Free · Class 6 · 7 worksheets · answer keys · practise online · set 93
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 93
Name: Date: Score: / 10
Answer the questions.
Which disease is caused by the lack of vitamin C? An animal that eats both plants and animals is called ______. Name an animal that eats only plants. What is roughage? Why do we need it? Name two foods rich in carbohydrates. Lack of iodine causes ______. Which nutrient helps our body grow and repair itself? Which solution is used to test for starch? What colour appears? A diet that has all nutrients in the right amount is called a ______ diet. Lack of vitamin D causes ______.
✅ Answer key — Food and nutrition
scurvy an omnivore e.g. cow, deer, goat (herbivore) fibre in food; it helps the body get rid of undigested food e.g. rice, potato, wheat goitre proteins iodine solution — blue-black balanced rickets
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Materials and separation Class 6 · Worksheet 2 · set 93
Name: Date: Score: / 10
Answer the questions.
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 floats on water. Name a material that is opaque. How is salt obtained from sea water? Butter is separated from curd by ______. Which method is used to separate tea leaves from tea? Separating flour from bran using a sieve is called ______. Which method separates husk from grain using wind?
✅ Answer key — Materials and separation
handpicking soluble insoluble e.g. wood, cork, plastic ball e.g. wood, cardboard, metal by evaporation churning filtration (using a strainer) sieving winnowing
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Living things and our body Class 6 · Worksheet 3 · set 93
Name: Date: Score: / 10
Answer the questions.
Why do fish have gills? The place where a plant or animal lives is its ______. Why does a cactus have spines instead of leaves? How does an earthworm move? How is a camel adapted to live in the desert? Name two non-living things. Plants with weak stems that spread on the ground are called ______. The joint in our shoulder is a ______ joint. The bones that protect our heart and lungs form the ______. Which part of a plant makes food?
✅ Answer key — Living things and our body
to breathe oxygen dissolved in water habitat to lose less water by stretching and shortening its body muscles, using tiny bristles long legs, wide feet for sand, can live without water for days, little sweat e.g. stone, chair creepers ball and socket rib cage leaves
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Motion and measurement Class 6 · Worksheet 4 · set 93
Name: Date: Score: / 10
Answer the questions.
The motion of a swing is ______ motion. 1 km = ______ m What is the motion of the Earth around the Sun? The motion of the blades of a fan is ______ motion. How many millimetres are in 1 cm? What is the SI unit of length? Name an instrument to measure a curved line. 1 m = ______ cm The motion of a car on a straight road is ______ motion. What is the correct way to place the eye when reading a scale?
✅ Answer key — Motion and measurement
periodic (oscillatory) 1000 circular / periodic circular 10 metre (m) a thread and a scale (or a measuring tape) 100 rectilinear (straight-line) directly above the mark (not from the side)
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Light, shadows and reflection Class 6 · Worksheet 5 · set 93
Name: Date: Score: / 10
Answer the questions.
What three things are needed to make a shadow? When is your shadow the shortest? Name two luminous objects. Is the Moon luminous? Objects that give out their own light are called ______. Name an object that is translucent. Light travels in a ______ line. What is the image in a pinhole camera like? Why is a shadow always black? A shadow forms when an ______ object blocks light.
✅ Answer key — Light, shadows and reflection
a source of light, an opaque object and a screen at noon, when the Sun is overhead e.g. the Sun, a torch, a candle flame No — it reflects sunlight luminous e.g. butter paper, frosted glass straight upside down (inverted) because no light reaches that area opaque
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Electricity and magnets Class 6 · Worksheet 6 · set 93
Name: Date: Score: / 10
Answer the questions.
Name two conductors. Like poles ______; unlike poles ______. A device that converts chemical energy into electricity is a ______. What does a switch do? The thin wire inside a bulb that glows is the ______. A complete path for electric current is called a ______. A freely hanging magnet always points in the ______ direction. Name two insulators. Which materials are attracted by a magnet? Name the two poles of a magnet.
✅ Answer key — Electricity and magnets
e.g. copper, iron, aluminium repel; attract cell it opens or closes a circuit filament circuit north–south e.g. plastic, rubber, wood magnetic materials — iron, nickel, cobalt north pole and south pole
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Water and air Class 6 · Worksheet 7 · set 93
Name: Date: Score: / 10
Answer the questions.
Name something that shows air is present around us. Which gas in air do we need to breathe? Which gas makes up most of the air? Which gas do plants take in to make food? Collecting rainwater for later use is called ______. Name two ways to save water. What are the three states of water? The change of water vapour into water is called ______. The layer of air around the Earth is called the ______. Why does a burning candle go out when covered with a glass?
✅ Answer key — Water and air
e.g. moving leaves, a flying kite oxygen nitrogen (about 78%) carbon dioxide rainwater harvesting e.g. close the tap while brushing, collect rainwater solid (ice), liquid (water), gas (water vapour) condensation atmosphere the oxygen inside gets used up
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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.