measure a curved line. The motion of a car on a straight road is ______ motion. 1 m = ______ cm The motion of a swing is ______ motion. What is the SI unit of length?
✅ Answer key — Motion and measurement
directly above the mark (not from the side) hand spans differ from person to person — not a standard unit circular e.g. boat, ship 10 a thread and a scale (or a measuring tape) rectilinear (straight-line) 100 periodic (oscillatory) metre (m)
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Light, shadows and reflection Class 6 · Worksheet 5 · set 40
Name: Date: Score: / 10
Answer the questions.
Light travels in a ______ line. Can we see a shadow in a dark room? Why is a shadow always black? What is the image in a pinhole camera like? The bouncing back of light from a shiny surface is called ______. Objects that give out their own light are called ______. Name an object that is translucent. A shadow forms when an ______ object blocks light. When is your shadow the shortest? Name two luminous objects.
✅ Answer key — Light, shadows and reflection
straight No — a shadow needs light because no light reaches that area upside down (inverted) reflection luminous e.g. butter paper, frosted glass opaque at noon, when the Sun is overhead e.g. the Sun, a torch, a candle flame
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Electricity and magnets Class 6 · Worksheet 6 · set 40
Name: Date: Score: / 10
Answer the questions.
Why are electric wires covered with plastic? The thin wire inside a bulb that glows is the ______. The two ends of a cell are called ______. Which device uses a magnet to find directions? Which materials are attracted by a magnet? Like poles ______; unlike poles ______. What does a switch do? Name two conductors. A freely hanging magnet always points in the ______ direction. Name two insulators.
✅ Answer key — Electricity and magnets
plastic is an insulator — it keeps us safe from shocks filament terminals (positive and negative) a compass magnetic materials — iron, nickel, cobalt repel; attract it opens or closes a circuit e.g. copper, iron, aluminium north–south e.g. plastic, rubber, wood
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Water and air Class 6 · Worksheet 7 · set 40
Name: Date: Score: / 10
Answer the questions.
What are the three states of water? Why does a burning candle go out when covered with a glass? Which gas in air do we need to breathe? What is the water cycle? Which gas do plants take in to make food? Name two ways to save water. The change of water into vapour is called ______. The layer of air around the Earth is called the ______. Collecting rainwater for later use is called ______. The change of water vapour into water is called ______.
✅ Answer key — Water and air
solid (ice), liquid (water), gas (water vapour) the oxygen inside gets used up oxygen the continuous movement of water from the Earth to the air and back as rain carbon dioxide e.g. close the tap while brushing, collect rainwater evaporation atmosphere rainwater harvesting condensation
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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.