6th Science Term 1 Evaluation Questions-2026

6th Standard Science

Term – I

Evaluation Questions

Chapter-wise Question Bank | English Medium

6ஆம் வகுப்பு அறிவியல் – முதல் பருவம் பாடங்களில் உள்ள Evaluation பகுதியில் இடம்பெற்றுள்ள வினாக்கள் பாடவாரியாக இங்கு தொகுக்கப்பட்டுள்ளன.

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1. Measurements
2. Force and Motion
3. Matter Around Us
4. The World of Plants
5. The World of Animals
6. Health and Hygiene
7. Computer – An Introduction

1. Measurements

I. Choose the correct answer.

1. The height of a tree can be measured by
   a) metre scale    b) metre rod    c) plastic ruler    d) measuring tape
2. Conversion of 7 m into cm gives _____
   a) 70 cm    b) 7 cm    c) 700 cm    d) 7000 cm
3. Quantity that can be measured is called ____
   a) physical quantity    b) measurement    c) unit    d) motion
4. Choose the correct one.
   a) km > mm > cm > m
   b) km > mm > m > cm
   c) km > m > cm > mm
   d) km > cm > m > mm
5. While measuring the length of an object using a ruler, the position of your eye should be
   a) left side of the point.
   b) vertically above the point where the measurement is to be taken.
   c) right side of the point.
   d) anywhere according to one's convenience.

II. Fill in the blanks.

1. SI Unit of length is __________.
2. 500 gm = __________ kilogram.
3. The distance between Delhi and Chennai can be measured in __________.
4. 1 m = __________ cm.
5. 5 km = __________ m.

III. State True or False. If false, correct the statement.

1. We can say that mass of an object is 126 kg.
2. Length of one’s chest can be measured using metre scale.
3. Ten millimetre makes one centimetre.
4. A hand span is a reliable measure of length.
5. The SI system of units is accepted everywhere in the world.

IV. Complete the analogy.

1. Sugar : Beam balance :: Lime juice : __________?
2. Height of a person : cm :: Length of your sharpened pencil lead : __________?
3. Milk : Volume :: Vegetables : __________?

V. Match the following.

1. Length of the fore arm – Cubit
2. SI unit of length – metre
3. Nano – 10⁻⁹
4. SI Unit of time – second
5. Kilo – 10³

VI. Arrange the following in increasing order of unit.

1. 1 metre, 1 centimetre, 1 kilometre, and 1 millimetre.

VII. Answer in a word or two.

1. What is the full form of SI system?
2. Name any one instrument used for measuring mass.
3. Find the odd one out: kilogram, millimetre, centimetre, nanometre.
4. What is the SI Unit of mass?
5. What are the two parts present in a measurement?

VIII. Find the answer for the following questions within the grid.

1. 10⁻³ is one __________.
2. SI Unit of time is __________.
3. Cross view of reading a measurement leads to __________.
4. __________ is the one what a clock reads.
5. __________ is the amount of substance present in an object.
6. __________ can be taken to get the final reading of the recordings of different students for a single measurement.
7. __________ is a fundamental quantity.
8. __________ shows the distance covered by an automobile.
9. A tailor uses __________ to take measurements to stitch the cloth.
10. Liquids are measured with this physical quantity: __________.

IX. Answer briefly.

1. Define measurement.
2. Define mass.
3. The distance between two places is 43.65 km. Convert it into metre and cm.
4. What are the rules to be followed to make accurate measurement with scale?

X. Solve the following.

1. The distance between your school and your house is 2250 m. Express this distance in kilometre.
2. While measuring the length of a sharpened pencil, reading of the scale at one end is 2.0 cm and at the other end is 12.1 cm. What is the length of the pencil?

XI. Answer in detail.

1. Explain two methods that you can use to measure the length of a curved line.

XII. Fill in the following chart.

1. Complete the table with the following headings: Property – Definition – Basic Unit – Instrument used for measuring. Rows: Length, Mass, Volume, Time.

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2. Force and Motion

I. Choose the correct answer.

1. Unit of speed is
   a) m    b) s    c) kg    d) m/s
2. Which among the following is an oscillatory motion?
   a) Rotation of the earth about its axis
   b) Revolution of the moon about the earth
   c) To and fro movement of a vibrating string
   d) All of these.
3. The correct relation among the following is
   a) Speed = Distance × Time
   b) Speed = Distance / Time
   c) Speed = Time / Distance
   d) Speed = 1 / (Distance × Time)
4. Gita travels with her father in a bike to her uncle’s house which is 40 km away from her home. She takes 40 minutes to reach there.
   Statement 1: She travels at a speed of 1 km / minute.
   Statement 2: She travels at a speed of 1 km/hour.
   a) Statement 1 alone is correct.
   b) Statement 2 alone is correct.
   c) Both statements are correct.
   d) Neither statement 1 nor statement 2 is correct.

II. Fill in the blanks.

1. A bike moving on a straight road is an example for __________ motion.
2. Gravitational force is a __________ force.
3. Motion of a potter’s wheel is an example for __________ motion.
4. When an object covers equal distances in equal interval of time, it is said to be __________ motion.

III. State True or False. If false, correct the statement.

1. To and fro motion is called oscillatory motion.
2. Vibratory motion and rotatory motion are periodic motions.
3. Vehicles moving with varying speeds are said to be in uniform motion.
4. Robots will replace human in future.

IV. Match the following.

1. Circular motion – Circular motion
2. Oscillatory motion – Oscillatory motion
3. Linear motion – Linear motion
4. Rotatory motion – Rotatory motion
5. Linear and rotatory motion – Linear and rotatory motion

V. Given below is the distance-travelled by an elephant across a forest with uniform speed. Complete the data of the table given below with the idea of uniform speed.

1. Distance (m): 0, 4, 12, 20
   Time (s): 0, 2, 4, 8, 10

VI. Complete the analogy.

1. Kicking a ball : Contact force :: Falling of leaf : __________?
2. Distance : metre :: Speed : __________?
3. Circulatory motion : A spinning top :: Oscillatory motion : __________?

VII. Complete the web chart.

1. Complete the web chart using the terms Non-periodic and Movement repeated after a fixed interval of time.

VIII. Answer in a word or two.

1. The force which acts on an object without physical contact.
2. A change in the position of an object with time.
3. The motion which repeats itself after a fixed interval of time.

IX. Answer briefly.

1. Define force.
2. Name different types of motion based on the path.
3. If you are sitting in a moving car, will you be at rest or motion with respect to your friend sitting next to you?
4. Rotation of the earth is a periodic motion. Justify.
5. Differentiate between rotational and curvilinear motion.

X. Answer in detail.

1. What is motion? Classify different types of motion with examples.

XI. Problems.

1. A vehicle covers a distance of 400 km in 5 hour. Calculate its speed.

XII. Give examples.

1. Give examples for Linear motion, Curvilinear motion, Self rotatory motion, Circular motion, Oscillatory motion and Irregular motion.

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3. Matter Around Us

I. Choose the correct answer.

1. ________ is not made of matter.
   a) Gold ring    b) Iron nail    c) Light ray    d) Oil drop
2. 200 ml of water is poured into a bowl of 400 ml capacity. The volume of water will be
   a) 400 ml    b) 600 ml    c) 200 ml    d) 800 ml
3. Seeds from water-melon can be removed by ________ method.
   a) hand-picking    b) filtration    c) magnetic separation    d) decantation
4. Lighter impurities like dust when mixed with rice or pulses can be removed by ________.
   a) filtration    b) sedimentation    c) decantation    d) winnowing
5. ________ is essential to perform winnowing activity.
   a) Rain    b) Soil    c) Water    d) Air
6. Filtration method is effective in separating ________ mixture.
   a) solid-solid    b) solid-liquid    c) liquid-liquid    d) liquid-gas
7. Among the following ________ is not a mixture.
   a) coffee with milk    b) lemon juice    c) water    d) ice cream embedded with nuts.

II. Fill in the blanks.

1. Matter is made up of ________.
2. In solids, the space between the particles is less than in ________.
3. Grains can be separated from their stalks by ________.
4. Chillies are removed from ‘Upma’ by ________ method.
5. The method employed to separate clay particles from water is ________.
6. Water obtained from tube wells is usually ________ water.
7. Which among the following will get attracted to by magnet? (safety pins, pencil and rubber band)

III. State True or False. If false, correct the statement.

1. Air is not compressible.
2. Liquids have no fixed volume but have fixed shape.
3. Particles in solids are free to move.
4. When pulses are washed with water before cooking, water is separated from them by filtration.
5. Strainer is a kind of sieve which is used to separate a liquid from solid.
6. Grain and husk can be separated by winnowing.
7. Air is a pure substance.
8. Butter from curd is separated by sedimentation.

IV. Complete the given analogy.

1. Solid : Rigidity :: Gas : ________.
2. Large Inter-particle space : Gas :: ________ : solid.
3. Solid : Definite shape :: ________ : Shape of the vessel.
4. Husk-Grains : Winnowing :: Sawdust-Chalk piece : ________.
5. Murukku from hot oil : ________ :: Coffee powder residue from decoction : ________.
6. Iron – sulphur mixture : ________ :: Mustard seeds from Urad-dhal : Rolling.

V. Match the following.

1. Breaks easily (Brittle) – Mud pot
2. Bends readily – Metal pan
3. Can be stretched easily – Rubber band
4. Gets compressed easily – Cotton wool
5. Gets heated readily – Metal pan

VI. Answer very briefly.

1. Define the term matter.
2. How can husk or fine dust particles be separated from rice before cooking? Explain.
3. Why do we separate mixtures?
4. Give an example for mixture and justify your answer with reason.
5. Define – Sedimentation.
6. Give the main difference between a pure substance and an impure substance.

VII. Answer briefly.

1. A rubber ball changes its shape on pressing. Can it be called a solid?
2. Why do gases not have fixed shape?
3. What method will you employ to separate cheese (paneer) from milk? Explain.
4. Look at the picture given below and explain the method of separation illustrated.
5. How can you separate a large quantity of tiny bits of paper mixed with pulses / dal?
6. What is meant by food adulteration?
7. Mr. Raghu returns home on a hot summer day and wants to have buttermilk. Mrs. Raghu has only curd. What can she do to get buttermilk? Explain.

VIII. Higher Order Thinking Questions.

1. Distinguish the properties of solid, liquid and gas. Draw a suitable diagram.
2. Using suitable apparatus from your laboratory separate the mixture of chalk powder, mustard oil, water and coins. Draw a flow chart to show the separation process.
3. Justify your answer based on the arrangement of particles in three different phases of matter shown in the figure.
   a) Which state is represented by Fig. 1?
   b) In which state will the inter particle attraction be maximum?
   c) Which one of them cannot be contained in an open vessel?
   d) Which one can take the shape of its container?

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4. The World of Plants

I. Choose the correct answer.

1. Pond is an example of __________ ecosystem.
   a) marine    b) freshwater    c) deserts    d) mountain
2. The important function of stomata is __________.
   a) conduction    b) transpiration    c) photosynthesis    d) absorption
3. Organ of absorption is __________.
   a) root    b) stem    c) leaf    d) flower
4. The habitat of water hyacinth is
   a) aquatic    b) terrestrial    c) desert    d) mountain

II. Fill in the blanks.

1. Earth's surface is covered by __________ % of water.
2. The driest places on the Earth are __________.
3. Fixation and absorption are the main functions of __________.
4. Primary organs of photosynthesis are __________.
5. Taproot system is present in __________ plants.

III. State True or False. If false, correct the statement.

1. Plants can live without water.
2. All plants have chlorophyll.
3. Plants have three parts: the root, stem and leaves.
4. Mountain is an example for freshwater habitats.
5. Root is modified into spines.
6. Green plants need sunlight.

IV. Match the following.

1. Mountain – Himalayas
2. Desert – Dry place
3. Stem – Branches twiner
4. Photosynthesis – Leaves
5. Fibrous root – Monocot

V. Arrange the following in correct sequence.

1. Leaf – Stem – Root – Flower
2. Transpiration – Conduction – Absorption – Fixation

VI. Answer very briefly.

1. Classify the plants on the basis of their habitat.
2. Mention few desert plants.
3. Define the term habitat.
4. Relate the terms leaves and photosynthesis.

VII. Answer briefly.

1. Why do we call jasmine plant, a twiner?
2. Compare the taproot and fibrous root systems.
3. Distinguish between terrestrial and aquatic habitats.
4. List out the plants present in your school garden.

VIII. Answer in detail.

1. Make a list of the functions of root and stem.
2. Complete the map by filling the blanks: Habitat – Aquatic / Terrestrial; Fresh Water / Marine / Grass land / River.

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5. The World of Animals

I. Choose the correct answer.

1. The study of living beings or organisms is called
   a) Psychology    b) Biology    c) Zoology    d) Botany
2. Which of the following are characteristics of living beings?
   (i) Respiration (ii) Reproduction (iii) Adaptation (iv) Excretion
   Choose the correct one:
   a) (i), (ii), and (iv) only
   b) (i), (ii) only
   c) (ii) and (iv) only
   d) (i), (iv), (ii) and (iii)
3. Lizards breathe through their
   a) skin    b) gills    c) lungs    d) trachea
4. All animals need
   a) food and water only
   b) water only
   c) air, food and water
   d) food only
5. Which animal has the special organs of breathing called gills?
   a) Earthworm    b) Fox    c) Fish    d) Frog
6. Choose the set that represents only biotic components of a habitat.
   a) Tiger, Deer, Grass, Soil
   b) Rocks, Soil, Plants, Air
   c) Sand, Turtle, Crab, Rocks
   d) Aquatic plant, Fish, Frog, Insects
7. Which of the following cannot be called as a habitat?
   a) A desert with camels
   b) A pond with fish and snails
   c) Cultivated land with grazing cattle
   d) A jungle with wild animals
8. Birds fly in the air with the help of
   a) heavy and strong bones
   b) soft and thick bones
   c) hollow and light bones
   d) flat and thick bones
9. Paramecium moves from one place to other with the help of ___________.
   a) pseudopodia    b) flagella    c) foot    d) cilia
10. Kangaroo rat lives in
    a) aquatic habitat    b) desert habitat    c) grass land habitat    d) mountain habitat

II. Fill in the blanks.

1. Water bodies, deserts, mountains are called __________.
2. Based on the number of cells present animals are classified into __________ and __________.
3. Tail of a bird acts as a rudder which helps to __________.
4. Amoeba moves with the help of __________.
5. The lizard on the ground __________ with its claw on its feet.
6. Camel stores __________ in its hump.

III. State True or False. If false, write the correct statement.

1. Habitat is a living or dwelling place of an organism.
2. The geographical features and environmental conditions on earth remain same from one place to other.
3. Amoeba is a unicellular organism and it moves with pseudopodia.
4. Birds can see only one object at a time.
5. Paramecium is a multicelluar organism.

IV. Complete the following.

1. Tropical rain forests, grasslands and deserts are known as __________.
2. Some living things are made of a single cell, called __________ organism.
3. The breathing organ of a fish is known as __________.
4. The lizard on the ground __________ with its claw on its feet.
5. Camel stores __________ in its hump.

V. Answer very briefly.

1. How do birds catch their prey?
2. Where can we see camels in India?
3. Name the locomotory organ of Amoeba.
4. What are the body parts of a snake?
5. Which structure helps the bird to remain change its direction while flying in air?

VI. Answer briefly.

1. Differentiate between unicellular and multicellular organisms.
2. Write the adaptive features of polar bear and penguin.
3. Mention the features that help a bird to fly in the air.
4. What are the adaptations seen in different vertebrates?

VII. Answer in detail.

1. Describe the various features which help camel dwell well in the desert.

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6. Health and Hygiene

I. Choose the correct answer.

1. Our body needs ______ for muscle building.
   a) carbohydrate    b) fat    c) protein    d) water
2. Scurvy is caused due to the deficiency of ________.
   a) Vitamin A    b) Vitamin B    c) Vitamin C    d) Vitamin D
3. Calcium is an example for
   a) carbohydrate    b) fat    c) protein    d) minerals
4. Bacteria are very small ________ microorganism.
   a) prokaryotic    b) eukaryotic    c) protozoa    d) acellular
5. We should include fruits and vegetables in our diet, because ________.
   a) they are the best source of carbohydrates
   b) they are the best source of proteins
   c) they are rich in minerals and Vitamins
   d) they have high water content

II. State True or False. If false, write the correct statement.

1. There are three main nutrients present in food.
2. Fats are stored as energy by our body.
3. All bacteria have flagella.
4. Iron helps in the formation of haemoglobin.
5. Virus can grow and multiply outside host.

III. Fill in the blanks.

1. Malnutrition leads to ________.
2. Iodine deficiency leads to ________ in adults.
3. Vitamin D deficiency causes ________.
4. Typhoid is transmitted due to contamination of ________ and water.
5. Influenza is a ________ disease.

IV. Complete the analogy.

1. Rice : Carbohydrate :: Pulses : ________.
2. Vitamin D : Rickets :: Vitamin C : ________.
3. Iodine : Goitre :: Iron : ________.
4. Cholera : Bacteria :: Smallpox : ________.

V. Match the following.

1. Vitamin A – Night blindness
2. Vitamin B – Beri beri
3. Vitamin C – Scurvy
4. Vitamin D – Rickets
5. Vitamin E – Sterility

VI. Complete the diagram.

1. Complete the diagram using the nutrients: Protein, Carbohydrate, Water, Vitamin and the remaining nutrient categories.

VII. Answer very briefly.

1. Write two examples for each of the following:
   a) Food items rich in fat.
   b) Vitamin deficiency diseases.
2. Differentiate between carbohydrate and protein.
3. Define balanced diet.
4. Why should fruits and vegetables not be washed after cutting?
5. Mention any two viral diseases.
6. What are the main features of a microorganism?

VIII. Answer in details.

1. Tabulate the vitamins and their corresponding deficiency diseases.

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7. Computer – An Introduction

I. Choose the correct answer.

1. Who is the father of computer?
   a) Martin Luther King    b) Graham Bell    c) Charlie Chaplin    d) Charles Babbage
2. Which of the following is another form of computer?
   a) Blackboard    b) Mobile    c) Radio    d) Book
3. When was the first computer introduced?
   a) 1980    b) 1947    c) 1946    d) 1985
4. Who is the computer’s first programmer?
   a) Lady Wellington    b) Augusta Ada Lovelace    c) Mary Curie    d) Mary Comb
5. Pick out the odd one.
   a) Calculator    b) Abacus    c) Flash card    d) Laptop

II. Fill in the blanks.

1. Data is __________ information.
2. World’s first general purpose computer is __________.
3. Information is __________ data.
4. Fifth generation computer has __________ intelligence.
5. __________ is the device that uses Index number.

III. State True or False.

1. Computer is an electronic device.
2. Sir Isaac Newton invented computer.
3. Computer can do calculations fast.

IV. Match the following.

1. First generation computer – Vacuum tubes
2. Second generation computer – Transistor
3. Third generation computer – Integrated Circuit
4. Fourth generation computer – Micro processor
5. Fifth generation computer – Artificial Intelligence

V. Answer briefly.

1. What is a computer?
2. Who are the pioneers / forerunners of computer?
3. Write a short note on Data.
4. Name any four input devices.
5. Differentiate hardware and software.

VI. Answer in detail.

1. Explain in detail above the applications of computer.

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இந்த Question Bank-ஐ 6ஆம் வகுப்பு மாணவர்கள் தேர்வுத் தயாரிப்பு, மீள்பார்வை மற்றும் பயிற்சிக்கு பயன்படுத்திக்கொள்ளலாம்.

English Medium | 6th Standard Science | Term I

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