Free · Class 6 · 7 worksheets · answer keys · practise online · set 74
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 74
Name: Date: Score: / 10
Answer the questions.
Which solution is used to test for starch? What colour appears? An animal that eats both plants and animals is called ______. Lack of iodine causes ______. Lack of vitamin D causes ______. Which nutrient helps our body grow and repair itself? 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
iodine solution — blue-black an omnivore goitre rickets proteins 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 74
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Answer the questions.
Which method is used to separate tea leaves from tea? Butter is separated from curd by ______. Name a material that floats on water. How is salt obtained from sea water? What is it called when heavier particles settle at the bottom of a liquid? Is sand soluble or insoluble in water? Name a material that is opaque. Which method separates husk from grain using wind? Is sugar soluble or insoluble in water? Separating flour from bran using a sieve is called ______.
✅ Answer key — Materials and separation
filtration (using a strainer) churning e.g. wood, cork, plastic ball by evaporation sedimentation insoluble e.g. wood, cardboard, metal winnowing soluble sieving
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Living things and our body Class 6 · Worksheet 3 · set 74
Name: Date: Score: / 10
Answer the questions.
Which part of a plant makes food? Roots with one main root are called ______ roots. The bones that protect our heart and lungs form the ______. Why do fish have gills? Plants with weak stems that spread on the ground are called ______. The joint in our shoulder is a ______ joint. Name two non-living things. The place where a plant or animal lives is its ______. How does an earthworm move? How is a camel adapted to live in the desert?
✅ Answer key — Living things and our body
leaves tap rib cage to breathe oxygen dissolved in water creepers ball and socket e.g. stone, chair habitat by stretching and shortening its body muscles, using tiny bristles 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 74
Name: Date: Score: / 10
Answer the questions.
What is the motion of the Earth around the Sun? How many millimetres are in 1 cm? Name one means of transport used in water. The motion of the blades of a fan is ______ motion. What is the correct way to place the eye when reading a scale? Why should we not use a hand span to measure length? 1 km = ______ m What is the SI unit of length? The motion of a car on a straight road is ______ motion. Name an instrument to measure a curved line.
✅ Answer key — Motion and measurement
circular / periodic 10 e.g. boat, ship circular directly above the mark (not from the side) hand spans differ from person to person — not a standard unit 1000 metre (m) rectilinear (straight-line) a thread and a scale (or a measuring tape)
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Light, shadows and reflection Class 6 · Worksheet 5 · set 74
Name: Date: Score: / 10
Answer the questions.
What three things are needed to make a shadow? A shadow forms when an ______ object blocks light. What is the image in a pinhole camera like? Is the Moon luminous? Name an object that is translucent. Light travels in a ______ line. When is your shadow the shortest? Can we see a shadow in a dark room? Objects that give out their own light are called ______. Name two luminous objects.
✅ Answer key — Light, shadows and reflection
a source of light, an opaque object and a screen opaque upside down (inverted) No — it reflects sunlight e.g. butter paper, frosted glass straight at noon, when the Sun is overhead No — a shadow needs light luminous e.g. the Sun, a torch, a candle flame
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Electricity and magnets Class 6 · Worksheet 6 · set 74
Name: Date: Score: / 10
Answer the questions.
A device that converts chemical energy into electricity is a ______. The two ends of a cell are called ______. The thin wire inside a bulb that glows is the ______. Materials that allow electricity to pass are called ______. A freely hanging magnet always points in the ______ direction. Like poles ______; unlike poles ______. A complete path for electric current is called a ______. What does a switch do? Name two insulators. Name two conductors.
✅ Answer key — Electricity and magnets
cell terminals (positive and negative) filament conductors north–south repel; attract circuit it opens or closes a circuit e.g. plastic, rubber, wood e.g. copper, iron, aluminium
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Water and air Class 6 · Worksheet 7 · set 74
Name: Date: Score: / 10
Answer the questions.
Which gas do plants take in to make food? Collecting rainwater for later use is called ______. What is the water cycle? The change of water into vapour is called ______. The change of water vapour into water is called ______. Name something that shows air is present around us. What are the three states of water? Which gas in air do we need to breathe? Why does a burning candle go out when covered with a glass? Which gas makes up most of the air?
✅ Answer key — Water and air
carbon dioxide rainwater harvesting the continuous movement of water from the Earth to the air and back as rain evaporation condensation e.g. moving leaves, a flying kite solid (ice), liquid (water), gas (water vapour) oxygen the oxygen inside gets used up 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.