CBSE Class 8 Science Question Paper Set W

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Read and download CBSE Class 8 Science Question Paper Set W designed as per the latest question paper pattern and Class 8 examination guidelines issued by CBSE, NCERT and KVS. The past year Question Papers for Class 8 Science have been provided with solutions which will help students to assess their performance and find out topics in Science Class 8 which they need to improve to get better marks in Class 8 exams. After solving these last year papers also refer to solved Sample Papers for Class 8 Science available on our website to build strong understanding of the subject

Science Question Paper Class 8

Students can refer to the below Class 8 Science Question Paper designed to help students understand the pattern of questions that will be asked in Class 8 exams. Please download CBSE Class 8 Science Question Paper Set W

Science Class 8 Question Paper

 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
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Previous Year Question Paper Class 8 Science

CBSE Class 8 Science Question Paper Set W

We hope you liked the above provided CBSE Class 8 Science Question Paper Set W. To get an understanding of the type of questions which were asked in previous year exams, it is important for Class 8 students to refer to CBSE Class 8 Science Question Paper Set W that we have provided above. Students can download all the Question Papers for Class 8 Science which were issued in the exams so that you can practise them and solve all types of questions which have been asked till now. By doing all CBSE Class 8 Science Question Paper Set W PYP (previous year papers) you will understand the regular questions and MCQ questions for Class 8 Science which are always asked and learn them so that you can get full marks in those questions. You can download CBSE Class 8 Science Previous Year Question Papers and Class 8 Science Sample Papers in PDF. You should attempt all the last year question paper for Class 8 and Class 8 Science MCQ Test in examination conditions at home and then compare their answers with the solutions provided by our teachers.
 

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