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DELHI PUBLIC INTERNATIONAL SCHOOL, SESSION: 2021-22, GRADE-4, SUBJECT- SCIENCE, REVISION PAPER, Date:, , Total marks:20, , Student Name:, , Marks obtained:, , Roll no.:, , Time duration:1hour, , General Instructions:•, , Read the questions carefully. All questions are compulsory., , •, , Write in neat and clear handwriting. Draw neat and well labelled diagrams (if any), , •, , The answers are to be written with pencil/blue pen only., , A. Choose the correct option., , (2), , Q1. Which of the following factors is responsible for weather changes?, a) Revolution of earth, , b) Rotation of earth, , c) Sun, , d) All of these, , Q2. Which of these is not a planet?, a) Venus, , b) Earth, , c) Saturn, , d) Moon, , Q3. What kind of weather is the most uncomfortable?, a) Hot and dry, b) d) Cool and dry, , b) Cool and humid, , c) Hot and humid, , Q4. The red planet, a) Moon, , b) Mars, , c) Venus, , B. Define the following :( Do any two), , d) Jupiter, , (2), , 1. Solar system, 2. Equator, 3. Condensation, C. Fill in the blanks., 1. The planet with the largest number of Moons. ___________, 2. The water vapour upon cooling forms ___________., 3. The hottest planet. ________, 4. Wind blowing from land to sea. ___________, , (2)

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D. Write T for true or F for False., , (2), , 1. When the northern hemisphere has day the southern hemisphere has night., 2. The tiny droplets of the water present in air is called mist., 3. The axis of the earth is an imaginary line around which the Earth rotates., 4. Hot air is heavier than cold air., E. Answer these questions., Q1. What is water cycle?, Q2, List the outer planets and the inner planets., Q3. What are the two poles of the earth called?, Q4. List the different form into which water condenses and returns to the ground., Q5. Draw a diagram of Sea breeze and Land breeze., OR, Draw a diagram of Solar system., , (12)