Free · Class 6 · 7 worksheets · answer keys · practise online · set 15
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 15
Name: Date: Score: / 10
Answer the questions.
Lack of vitamin D causes ______. Lack of iron causes ______. Lack of iodine causes ______. Which nutrient helps our body grow and repair itself? Name two foods rich in carbohydrates. Name two foods rich in proteins. Name an animal that eats only plants. Which solution is used to test for starch? What colour appears? An animal that eats both plants and animals is called ______. Night blindness is caused by the lack of vitamin ______.
✅ Answer key — Food and nutrition
rickets anaemia goitre proteins e.g. rice, potato, wheat e.g. dal (pulses), eggs, milk, paneer e.g. cow, deer, goat (herbivore) iodine solution — blue-black an omnivore A
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Materials and separation Class 6 · Worksheet 2 · set 15
Name: Date: Score: / 10
Answer the questions.
Separating flour from bran using a sieve is called ______. Oiled paper is transparent, translucent or opaque? What is it called when heavier particles settle at the bottom of a liquid? Which method is used to separate tea leaves from tea? Is sugar soluble or insoluble in water? Name a material that is transparent. Name a material that is opaque. Is sand soluble or insoluble in water? How is salt obtained from sea water? Which method separates stones from rice by hand?
✅ Answer key — Materials and separation
sieving translucent sedimentation filtration (using a strainer) soluble e.g. glass, clean water, air e.g. wood, cardboard, metal insoluble by evaporation handpicking
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Living things and our body Class 6 · Worksheet 3 · set 15
Name: Date: Score: / 10
Answer the questions.
Why do fish have gills? How does an earthworm move? Roots with one main root are called ______ roots. Name a plant that grows in water. Plants with weak stems that spread on the ground are called ______. Why does a cactus have spines instead of leaves? The place where a plant or animal lives is its ______. Name three things all living things do. The joint in our knee is a ______ joint. How is a camel adapted to live in the desert?
✅ Answer key — Living things and our body
to breathe oxygen dissolved in water by stretching and shortening its body muscles, using tiny bristles tap e.g. lotus, water lily, hydrilla creepers to lose less water habitat e.g. grow, breathe, need food, reproduce, respond, excrete hinge 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 15
Name: Date: Score: / 10
Answer the questions.
1 m = ______ cm The motion of the blades of a fan is ______ motion. What is the motion of the Earth around the Sun? Name an instrument to measure a curved line. What is the correct way to place the eye when reading a scale? Why should we not use a hand span to measure length? How many millimetres are in 1 cm? Name one means of transport used in water. The motion of a car on a straight road is ______ motion. What is the SI unit of length?
✅ Answer key — Motion and measurement
100 circular circular / periodic a thread and a scale (or a measuring tape) directly above the mark (not from the side) hand spans differ from person to person — not a standard unit 10 e.g. boat, ship rectilinear (straight-line) metre (m)
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Light, shadows and reflection Class 6 · Worksheet 5 · set 15
Name: Date: Score: / 10
Answer the questions.
When is your shadow the shortest? Light travels in a ______ line. Is the Moon luminous? Why is a shadow always black? What is the image in a pinhole camera like? A shadow forms when an ______ object blocks light. The bouncing back of light from a shiny surface is called ______. Can we see a shadow in a dark room? Name two luminous objects. Name an object that is translucent.
✅ Answer key — Light, shadows and reflection
at noon, when the Sun is overhead straight No — it reflects sunlight because no light reaches that area upside down (inverted) opaque reflection No — a shadow needs light e.g. the Sun, a torch, a candle flame e.g. butter paper, frosted glass
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Electricity and magnets Class 6 · Worksheet 6 · set 15
Name: Date: Score: / 10
Answer the questions.
What does a switch do? Materials that allow electricity to pass are called ______. 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 ______. Name two insulators. Like poles ______; unlike poles ______. A complete path for electric current is called a ______. Name two conductors. Name the two poles of a magnet.
✅ Answer key — Electricity and magnets
it opens or closes a circuit conductors terminals (positive and negative) plastic is an insulator — it keeps us safe from shocks cell e.g. plastic, rubber, wood repel; attract circuit e.g. copper, iron, aluminium north pole and south pole
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Water and air Class 6 · Worksheet 7 · set 15
Name: Date: Score: / 10
Answer the questions.
Which gas in air do we need to breathe? The change of water into vapour is called ______. What are the three states of water? The layer of air around the Earth is called the ______. Why does a burning candle go out when covered with a glass? Name two ways to save water. Name something that shows air is present around us. Collecting rainwater for later use is called ______. Which gas do plants take in to make food? What is the water cycle?
✅ Answer key — Water and air
oxygen evaporation solid (ice), liquid (water), gas (water vapour) atmosphere the oxygen inside gets used up e.g. close the tap while brushing, collect rainwater e.g. moving leaves, a flying kite rainwater harvesting carbon dioxide 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.