CBSE Class 8 Science Question Paper Set W

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Access and download CBSE Class 8 Science Question Paper Set W, carefully designed as per the latest 2025-26 examination guidelines issued by CBSE, NCERT, and KVS. These Class 8 Science previous year question papers include detailed solutions, helping students to assess their performance and identify and improve key areas before the final exams.

Solved Science Question Papers for Class 8

Practicing these Class 8 Science question papers is the best way to understand the actual exam pattern and marking scheme. By solving these papers under timed conditions, Class 8 students can improve their speed and accuracy. Download the full CBSE Class 8 Science Question Paper Set W to begin your self-assessment today.

Science Class 8 Question Paper PDF with Solutions

 SECTION A
1. Name a naturally occurring polymer. What is it made up of? (1)
 
2. Seeds are first grown in nursery and then transplanted to the fields. What is the advantage of this?
 
3. (a) Define force. What is its SI unit?
(b) Why do deep sea animals not survive when brought to the surface of the sea water?
 
4. (a) Write two advantages of using CNG as a fuel.
    (b) Name any two constituents of petroleum obtained after refining.
 
5. State the laws of reflection of light. Draw a diagram to show this phenomenon. (2)
 
6. (a) A ball is thrown up in the air. Name the two forces acting on the ball.
    (b) If the area of head is 15cm x 15cm, how much air (in weight) would you carry on your head?
 
7. (a) Define displacement reaction. Explain a displacement reaction with the help of a word equation.
    (b) Arrange the following metals according to decreasing order of their reactivity: Zinc, Copper, Iron, Potassium
 
8. Give reasons for the following:
(a) We should not let water collect anywhere in the neighbourhood.
(b) Dried neem leaves are used for storing food grains at home.
(c) The role of smaller animals in the ecosystem should not be ignored.
 
9. (a) Shelly can see her face clearly in a new stainless steel plate but not in old one. What could be the reason for this?
    (b) Eyes of the nocturnal birds have large cornea and a large pupil. How does this structure help them?
    (c) You are holding a heavy suitcase in your hands. Explain why the forces acting on it do not change the state of motion of the suitcase.
 
10. (a) Why is petroleum also called as ‘black gold’?
     (b) Give one difference between thermosetting plastics and thermoplastics.
     (c) Why is polyester used to make raincoats and umbrellas?
 
11. Draw a schematic diagram of nitrogen cycle with appropriate labelling and arrows (3)
 
12. (a) Explain the working of a ball bearing with the help of a diagram.
      (b) Give two relevant ways to increase the friction giving suitable examples.
 
13. (a). What is “Project Tiger”? What was the objective of this project?
      (b) Name two endemic flora species of Panchmarhi Biosphere Reserve.
 
14. (a)Name one thermoplastic used in our daily life. State its one use.
      (b) Write two differences between rayon and natural silk.
 
15. Seema is suffering from Tuberculosis. Rita, her friend refrained from visiting Seema.
(a) Why did Rita not visit Seema?
(b) Name the causal organism and mode of transmission of the disease.
(c) Write any two general preventive measures for Tuberculosis.
 
16. (a) What do you understand by persistence of vision of human eye?
      (b) Two plane mirrors are placed perpendicular to each other. An incident ray strikes the first mirror at an angle of 43˚. What is the angle of reflection of the second mirror? ( Show ray diagram)
CBSE Class 8 Science Question Paper Set W
(c) Identify the following parts marked A and B and write one important function of each.
(a)Write two differences between regular and irregular reflection.
(b)Define dispersion. Make a diagram to show the dispersion through a prism showing seven different colours of a spectrum in proper sequence.
 
17. (a) State the property of metals which makes them suitable for making
          i. jewellery
         ii. strings of musical instruments
         iii. electrical wires
         iv. tin cans
   (b) Write word equations for the following:
         i. Zinc granules are added to hydrochloric acid
        ii. Sodium is put in a beaker containing water.
        iii. corrosion of iron
OR
(a) Name the metal/non-metal used
     i. as a protective coat for iron.
    ii. for packaging of food
   iii. as fuel
  iv. in fertilizers.
(b)Write three differences between metals and non-metals on the basis of
    i. Electrical conductivity
   ii. Reaction with acids
   iii. Reaction with water
18. (a) Define deforestation.
     (b) State two beneficial aspects of recycling paper.
     (c) Differentiate between Zoo and Wildlife Sanctuary. (Any two differences)
 
 Please click the link below to download CBSE Class 8 Science Question Paper Set W.
Question Paper for Class 8 Science
CBSE Class 8 Science Question Paper Set 1 Solved
CBSE Class 8 Science Question Paper Set 2 Solved
CBSE Class 8 Science Question Paper Set 3 Solved
CBSE Class 8 Science Question Paper Set 4 Solved
CBSE Class 8 Science Question Paper Set 5 Solved
CBSE Class 8 Science Question Paper Set 6
CBSE Class 8 Science Question Paper Set A
CBSE Class 8 Science Question Paper Set B
CBSE Class 8 Science Question Paper Set C
CBSE Class 8 Science Question Paper Set D
CBSE Class 8 Science Question Paper Set E
CBSE Class 8 Science Question Paper Set F
CBSE Class 8 Science Question Paper Set G
CBSE Class 8 Science Question Paper Set H
CBSE Class 8 Science Question Paper Set I
CBSE Class 8 Science Question Paper Set J
CBSE Class 8 Science Question Paper Set K
CBSE Class 8 Science Question Paper Set L
CBSE Class 8 Science Question Paper Set M
CBSE Class 8 Science Question Paper Set N
CBSE Class 8 Science Question Paper Set O
CBSE Class 8 Science Question Paper Set P
CBSE Class 8 Science Question Paper Set Q
CBSE Class 8 Science Question Paper Set R
CBSE Class 8 Science Question Paper Set S
CBSE Class 8 Science Question Paper Set T
CBSE Class 8 Science Question Paper Set U
CBSE Class 8 Science Question Paper Set V
CBSE Class 8 Science Question Paper Set W
CBSE Class 8 Science Question Paper Set X

Important Practice Resources for Class 8 Science

CBSE Class 8 Science Question Paper Set W

To understand the types of questions asked in past examinations, it is very important for Class 8 students to solve the CBSE Class 8 Science Question Paper Set W provided above. You can easily download these past papers for Class 8 Science in PDF format for the last 10 years. By practicing these actual exam questions you will gain an understanding of the difficulty level and the variety of topics covered over the years. By solving these Previous Year Papers (PYPs) you will understand both descriptive and MCQ questions in your final tests.

Importance of solving CBSE Class 8 Science Question Paper Set W

Regularly practicing CBSE Class 8 Science Question Paper Set W is the best way to improve your score in Class 8 Science. These papers will give you details of the marking scheme and the paper structure used by the CBSE. By regularly attempting these under actual exam conditions at home, you can slowly improve your time management skills, which will help you to complete your Science paper within the allowed duration.

Benefits of downloading CBSE Class 8 Question Papers

Having the CBSE Class 8 Science Question Paper Set W in PDF format allows you to revise key concepts anywhere, even without an internet connection. These sets are a reliable tool to practice numerical problems and understand the correct approach to all types of answers. After solving the questions, you should compare your work with the solutions provided by our teachers. Along with these papers, students should always solve the Class 8 Science Sample Papers and MCQ tests on studiestoday.com for a complete revision.

Where can I download the official PDF for CBSE Class 8 Science Question Paper Set W?

The CBSE Class 8 Science Question Paper Set W is available for download on StudiesToday.com. It includes complete set with all sections so that Class 8 students can practice with the exact same paper that came in the CBSE exams.

Are the solutions for CBSE Class 8 Science Question Paper Set W based on the official CBSE marking scheme?

Yes, the solutions for CBSE Class 8 Science Question Paper Set W are prepared by subject matter experts as per official marking scheme. Class 8 students will understand the structure of answers and 'step-marks' methodology Science.

How does solving CBSE Class 8 Science Question Paper Set W help in preparing for the 2026 exams?

Solving previous year papers like CBSE Class 8 Science Question Paper Set W is important to understand repeat themes and question difficulty levels of Science. It helps Class 8 students to test their time management skills too.

Can I access CBSE Class 8 Science Question Paper Set W in different languages?

Yes, where applicable, CBSE Class 8 Science Question Paper Set W is available in both English and Hindi mediums. All students from Class 8 can access Science study material in their preferred language.

Is there a charge to download the CBSE Class 8 Science solved papers?

No, all previous year question papers on StudiesToday, including CBSE Class 8 Science Question Paper Set W, are provided free of charge in mobile-friendly PDF.