Practicing a model paper is one of the best ways to prepare for exams.
It helps you understand the pattern, manage time, and identify weak areas.
Below is a Class 8 Science Model Paper designed according to a general school exam pattern. It covers all important sections and question types.



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Class 8 – Science Model Question Paper
Time: 3 Hours
Maximum Marks: 80
General Instructions
- All questions are compulsory.
- The question paper consists of 4 sections – A, B, C, and D.
- Draw neat and labelled diagrams wherever required.
- Use proper units in numerical questions.
Section A – Very Short Answer Questions
(1 × 10 = 10 marks)
Answer the following questions in one word or one sentence.
- Name the process by which plants make their food.
- What is the SI unit of force?
- Which gas is essential for respiration?
- Name the metal used to make electric wires.
- What type of mirror is used as a rear-view mirror?
- Define friction.
- Name the hardest natural substance.
- Which part of the cell controls all activities?
- What is the full form of LCD?
- Which organ helps in breathing in humans?
Section B – Short Answer Questions
(2 × 10 = 20 marks)
Answer any ten questions.
- Define photosynthesis. Write its chemical equation.
- What is combustion? Name its types.
- State two differences between biodegradable and non-biodegradable waste.
- What is a lever? Name its three types.
- Explain why rusting of iron is harmful.
- What are microbes? Name any two useful microbes.
- Define sound. What is its unit?
- What is synthetic fibre? Give two examples.
- State two uses of plastics.
- What is force? Name any two effects of force.
Section C – Long Answer Questions
(4 × 10 = 40 marks)
Answer any ten questions.
- Explain the structure of a plant cell with a neat diagram.
- Describe the process of crop production.
- What is coal? Explain its products and uses.
- Explain the laws of reflection with a diagram.
- Describe the water cycle with the help of a diagram.
- What is sound pollution? Write its causes and effects.
- Explain the process of reproduction in plants.
- Describe the functions of the human digestive system.
- What is friction? Explain its advantages and disadvantages.
- Explain the conservation of natural resources.
Section D – Case Study / Application-Based Questions
(5 × 2 = 10 marks)
Answer any five questions.
- A boy pushes a box on the floor, but it does not move.
- (a) Which force is opposing the motion?
- (b) Name one method to reduce this force.
- Rina observed rust on an iron gate.
- (a) Name the process involved.
- (b) Write one method to prevent it.
- During a science experiment, students observed bubbles forming in water.
- (a) Which gas is released?
- (b) Name the process.
- A sound is produced when a bell is struck.
- (a) What causes sound?
- (b) Name the medium required for sound to travel.
- Plastic waste is increasing day by day.
- (a) Write one harmful effect of plastic.
- (b) Suggest one solution.
How to Use This Model Paper
- Solve it in exam conditions
- Check answers with your textbook
- Focus on weak chapters
- Practice diagrams and definitions
Repeat this process to improve speed and accuracy.
Final Tip
Scoring well in Class 8 Science depends on:
- Clear concepts
- Regular revision
- Writing neat and correct answers
Practice this model paper seriously.
It will boost your confidence before the final exam.