CBSE Class 8 Science Sample Paper Set K

Science
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Read and download the CBSE Class 8 Science Sample Paper Set K, designed by expert teachers according to the latest 2025-26 curriculum and examination pattern issued by CBSE, NCERT, and KVS. These Class 8 Science sample papers include detailed step-by-step solutions, helping students to practice and evaluate their performance against the most recent marking schemes.

Solved Sample Paper for Class 8 Science PDF

Our Class 8 Science model papers are important for understanding the weightage of different chapters and the difficulty level of expected questions. By solving these guess papers Class 8 students can identify weak areas and improve time management. We also suggest referring to our Class 8 Science Question Papers of previous years to further strengthen your exam preparation.

Class 8 Science Sample Paper with Solutions

CBSE Class 8 Science Sample Paper Set K. It’s always recommended to practice as many sample papers as possible before the examinations. Students can download the sample papers and also question papers of previous years to practice and score better marks in examinations. Refer to other links too for more sample papers.

 

1. Answer the following questions briefly :

(a) How does atmospheric pressure vary with altitude ?

(b) Why are some fibres called synthetic ?

(c) How isWildlife sanctuary different from national park ?

(d) Jia notes down some features of organism X.

Organism X

It is a micro-organism

It needs air, food and water

It can be used to make bread

Identify the organism

(e) Does pure water conduct electricity? Whatcan you do to increase itsconductivity?

(f) What is composition of poly-wool ?

(g) The diagram below shows two types of organisms

Class_8_Science_ Question_Paper_13

Write one feature which is common in these organisms ?
(h) Why rayon is called artificial silk ?
(i) What are the long-term effects of using fertilizers in the field ?
(j) Two friends A and Bare applying a force of2N and 4N on a box in the same direction.
 
Calculate the total force applied by them.
(k) Why gold is used in pure zari work on saris and other dress materials ?
(l) Name two contact forces.
(m) What is vibration ?
(n) Name one metal which satisfies each of the following description.
 
I. a metal that replaces silver from silver nitrate solution
II. a metal that burns in oxygen with a· bright white light.
 
(o) What is the significance of Red Data Book ?
(p) Write the full form of LED.
2. How does deforestation lead to desertification ? (2xl3=26)
3. ·Saloni took a piece of burningcharcoal and collected the gas evolved in a test tube :
 
  (a) How will she find the nature of the gas ?
· (b) Write down the word equation of all the reactions taking place in this process.
 
-4. Recycling of paper conserve our natural resources. How ?
 
5. Rahul and Rohan brought some iron nails for their class project in advance. While Rahul kept his iron nails neatly packed in an air tight box, Rohan carelessly left his iron nails in the open. In which condition did they find their iron nails after some time. Give appropriate reason for your answer.
 
6. A pendulum oscillates 40 times in 4 seconds. Find its time period and frequency.
 
7. What points should be kept in mind while sowing seeds ?
 
8. What is the best time to remove weeds from the field ? Why ?
 
9. One day Radha went to a jewelers shop with hermother.Her mother gave an old jewelry to the goldsmith to polish.Next day when they brought the jewelry back, they found that there was a slight loss in its weight. Explain the reason behind this.
 
10. Why is it dangerous to leave plastic bags near a burning stove ?
 
11. Describe how are we able to hear sound.
 
12. (i) Can we hear sound on moon ? Give reason in support of your answer.
(ii) What is the range of audible sound ?
 
13. You must have heard the slogan, "Say no to poly bag". Give two reasons in support of this slogan.
 
14. Differentiate between
(a) monomer and polymer
(b) thermosetting plastics and thermoplastics
 
15. Comment on the following statements :
(a) Refrigerators and freezers have a plastic foam core.
(b) Electrical wires have a plastic covering.
(c) Non-stick cookware have Teflon coating.
 
16. How does the percentage of nitrogen remains constant in atmosphere ? Explain with the help of flowchart.
 
17. What happens when
(a) an iron knife is kept dipped in blue copper sulphate solution.
(b) Zinc piece is added into aluminum nitrate solution ?
(c) Silver is added into silver nitrate solution ?
 
18. Give reasons :
(i) Porters place a round piece of cloth on their head to lift load.
(ii) Mountaineers suffer nose bleeding at high altitudes.
(iii) Soles of shoes are grooved.
 
19. What is the impact of deforestation on :
(i) wildlife (ii) future generation
(iii) villages
 
20. (i) Suppose your writing table has titled a little. Abook kept on it starts sliding down. Show diagrammatically direction of frictional force acting on it.
     (ii) Why friction is regarded as a friend and a foe ?
 
21., Why is water important for crops ?
CBSE Class 8 Science Sample Paper Set K
22. Give reasons :
(a) Why can't copper displace zinc from its salt solution ?
(b) Why can't wires of coal drawn ?
(c) What happens when a burning matchstick is brought near to the mouth of a test tube in which a metal has reacted with hydrochloric acid ?
 
23. Differentiate between
(i) sliding and static friction.
(ii) contact and non-contact force.
 
24. (a) Mosquitoes are harmful insects that spread diseases to man.The best way to get rid of them is t:o get rid of any stagnant water.
CBSE Class 8 Science Sample Paper Set K
Based on the diagram above, explain how getting rid of stagnant water prevents mosquitoes from breeding.
(b) What steps should be taken to prevent food poisoning ?
(c) Complete the table given below :
Name of the food
item
Preservative used Reason
Meat/fish
-------------------r------------------
Milk
 
25. (i) What is electroplating ? •
(ii) With the help of a circuit diagram explain electroplating of a steel spoon.
 
 

Please click the link below to download CBSE Class 8 Science Sample Paper Set K.

Science Sample Papers for Class 8
CBSE Class 8 Science Sample Paper Set 1
CBSE Class 8 Science Sample Paper Set A
CBSE Class 8 Science Sample Paper Set B
CBSE Class 8 Science Sample Paper Set C
CBSE Class 8 Science Sample Paper Set D
CBSE Class 8 Science Sample Paper Set E
CBSE Class 8 Science Sample Paper Set F
CBSE Class 8 Science Sample Paper Set G
CBSE Class 8 Science Sample Paper Set H
CBSE Class 8 Science Sample Paper Set I
CBSE Class 8 Science Sample Paper Set J
CBSE Class 8 Science Sample Paper Set K
CBSE Class 8 Science Sample Paper Set L
CBSE Class 8 Science Sample Paper Set M
CBSE Class 8 Science Sample Paper Set N
CBSE Class 8 Science Sample Paper Set O
CBSE Class 8 Science Sample Paper Set P
CBSE Class 8 Science Sample Paper Set Q
CBSE Class 8 Science Sample Paper Set R
CBSE Class 8 Science Sample Paper Set S
CBSE Class 8 Science Sample Paper Set T
CBSE Class 8 Science Sample Paper Set U
CBSE Class 8 Science Sample Paper Set V
CBSE Class 8 Science Sample Paper Set W
CBSE Class 8 Science Sample Paper Set X
CBSE Class 8 Science Sample Paper Set Y
CBSE Class 8 Science Sample Paper Set Z

Important Practice Resources for Class 8 Science

How to download CBSE Class 8 Science Sample Paper Set K in PDF?

Students can easily download the CBSE Class 8 Science Sample Paper Set K from our website to prepare for their upcoming examinations. To score high marks, it is important for Class 8 students to understand the exaact pattern as per which teachers design the question papers. We strongly suggest that you practice these latest sample papers for Science and solve different types of questions that are expected to come this year. You can downloadin PDF format so that you can practice offline. We also recommend that Class 8 students solve these papers actual exam conditions at home.

Why should you solve CBSE Class 8 Science Sample Paper Set K?

Practicing these model papers has several benefits for Class 8 students:

  • New Question Bank: This set has fresh questions for Science which are different from previous years.
  • Exam Pattern Knowledge: Solving more sets will help you to understand the weightage of each chapter in Class 8 and also the type of questions asked.
  • Identify Weak Areas: Comparing your score in each set to find out topics in Class 8 Science for which you need hard work.
  • Speed and Accuracy: Attempting MCQ questions and long-form problems for Class 8 Science makes you faster and better and you will be able to finish your exam on time.

What should you do after solving CBSE Class 8 Science Sample Paper Set K?

  1. Check Your Work: Match your answers with the solutions given by our teachers in the Science Sample Paper PDF.
  2. Learn from Mistakes: Class 8 students should focus on the questions which you solved incorrectly and understand the error.
  3. Revision: If you find a question difficult you shoul refer to NCERT book for Class 8 Science to understand concepts and then try the question again.
  4. Continuous Practice: Solve multiple sets of Science sample papers from studiestoday.com to build confidence before the CBSE exams.
Where can I download the PDF for CBSE Class 8 Science Sample Paper Set K?

You can download the complete PDF for CBSE Class 8 Science Sample Paper Set K for free from StudiesToday.com. Our resources for Class 8 Science are updated for the latest academic session and follow the official exam pattern.

Are solutions provided for CBSE Class 8 Science Sample Paper Set K?

Yes, CBSE Class 8 Science Sample Paper Set K comes with detailed, teacher-verified solutions. We have provided step-by-step answers for Science to help students of Class 8 understand correct methodology and marking scheme.

How can practicing CBSE Class 8 Science Sample Paper Set K help in exam preparation?

Practicing this Science paper helps in time management and identifying important topics. For Class 8, solving mock papers is the best way to gain confidence and reduce exam-day anxiety.

Is the CBSE Class 8 Science Sample Paper Set K accessible on mobile and tablets?

Yes, all our study materials for Class 8 Science are provided in a mobile-friendly PDF format. You can easily download CBSE Class 8 Science Sample Paper Set K on your mobile device.