CBSE Class 8 Science Revision Worksheet Set A

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THE INDIAN HEIGHTS SCHOOL

CLASS -VIII

SUBJECT- SCIENCE

REVISION WORKSHEET

NAME- DATE- __Sept 11, 2013

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1. What is spring balance?

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2. Name two objects having streamlined body to reduce friction.

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3. Differentiate between :

a. Sliding Friction and Static Friction.

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b. Rapid Combustion and Spontaneous Combustion.

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4. Give reasons.

a. The tyres of vehicles are made with grooves.

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b. All machines in industries and factories need to be lubricated regularly.

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c. Bodies of aeroplanes are streamlined.

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5. What are the necessary conditions for the combustion to take place.

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6. Kapil burnt a piece of coal and paper separately. He observed that the paper burnt with a flame while the piece of coal burnt without a flame. Why is it so?

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7. Why should fossil fuels be used judiciously?

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Please refer to attached file for CBSE Class 8 Science Worksheet - Revision Worksheet (1)