CBSE Class 8 Science Sample Paper Set F

CBSE Class 8 Science Sample Paper Set F. It’s always recommended to practice as many CBSE sample papers as possible before the examinations. The latest sample papers have been designed as per the latest blue prints, syllabus and examination trends. Sample papers should be practiced in examination condition at home or school and also show it to your teachers for checking or compare with the answers provided. Students can download the sample papers in pdf format free and score better marks in examinations. Refer to other links too for latest sample papers.

1. What are crumbs? 

2. Identify the group of organism shown.

3. The calorific value of LPG is 55000 KJ/kg. What do you understand by the statement? 

4. An oxide A2O3 is formed after reaction of an element A with oxygen, it turns red litmus blue. Determine whether the element is a metal or a nonmetal. Also identify the nature of the oxide formed.

5. Question number 6 to 15 in Section-A are three marks questions. These are to be answered in about 50-60 words each.
 
6. Question number 16 to 21 in Section-A are five marks questions. These are to be answered in about 80-100 words each.
 
7. Question number 22 to 27 in Section-B are questions based on practical skills. Each question is of two marks. These are to be answered in about 30-40 words each
 
SECTION - A

1. What are crumbs? 1
 
2. Identify the group of organism shown.
CBSE Class 8 Science Sample Paper Set F
3. The calorific value of LPG is 55000 KJ/kg. What do you understand by the statement? 2
 
4. An oxide A2O3 is formed after reaction of an element A with oxygen, it turns red litmus blue.
Determine whether the element is a metal or a nonmetal. Also identify the nature of the oxide formed.
 
5. Differentiate between diffused and regular reflection.(2 points) 2
6. Draw a well labeled diagram of an animal cell.
OR
Name any two cell organelles found only in plant cell. Also state their role in plant cell.
 
7. Observe the following figure and answer the following questions:
CBSE Class 8 Science Sample Paper Set F
a] Name the organism and the group it belongs to.
b] Where can you easily find it growing? Give the conditions needed for its growth.
3
8. What do you mean by displacement reaction? Explain with the help of an example using a word
equation.
 
9. Joy preferred installing CNG kit in his petrol variant car. Can you explain the reason for his preference? Write full form of PCRA.
OR
Describe how petroleum is formed.
 
10. One should not light a matchstick near a petrol pump. Give reason. Explain the type of combustion that will take place if this precaution is not taken.
 
11. As a part of eco-club activity, students were asked to raise a kitchen garden in the school premises. They were provided with some materials given in the box.
[a] List the other materials you would require for the same.
[b] State the value attributed to these group of students.
khurpi, water-can, spade, shovel
 
12. Two mirrors are placed at right angles to each other. A ray of light is incident on one at an angle of 45°as shown in the figure below. Draw the reflected ray from the second mirror. Also state laws of reflection.
CBSE Class 8 Science Sample Paper Set F
13. Enumerate three uses each of metals and non metals.
 
14. What is vaccination? Name two diseases in human beings which can be prevented by it.
 
15. Identify the following:
[a] it is the fluid present between cell membrane and nucleus.
[b] the membrane which gives rigidity to plant cell.
[c] carrier of gene.
 
16. [a] A copper statue was found to lose its lustre after some time. A dull green coating was deposited over it. Explain the cause.
CBSE Class 8 Science Sample Paper Set F
b] Write a word equation for the reaction between magnesium and hydrochloric acid.
 
17. [a] Sujata’s class teacher explained four types of coal in her class - Peat (60% carbon), Lignite (67% carbon), Bituminous (88% carbon) and Anthracite (96% carbon). Which type of coal out of these is environment friendly and why?
b] List any two ways to keep a check on wastage of fuel.
 
18. [a] Complete the table:
S.No.  Disease        Causative Organisms      Mode Of Transmission
1.    Citrus Canker          ___________                  air
2.       ________             fungi                      air and seeds
3.       __________         virus                      ____________
 
[b] “Curd sets faster in summer than in winter.” Give reason.
OR
With the help of a diagram explain nitrogen cycle.
 
19. [a] We can’t see our surrounding clearly when we enter a darkened cinema hall from bright sunshine but our vision improves after some time. Explain.
      [b] State any two characteristics of image formed by plane mirror.How many images of the pot will be obtained when it is placed in between two plane mirrors placed parallel to each other?
 
20. [a] Explain sprinkler method of irrigation.
     [b] Why ploughing is important?
 
21. Observe the picture and answer the following questions :

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