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DELHI PUBLIC INTERNATIONAL SCHOOL, SESSION: 2021-22, GRADE-5, SUBJECT SCIENCE, REVISION WORKSHEET, 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 these can be used to remove soluble impurities from water ?, a) Chlorination, , b) Boiling, , c) Filtration, , d) Sedimentation, , Q2. Which of these is not found on the moon ?, a) Gravity, , b) Lake, , c) Sunlight, , d) Mountain, , Q3. Which of these is not the property of air ?, a) Air has no weight, b) d) Air occupies space, , b) Air exerts pressure, , c) Air helps burning, , Q4. The first human to land on the moon ., a) Rakesh Sharma, , b) Sunita Williams, , c) Yuri Gagarin, , B. Define the following :( Do any two), , d) Neil Armstrong, , (2), , 1. Stratosphere, 2. Bump, 3. Waxing, C. Fill in the blanks., 1. Pouring out liquid from a mixture ___________., 2. Period when sea level has fallen ____________., 3. Night when moon is not visible __________., , (2)

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4. The thick layer of air around earth is called the _________., D. Write T for true or F for False., , (2), , 1. Gravity on the moon is six times that on the earth., 2. Using syringe is an example of air exerting pressure., 3. Air gets thinner as you go up., 4. No astronauts have gone to the moon after1972., E. Answer these questions., Q1. Define the process of sedimentation., Q2. Name the layers of the earth?, Q3. What are some of the challenges faced by astronauts during their space missions?, Q4. List the steps involved in cleaning water for supply in a town., Q5. Draw a diagram of filtration., OR, Draw a diagram of different layers of the Earth., ., , (12)