CBSE Sample Papers for Class 6 Science
Subject: Science (Sample Paper)
Maximum marks: 90
I. Choose the correct option. (1×12=12)
1. Which of the following is not a fundamental unit?
- a) Metre.
- b) Cubic metre.
- c) Kilogram.
- d) Inches.
2. Which mode of transport was used before 19th century?
- a) By air.
- b) By water.
- c) By Animals.
- d) None of these.
3. What is the standard unit (SI) of time?
- a) Metre (m).
- b) Second(s).
- c) Kilogram (kg).
- d) Inches.
4. Excess of rain may leads to _________.
- a) Drought.
- b) Transpiration.
- c) Floods.
- d) Condensation.
5. The body which emits light by itself is called as _________.
- a) Non luminous body.
- b) Shadow.
- c) Opaque.
- d) Luminous body.
6. How many terminals do an electrical cell has?
- a) Six.
- b) Four.
- c) Zero.
- d) Two.
7. Name the process by which pure water can be obtained from salt water?
- a) Distillation
- b) Decantation.
- c) Sedimentation.
- d) Filtration.
8. The magnets, which keep their magnetism for a longer time, are called as ____________.
- a) Natural magnets.
- b) Artificial magnets.
- c) Permanent magnets.
- d) Bar magnets.
9. What is the type of image formed in a mirror?
- a) Image is shorter than us.
- b) Image is taller than us.
- c) Image is of same size.
- d) None of these.
10. How many magnetic poles does a magnet have?
- a) Three.
- b) Four.
- c) Two.
- d) Zero.
11. What is the air around the earth surface is called as?
- a) Troposphere.
- b) Biosphere.
- c) Atmosphere.
- d) All of these.
12. Which energy gets converted in an electrical bell?
- a) Mechanical energy into sound energy.
- b) Sound energy into electrical energy.
- c) Magnetic energy into sound energy.
- d) Electrical energy into magnetic energy.
II. Give one word answers for the following. (1×12=12)
- Name the scientist who discovered MKS system of units?
- Which is the first city where natural magnet was found?
- Name the process in which the water drops appear on the outer surface of glass with coldwater.
- What is the composition of oxygen gas present in air?
- Which type of motion is used to describe the movement of a butterfly?
- What are the plastic bags, bottles, tins and cans are called as?
- What is the composition of water in a human body?
- Name the gas used by plants for photosynthesis?
- Name the solid that is soluble in water?
- How many millimeters are there in a metre?
- Which device is used to break an electric circuit?
- What happens if North Pole and South Pole of a magnet are brought near to each other?
III. Give reason for the following. (2×6=12)
- Why is the image formed in pinhole camera is inverted?
- Why is paper considered as a non magnetic substance?
- Why should we not throw the plastics bags on roads?
- Why does the sky appear blue?
- Why only opaque objects cast shadow?
- Why an electrician uses a rubber gloves for repairing an electrical devices?
IV. Answer the following questions. (2×6=12)
- What is circular motion?
- What are luminous bodies?
- What is an electric cell?
- What are magnetic substances or materials? Explain with examples?
- How are clouds formed?
- Which gas is essential for burning and breathing?
V. Answer the following questions. (3×9=27)
- Name the inventions of 20th century in the field of transport?
- What is the purpose of using an electric switch?
- What is compass and how it is used to locate or to find the directions?
- What are the important properties of air?
- What are non biodegradable wastes?
- How the earth worms helps in increasing the fertility of the soil?
- What are reflections?
- Express the distance into kilometer, when the distance between Rahul’s home and his school is 5680m?
- Explain the principal behind the working of a pinhole camera?
VI. Answer the following questions. (3×5=15)
- Explain the process of water cycle with a labeled diagram?
- Prove with an experiment that exhaled air contains carbon dioxide?
- What are the five layers of an atmosphere? Explain about the layer in which we all live?
- What is a shadow? How are they formed and explain the different types of shadows?
- Listed below are few house hold materials? Mention the approximate time required for these materials to decompose?
- i. Vegetables and fruit.
- ii. Paper and cotton.
- iii. Polythene bags and other plastic bottles.
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