CBSE Class 6 Science Worksheet Set O

Access the latest CBSE Class 6 Science Worksheet Set O. We have provided free printable Class 6 Science worksheets in PDF format, specifically designed for All Chapters. These practice sets are prepared by expert teachers following the 2025-26 syllabus and exam patterns issued by CBSE, NCERT, and KVS.

All Chapters Science Practice Worksheet for Class 6

Students should use these Class 6 Science chapter-wise worksheets for daily practice to improve their conceptual understanding. This detailed test papers include important questions and solutions for All Chapters, to help you prepare for school tests and final examination. Regular practice of these Class 6 Science questions will help improve your problem-solving speed and exam accuracy for the 2026 session.

Download Class 6 Science All Chapters Worksheet PDF

SECTION A
 
1 When ice melts to form water, then a change occurs in its :
 
a) Position                    b) Temperature
 
c) State                       d) Composition
 
2 Plants take carbon dioxide from air through tiny openings found in the :
 
a) Fruits                      b) Leaves
 
c) Roots                      d) Stem
 
3 One of the following does not have a hinge joint. This one is:
 
a) Jaw                        b) Elbow
 
c) Knee                      d) Shoulder
 
4 Fishes move about in the water with the help of their:
 
a) Mouth and gills          b) Legs and scales
 
 
c) Wings and tails          d) Fins and tails
 
5 The plane mirror forms a :
 
a) Virtual image              b) Real image
 
c) Inverted image           d) Magnified image
 
6 Which one of the following is a conductor of electricity:
 
a) Wood                          b) plastic
 
c) Rubber                       d) copper wire
 
7 The electromagnet is a
 
a) Bar magnet                  b) Damaged magnet
 
c) Temporary magnet        d) Permanent magnet
 
8 The process by which rain water changes in to snow is called:
 
a) Melting                       b) Evaporation
 
c) Condensation              d) Freezing
 
9 Air is considered to be:
 
a) A compound          b) A mixture
 
c) A solvent               d) An element
 
10 The component of air which is utilized by the plants in respiration is:
 
a) Nitrogen              b) Carbon dioxide
 
c) Oxygen               d)Water vapour
 
11 Define ‘transpiration’ 
 
12 It advised to breathe through the nose and is always not through the mouth. Why? 
 
13 What is cartilage? 1
 
14 What is meant by ‘acclimatization’? Give one example . 
 
15 How is the balance of oxygen and carbon dioxide maintained in nature? 
 
16 What will you observe on the white flowers of a cut balsam stem dipped in a glass containing red water? Justify your observation.
 
17 Trucks ‘eat’ fuel, excrete smoke and can move. Can we consider them living things? Why or why not?
 
18 Why does the metal ball not pass through the ring after heating as shown in the given figure? 
 
 CBSE Class 6 Science Worksheet Set O 1
19 A pencil sharpener with a plastic body gets attracted towards a magnet. Give the reason. 
 
20 What happens when the switch is pushed to ‘ON’ position in an electric torch? Mention the energy transformation in this case.
 
SECTION B

21 Differentiate between image and shadow on the basis of their formation, size and colour. 
 
22 Describe roadside rainwater harvesting system with the help of a neat diagram. 
 
23 Draw a neat and well-labelled diagram of ‘dry cell’. 
 
24 Explain the role of water in human body. (3 points) 
 
25 Write an activity to show that repulsion is a sure test of magnetism. 
 
26 Describe any three features of birds that help them to fly in air. 
 
27 Both lion and deer live in grasslands. How do following features help them to survive there?
 
a) The position of eyes
 
b) The colour of body
 
c) The ability to run
 
28 Identify the modified part in the given plants. Also write their importance.
CBSE Class 6 Science Worksheet Set O 2
 
 
29 a) Name the most attractive part of the flower. Write its function.
 
b) What do you mean by fertilization? What happens to ovules and ovary after fertilization?
 
30 Write the importance of following adaptive features:
 
a) Thick and long hair in mountain goats
 
b) Blowholes in whales and dolphins
 
c) Long, hollow and flexible stem in lotus.
 
SECTION C
 
31 a) Give an appropriate reason for the given statements:
 
i) Filament of an electric bulb is made of tungsten.
 
ii) Argon gas is filled in electric bulb.
 
b) Differentiate between conductors and insulators.
 
c) Would the bulb glow in an open circuit? Give reason.
 
32 a) What do you mean by demagnetization?
 
b) Why is it essential to store magnets carefully? Explain one way of storing a pair of bar magnets.
 
33 a) How is burning of a candle wick different from the melting of wax?
 
b) Identify the given changes as physical/chemical and desirable/undesirable:
 
i) Rusting of iron nails
 
ii) Baking of a cake
 
iii) Melting of ice cream.
 
34 a) What does the given experiment show? Explain.
CBSE Class 6 Science Worksheet Set O 3
 
b) Justify the given statements:
 
i) A lump of cotton wool sinks in water.
 
ii) Animals living in burrows come out during the rainy season.
 
iii) Deep sea divers carry oxygen cylinders with them
 
35 a) Differentiate between reticulate and parallel venation. Also give one example of each.
 
a) b) Sonu and Pihu see a plant in their garden. How can they find the root system of this plant without plucking the plant out of soil?
 
36 a) Explain two adaptations in the following:
 
i) Camel in hot desert
 
ii) Cactus plant
 
b) Why does a fish die when taken out of water



Please click on below link to download CBSE Class 6 Science Worksheet Set O

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CBSE Class 6 Science Getting to Know Plants Worksheet Set C
CBSE Class 6 Science Light Shadows and Reflections Worksheet Set A
CBSE Class 6 Science Light Shadows and Reflections Worksheet Set B
CBSE Class 6 Science Light Shadows and Reflections Worksheet Set C
CBSE Class 6 Science Living Organisms And Their Worksheet
CBSE Class 6 Science Motion and Measurement of Distances Worksheet Set A
CBSE Class 6 Science Motion And Measurement of Distances Worksheet Set B
CBSE Class 6 Science Motion And Measurement of Distances Worksheet Set C
CBSE Class 6 Science Separation of Substances Worksheet Set A
CBSE Class 6 Science Separation of Substances Worksheet Set A
CBSE Class 6 Science Separation of Substances Worksheet Set A
CBSE Class 6 Science Separation of Substances Worksheet Set B
CBSE Class 6 Science Separation of Substances Worksheet Set B
CBSE Class 6 Science Separation of Substances Worksheet Set B
CBSE Class 6 Science Sorting Materials into Groups Worksheet Set A
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CBSE Class 6 Science Sorting of Materials Into Groups Worksheet Set C
CBSE Class 6 Science The Living Organisms and Their Surroundings Worksheet
CBSE Class 6 Science The Living Organisms Characteristics and Habitats Worksheet Set A
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CBSE Class 6 Science Water Worksheet Set A
CBSE Class 6 Science Water Worksheet Set A
CBSE Class 6 Science Water Worksheet Set B

Important Practice Resources for Class 6 Science

All Chapters CBSE Class 6 Science Worksheet

Students can use the All Chapters practice sheet provided above to prepare for their upcoming school tests. This solved questions and answers follow the latest CBSE syllabus for Class 6 Science. You can easily download the PDF format and solve these questions every day to improve your marks. Our expert teachers have made these from the most important topics that are always asked in your exams to help you get more marks in exams.

NCERT Based Questions and Solutions for All Chapters

Our expert team has used the official NCERT book for Class 6 Science to create this practice material for students. After solving the questions our teachers have also suggested to study the NCERT solutions  which will help you to understand the best way to solve problems in Science. You can get all this study material for free on studiestoday.com.

Extra Practice for Science

To get the best results in Class 6, students should try the Science MCQ Test for this chapter. We have also provided printable assignments for Class 6 Science on our website. Regular practice will help you feel more confident and get higher marks in CBSE examinations.

Where can I download the latest PDF for CBSE Class 6 Science Worksheet Set O?

You can download the teacher-verified PDF for CBSE Class 6 Science Worksheet Set O from StudiesToday.com. These practice sheets for Class 6 Science are designed as per the latest CBSE academic session.

Are these Science Class 6 worksheets based on the 2026 competency-based pattern?

Yes, our CBSE Class 6 Science Worksheet Set O includes a variety of questions like Case-based studies, Assertion-Reasoning, and MCQs as per the 50% competency-based weightage in the latest curriculum for Class 6.

Do you provide solved answers for CBSE Class 6 Science Worksheet Set O?

Yes, we have provided detailed solutions for CBSE Class 6 Science Worksheet Set O to help Class 6 and follow the official CBSE marking scheme.

How does solving CBSE Class 6 Science Worksheet Set O help in exam preparation?

Daily practice with these Science worksheets helps in identifying understanding gaps. It also improves question solving speed and ensures that Class 6 students get more marks in CBSE exams.

Is there any charge for the Class 6 Science practice test papers?

All our Class 6 Science practice test papers and worksheets are available for free download in mobile-friendly PDF format. You can access CBSE Class 6 Science Worksheet Set O without any registration.