CBSE Class 6 Science Sample Papers

CBSE Class 6 Science Sample Papers

CBSE Class 6 Science Sample Paper Set 1

Time: 3 hrs
M.M. : 80

General Instructions :

• This question paper comprises 39 questions. All questions are compulsory.
• This question paper is divided into five sections – A, B, C, D and E.
• Section A – Questions No. 1 to 20 are multiple choice questions. Each question carries 1 mark.
• Section B – Questions No. 21 to 25 are very short answer type questions. Each question carries 2 marks.
• Section C – Questions No. 26 to 34 are short answer type questions. Each question carries 3 marks.
• Section D – Questions No. 35 to 38 are long answer type questions. Each question carries 5 marks.
• Section E – Question No. 39 is source-based/case-based question, which carries 3 marks.

Section-A

Question 1.
Which among the following has the highest percentage composition in the air?
(a) Oxygen
(b) Carbon dioxide
(c) Nitrogen
(d) Water vapour
Answer:
(c) Nitrogen

Question 2.
Which of the following plants have green and – tender stems with very short branches?
(a) Mint and bathua
(b) Rose and neem
(c) Rose and lemon
(d) Paddy and jasmine
Answer:
(a) Mint and bathua

Question 3.
Transparent materials allows the light to pass through them
(a) partially
(b) completely
(c) sometimes only
(d) not at all
Answer:
(b) completely

Question 4.
Which among the following mixture can be separated by the method of filtration?
(a) Sugar in water
(b) Oil in water
(c) Sugar in milk
(d) Cornflakes in milk
Answer:
(d) Cornflakes in milk

Question 5.
Which of the following is not a source of carbohydrates?
(a) Rice
(b) Potato
(c) Banana
(d) Fish
Answer:
(d) Fish

Question 6.
Which of the following material is attracted to a magnet?
(a) Plastic
(b) Wood
(c) Iron
(d) Glass
Answer:
(c) Iron

Question 7.
Which vitamin is primarily known for its role in maintaining healthy vision?
(a) Vitamin-A
(b) Vitamin-B
(c) Vitamin-C
(b) Vitamin-D
Answer:
(a) Vitamin-A

Question 8.
What is the SI unit of length in the metric system?
(a) Meter
(b) Kilometer
(c) Centimeter
(d) Millimeter
Answer:
(a) Meter

Question 9.
If you have a piece of string that is 2.5 m long, how many centimeter is that?
(a) 2.5 centimeter
(b) 25 centimeter
(c) 2500 centimeter
(d) 250 centimeter
Answer:
(d) 250 centimeter

Question 10.
Which of the following substances is most likely to dissolve in water?
(a) Sand
(b) Oil
(c) Sugar
(d) Plastie
Answer:
(c) Sugar

Question 11.
What is the temperature in Kelvin, if the temperature is 30° C ?
(a) 303.15 K
(b) 273.15 K
(c) 330.15 K
(d) 310.15 K
Answer:
(a) 303.15 K

Question 12.
What type of motion is demonstrated by the hands of a clock?
(a) Linear motion
(b) Oscillatory motion
(c) Circular motion
(d) Random motion
Answer:
(c) Circular motion

Question 13.
What is the primary purpose of a clinical thermometer?
(a) Measuring atmospheric temperature
(b) Measuring body temperature
(c) Measuring water temperature
(d) Measuring room temperature
Answer:
(b) Measuring body temperature

Question 14.
What is the process called when water changes from a liquid to a gas?
(a) Freezing
(b) Condensation
(c) Evaporation
(d) Melting
Answer:
(c) Evaporation

Question 15.
What do we call the process by which living organisms produce new organisms of their own kind?
(a) Respiration
(b) Digestion
(c) Reproduction
(d) Excretion
Answer:
(c) Reproduction

Direction (Q. Nos. 16-20) The following questions consist of two statements Assertion (A) and Reason (R). Answer these questions by selecting the appropriate option given below.
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true, but R is not the correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true

Question 16.
Assertion (A) The unknown poles of a bar magnet can be determined by suspending it freely with the help of a string.
Reason (R) A freely suspended bar magnet always’comes to rest in north-south direction.
Answer:
(a) Both A and R are true and R is the correct explanation of A

Question 17.
Assertion (A) Deficiency diseases are caused by a lack of specific nutrients.
Reason (R) Vitamins and minerals are not essential for good health.
Answer:
(c) A is true, but R is false

Question 18.
Assertion (A) Coal is a fossil fuel and it is a non-renewable resource.
Reason (R) Coal takes millions of years to form and cannot be replaced quickly once used.
Answer:
(a) Both A and R are true and R is the correct explanation of A

Question 19.
Assertion (A) Magnetic separation cannot be used to separate iron filings from a mixture of sand and salt.
Reason (R) Iron filings are attracted to a magnet, while sand and salt are not.
Answer:
(d) A is false, but R is true

Question 20.
Assertion (A) All seeds require sunlight for the germination.
Reason (R) Sunlight is necessary for the growth of the plant.
Answer:
(d) A is false, but R is true

Section-B

Question 21.
Why is earth called blue planet?

Question 22.
Where are the poles of a bar magnet located?
Or
In which direction does a suspended magnet come to rest?

Question 23.
Why are mercury thermometers being replaced with other types of thermometers?

Question 24.
What happens when steam comes in contact with the metal plate cooled with ice?
Or
Condensation is the opposite process of evaporation. Comment.

Question 25.
What is the role of proteins in our body?

Section-C

Question 26.
A mixture of iron nails, salt, oil and water is provided to you. Give stepwise methods to separate each component from the mixture.

Question 27.
How do living organisms differ from one another in terms of their habitat?

Question 28.
Write the Indian name of comet. Explain the reason of its big tail. Name one comet.
Or
Name the closet celestial body of Earth. What is the reason of spots on Moon?

Question 29.
Neha was conducting a protein analyșis of Paneer. After adding caustic soda to the test tube containing crushed Paneer and copper sulphate solution, she noticed a lack of colour change. What does this result indicate about the Paneer sample?

Question 30.
Is it possible to separate a mixture of sugar crystals and wheat flour? Give reason for your answer.
Or
Why is separating different components of a mixture necessary?

Question 31.
What is the difference between motion of a falling stone and motion of a stone tied to a thread and whirled with hand?
Or
Which system of unit of measurement used all over the world now ? What is that for length ? Express 1.5 m into cm.

Question 32.
Why are fruits and vegetables important in a balanced diet?

Question 33.
What is the significance of dissolved oxygen gas in water?
Or
What happens if the percentage of carbon dioxide increase in the air?

Question 34.
Why are millets called nutri-cereals?

Section-D

Question 35.
Ramesh has three glass windows in his study room. He painted one of this glass window pane with yellow colour, the other one with black and he left the third one as it is.
(i) Through which window pane can he see the outside clearly?
(ii) Through which window he will not be able to see outside?
(iii) What will happen. when he views outside through the yellow window pane?

Question 36.
Air is a mixture. Justify your statement.

Question 37.
Explain why it is important to include a variety of foods in your diet.
Or
Discuss the consequences of not having a balanced diet.

Question 38.
Describe the major celestial bodies in our solar system.
Or
Explain the concept of natural resources and classify them into different types. Provide examples of each type and discuss their importance in daily life.

Section-E

Question 39.
Ruby while learning about the characteristic of living organisms studied that living organism excrete their waste out of the body. But she wondered how plants excrete their waste. She asked her teacher to solve her query.
(i) How do plant excrete their waste materials?
(ii) What are the characteristics of living organisms?

CBSE Class 6 Science Sample Paper Set 2

Section-A

Question 1.
What is a primary difference between monocots and dicots?
(a) Number of cotyledons
(b) Type of root system
(c) Leaf colour
(d) Flower size
Answer:
(a) Number of cotyledons

Question 2.
Which of the following represents correct ascending order of gases as per their composition in air?
(a) Oxygen < Carbon dioxide < Nitrogen
(b) Oxygen < Carbon dioxide < Dust particles
(c) Carbon dioxide < Oxygen < Nitrogen
(d) Carbon dioxide < Nitrogen < Oxygen
Answer:
(c) Carbon dioxide < Oxygen < Nitrogen

Question 3.
Which of the following are the examples of terrestrial habitats?
(a) Foreșts, oceans, deserts
(b) Grasslands, desert, mountain regions
(c) Ponds, coastal, deserts’
(d) River, forests, grasslands
Answer:
(b) Grasslands, desert, mountain regions

Question 4.
A solid is dissolved in water. Which one of the following methods can be used to separate it?
(a) Filtration
(b) Decantation
(c) Distillation
(d) Evaporation
Answer:
(d) Evaporation

Question 5.
What is the purpose of a compass?
(a) To measure temperature
(b) To find direction
(c) To measure distance
(d) To calculate time
Answer:
(b) To find direction

Question 6.
Which of the following will show metallic lustre?
(a) Any surface of a metal.
(b) Freshly cut surface of a metal.
(c) Freshly cut surface of a non-metal.
(d) Surfaces of all materials.
Answer:
(b) Freshly cut surface of a metal.

Question 7.
Which mineral is essential for the formation of bones and teeth?
(a) Iron
(b) Calcium
(c) Sodium
(d) Potassium
Answer:
(b) Calcium

Question 8.
The plant given below is a

(a) creeper
(b) climber
(c) tree
(d) shrub
Answer:
(a) creeper

Question 9.
Which of the following is an example of oscillatory motion?
(a) A bicycle moving on a straight path
(b) A swing moving back and forth
(c) A car turning around a curve
(d) A ball rolling on the ground
Answer:
(b) A swing moving back and forth

Question 10.
What is the term used to describe the amount of space that an object occupies?
(a) Mass
(b) Volume
(c) Hardness
(d) Density
Answer:
(b) Volume

Question 11.
What is the normal body temperature of a healthy human in Celsius?
(a) 98.6° C
(b) 32° C
(c) 100° C
(d) 37° C
Answer:
(d) 37° C

Question 12.
Which state of water has a definite shape and a definite volume?
(a) Solid
(b) Liquid
(c) Gas
(d) All of the above
Answer:
(a) Solid

Question 13.
Which of the following explains, why sweating helps cool down your body on a hot day?
(a) The sweat absorbs heat from your body and evaporates, which causes cooling.
(b) The sweat absorbs sunlight, reducing the heat absorbed by your body.
(c) The sweat increases the temperature of your body by trapping heat.
(d) The sweat forms a layer that prevents heat from escaping your body.
Answer:
(a) The sweat absorbs heat from your body and evaporates, which causes cooling.

Question 14.
What term is used to describe the ability of living organisms to adjust to their environment?
(a) Adaptation
(b) Digestion
(c) Respiration
(d) Excretion
Answer:
(a) Adaptation

Question 15.
In which of the following, a permanent magnet is not used?
(a) Magnetic door catcher
(b) Loudspeaker
(c) Compass
(d) All of these uses permanent magnet.
Answer:
(b) Loudspeaker

Direction (Q. Nos. 16-20) The following questions consist of two statements Assertion (A) and Reason
(R). Answer these questions by selecting the appropriate option given below.
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true, but R is not the correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true

Question 16.
Assertion (A) Mixture of sugar and water can be separated using the process of decantation.
Reason (R) Decantation is the process of separation of clear liquid from one vessel to other vessel without disturbing the sedimented particles.
Answer:
(d) A is false, but R is true

Question 17.
Assertion (A) The oily patch on paper is translucent in nature.
Reason (R) The material through which objects can be seen, but not clearly are called translucent materials.
Answer:
(a) Both A and R are true and R is the correct explanation of A

Question 18.
Assertion (A) Threshing is performed to separate grains from chaff.
Reason (R) Threshing is also used to separate different sizes of grains from each other.
Answer:
(c) A is true, but R is false

Question 19.
Assertion (A) The unit of temperature in the celsius scale is degrees celsius (°C).
Reason (R) Temperature in the celsius scale cannot be measured by using a clinical thermometer.
Answer:
(c) A is true, but R is false

Question 20.
Assertion (A) Soil is essential for plant growth.
Reason (R) Soil provides nutrients, water, and a stable environment for plant roots.
Answer:
(a) Both A and R are true and R is the correct explanation of A

Section-B

Question 21.
Write the characteristic of living organisms which help in ensuring the continuity of life on Earth.

Question 22.
What is motion?
Or
What type of motion does a fan blade exhibit?

Question 23.
What role does water play in seed germination?

Question 24.
Name the four planets closest to the sun.
Or
What is the name of the fifth planet from the sun?

Question 25.
What is the importance of forests in nature’s treasures?

Section-C

Question 26.
What is rain-water harvesting?
Or
Why is it important to conserve water?

Question 27.
What is the difference between threshing and winnowing separation techniques?
Or
Explain (i) hand-picking technique and (ii) magnetic separation technique.

Question 28.
How does temperature influence the rate of evaporation?
Or
How does wind influence the rate of evaporation?

Question 29.
How do magnetic materials differ from non-magnetic materials? Provide examples of each?

Question 30.
What are satellites? What is the name of Earth’s natural satellite?

Question 31.
Compare and contrast the roles of proteins and carbohydrates in the body.

Question 32.
“Grouping of objects benefits the shopkeeper”. Justify your claim.
Or
What are the similarities among silver, gold and aluminium?

Question 33.
Sonu’s teacher asked Sonu to measure the length of a table using a measuring tape. Why did his teacher ask him to use a measuring tape?

Question 34.
A biology student observed dry leaves of peepal and grasses. He was surprised to see that peepal leaf has some net like pattern, while grass leaves do not have this. Why do you think the grass leaves do not have net-like pattern and what are these net-like pattern?

Section-D

Question 35.
What is the correct way of measuring a temperature using a laboratory thermometer?
Or
Can you describe how water moves through the water cycle?

Question 36.
Explain the life cycle of a flowering plant in detail.
Or
Describe the life cycle of a mosquito in detail.

Question 37.
Discuss the solubility of gases in water. W-at is the importance of oxygen gas dissolved in water? How is the carbon dioxide dissolved helpful to the aquatic plants?

Question 38.
How can you measure the length of curved line? Explain.

Section-E

Question 39.
Our meals are composed of various nutrients and each nutrient plays a crucial role in the nourishment of our body. Carbohydrates, proteins, fats, vitamins and minerals are the key nutrients, while dietary fibres and water also contribute significantly.
Carbohydrates and fats provide the energy needed for daily activities, proteins support growth and maintenance while vitamins and minerals play specific roles in disease prevention and overall well-being.
(i) What food group gives you the most energy: fruits, vegetables or grains? And why?
(ii) Which vitamin helps to prevent night blindness?
(iii) Sugary snacks contain carbohydrates, but consumption of excess sugar is bad. Why?

CBSE Class 6 Science Sample Paper Set 3

Section-A

Question 1.
Which of the following is a method by which animals move?
(a) Walking
(b) Swimming
(c) Flying
(d) All of these
Answer:
(d) All of these

Question 2.
Which of the following statement is true about magnets?
(a) Magnets always have only one pole.
(b) Magnets can attract or repel other magnets.
(c) Magnets do not lose their strength if exposed to heat.
(d) Magnets attract all types of metals equally.
Answer:
(b) Magnets can attract or repel other magnets.

Question 3.
Which of these statements about water is true?
(a) Water is needed for the proper functioning of bones
(b) Water is the most important nutrient
(c) Water is only needed for drinking
(d) Water helps to absorb other nutrients
Answer:
(d) Water helps to absorb other nutrients

Question 4.
The motion of wings of moving fan is _____.
(a) circular motion
(b) linear motion
(c) Both (a) and (b)
(d) None of these
Answer:
(a) circular motion

Question 5.
A good example of grouping can be seen in a
(a) playground
(b) dustbin
(c) supermarket
(d) store room
Answer:
(c) supermarket

Question 6.
Mint and tomato are the examples of
(a) creeper
(b) herb
(c) climber
(d) shrub
Answer:
(b) herb

Question 7.
Which of these is a good source of vitamin $\mathbf{C}$ ?
(a) Milk
(b) Apples
(c) Oranges
(d) Bread
Answer:
(c) Oranges

Question 8.
Which of the following statement is incorrect?
(a) Some materials appear shiny, while others are appear dull.
(b) Some materials are rough, while others are smooth.
(c) Certain materials are hard, while others are soft.
(d) Some stones are transparent, while some glasses are opaque.
Answer:
(d) Some stones are transparent, while some glasses are opaque.

Question 9.
Dicots typically have how many cotyledons in their seeds?
(a) One
(b) Three
(c) Four
(d) Two
Answer:
(d) Two

Question 10.
Which type of motion would you observe, if you are spinning a toy, top on a flat surface?
(a) Linear motion
(b) Oscillatory motion
(c) Circular motion
(d) None of the above
Answer:
(d) None of the above

Question 11.
What is the measure of the amount of matter in an object called?
(a) Volume
(b) Mass
(c) Hardness
(d) Solubility
Answer:
(b) Mass

Question 12.
Which nutrient is an important component of blood?
(a) Carbohydrates
(b) Proteins
(c) Vitamins
(d) Iron
Answer:
(d) Iron

Question 13.
What are the two types of poles found on a magnet?
(a) North and East
(b) South and West
(c) North and South
(d) East and West
Answer:
(c) North and South

Question 14.
Which separation method would be best for removing larger stones from a mixture of sand and stones?
(a) Filtration
(b) Sieving
(c) Evaporation
(d) Decantation
Answer:
(b) Sieving

Question 15.
What is the process called, when water vapour turns back into liquid water?
(a) Evaporation
(b) Freezing
(c) Condensation
(d) Melting
Answer:
(c) Condensation

Direction (Q.Nos. 16-20) The following questions consist of two statements Assertion (A) and Reason (R). Answer these questions by selecting the appropriate option given below.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true, but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false, but R is true.

Question 16.
Assertion (A) Rice is a good source of carbohydrates.
Reason (R) Rice contains a high amount of starch.
Answer:
(a) Both A and R are true and R is the correct explanation of A.

Question 17.
Assertion (A) We can separate a mixture of sugar and water by evaporation.
Reason (R) Sugar is soluble in water.
Answer:
(a) Both A and R are true and R is the correct explanation of A.

Question 18.
Assertion (A) Natufal gas is used as a fuel in many households.
Reason (R) Natural gas releases more pollutants in the air causing more air pollution as compared to coal and oil.
Answer:
(c) A is true but R is false.

Question 19.
Assertion (A) Temperature is measured using a meter scale.
Reason (R) Temperature is the measurement of how hot or cold something is?
Answer:
(d) A is false, but R is true.

Question 20.
Assertion (A) Winnowing is used to separate chaff from grains.
Reason (R) Winnowing uses the wind or air to blow away lighter chaff while the heavier grains fall down.
Answer:
(a) Both A and R are true and R is the correct explanation of A.

Section-B

Question 21.
What happens when similar poles come close to each other?
Or
When do the two magnets repel each other?

Question 22.
Can a mixture of common salt and sugar be separated by the process of winnowing?

Question 23.
Give examples of two substances through which light does not pass.

Question 24.
What is the primary function of vitamins in our body?

Question 25.
What is the term for a group of stars that form a pattern in the sky?
Or
What are the names of the planets often referred to as (i) the morning star or the evening star (ii) red planet?

Section-C

Question 26.
Explain the adaptations in a Camel’s body that enable them to live in extreme hot conditions.

Question 27.
How does humidity affect the rate of evaporation?

Question 28.
What are the disadvantages of using a fossil fuel?

Question 29.
What role do minerals play in daily life?
Or
What are rocks and how do they formed? Give two uses of rocks?

Question 30.
What is the significance of dissolved oxygen in the soil?
Or
How do plants and animals help each other in exchange of gases in the atmosphere?

Question 31.
What are deficiency diseases? Explain the cause and symptoms of goitre.
Or
Write about the role of different nutrients play in an individuals life by giving two examples.

Question 32.
Sun plays an important role in water cycle. Explain in brief.
Or
Why is air known as nature’s treasures?

Question 33.
How does factors like air, water and light influences the germination of seed? Support this statement.

Question 34.
Suggest any two bases on which we can group objects.

Section-D

Question 35.
Explain the methods of separation used by the farmer in the making of flour from the wheat.
Or
How is the filtration different frg:s sieving process?

Question 36.
(i) How can you differentiate between herbs and shrubs?
(ii) What is adaptation?
(iii) Distinguish between climbers and creepers, and provide examples of each.

Question 37.
How does grouping of materials helps you to locate the things easily? Justify your answer by giving an example.
Or
Describe the different ways to group materials based on their physical properties. Provide examples for each method of grouping.

Question 38.
Explain the process to test for the presence of starch in a slice of potato.

Section-E

Question 39.
Rahul is asked to add two spoons of solid salt to some water taken in a beaker. On stirring it he finds that whole of the salt has disappeared and only water can be seen in beaker.
(i) Which process will be used by Rahul to get salt back from solution?
(ii) How can Rahul separate water from the solution in another beaker?

Also Read

• Class 6 Science Extra Questions
• Curiosity Class 6 Science Book Solutions
• Class 6 Science MCQ (Curiosity)
• Class 6 Science Notes (Curiosity)
• NCERT Solutions for Class 6