9110469_COMPASS_SA2_QP_2Part_G03_SCIENCE_BEG_A_80_AY1920_AK

Grade :3 Time :150 Subject :Science Minutes Marks :80 Teacher's Copy 7M Section - A Multiple Choice Questions [ D ] __ /1M Choose the correct answer: [ D ] __ /1M 1. Which of the following is a non-renewable source of [ D ] __ /1M energy? [ C ] __ /1M (A) Sun (B) wind [ C ] __ /1M (C) water (D) petrol 2. When the drinking water supplied to his home got tested, Atul’s father got to know that it contained harmful germs. Which of the following methods can be used to purify it? (A) add clay (B) add salt (C) leave it in a container for (D) add chlorine a while 3. Which of the following makes our surroundings unhealthy? (A) using toilets for (B) recycling old newspapers defecation (C) throwing waste in proper (D) throwing garbage in bins open fields 4. Daniel’s family decided to use a renewable energy source for cooking. Which of the following would they use? (A) LPG stove (B) kerosene stove (C) solar cooker (D) coal stove 5. Which form of matter is a fizzy soft drink? (A) solid (B) liquid (C) liquid and gas (D) solid and gas

6. Ira got to know from TV news that people in her native [ C ] __ /1M [ B ] __ /1M village had become sick after drinking polluted water. Which of the following can be a root cause for water pollution? (A) chewing tobacco (B) reducing the use of plastic (C) urinating and defecating (D) using proper bins for near water sources waste disposal 7. Ashraf was falling sick frequently. Which of the following items should he eat to protect himself from illness? (A) chocolate (B) fruits and vegetables (C) chips (D) biscuits Section - B Very Short Answer Questions 26 M Answer the following questions in a word or a sentence: __ /1M __ /1M 8. What is energy? __ /1M A. ability to do work __ /1M __ /1M 9. Write the name of a leaf that we use as food. A. Learner's response (Hint: spinach, cabbage) __ /1M __ /1M 10. Write the name of the universal solvent. __ /1M A. water 11. Give an example of a substance that does not dissolve in water. A. paper/pen/chalk/oil (Accept any valid answer.) 12. What do we call the process of removing all unwanted and unhealthy substances from water? A. water purification Fill in the blanks: 13. We should sleep daily for at least 7-8 hours. 14. We should wash our hands with water and soap. 15. The Sun is the main source of energy on the Earth.

16. Trees have woody stems. __ /1M __ /1M 17. The plants that grow and spread along the ground are called __ /1M creepers. __ /1M 18. For changing water to ice, we need to freeze it. __ /1M __ /1M Write True or False: __ /1M 19. Sugar does not dissolve in hot water. __ /1M A. False __ /1M 20. Clear water may contain impurities. A. True __ /1M 21. Substances that can dissolve in water are called insoluble __ /1M __ /1M substances. __ /1M A. False 22. Lightning helps in the formation of clouds. __ /1M A. False 23. Lemon juice is insoluble in water. A. False 24. Erasers are soluble in water. A. False Name the following: 25. Everything that we can see, touch or smell A. matter 26. The form of matter which makes a lake A. liquid 27. The solvent used to dissolve wall paints which are not soluble in water A. kerosene 28. The process in which rainwater is collected in tanks or allowed to go underground A. rainwater harvesting 29. A sieve or mesh used to separate clean water from insoluble impurities A. filter

Match the following: __ /2M 30. Write the correct letters in the brackets to match the things with the sources of energy that they need. 1. [b] a. sunlight 2. [ c ] b. electricity 3. [d] c. cooking gas 4. [a] d. petrol

31. Write the correct letters in the brackets to match the pictures with their __ /2M descriptions. 1. [d] a. Do not pluck leaves and flowers. 2. [ c ] b. Put a cage around baby plants. 3. [b] c. Grow more plants. 4. [a] d. Do not cut trees. Section - C Short Answer Questions 22 M Answer the following questions in two to three sentences: __ /2M 32. What is Swachh Bharat Abhiyan? What is its aim? __ /2M A. 'Swachh Bharat Abhiyan' is the cleanliness drive which the __ /2M Government of India started in 2014 to make India a clean country. Its aim is to end open defecation in our country. 33. What do plants need to make their food? A. Plants need sunlight along with water and air to make their food. 34. Define 'climbers'. Give an example. A. Plants that cannot stand straight without support are called climbers. For example, money plant/pea plant. (Accept any valid answer.)

35. Write any two differences between the properties of ice and water. __ /2M Ice Water A. Ice Water a) It has a fixed shape. a) It takes the shape of the vessel it is kept in. b) It cannot flow. b) It can flow from higher levels to lower levels. (Accept any two valid answers.) 36. List any two ways to save energy. __ /2M A. Learner’s response (Hint: We should switch off lights and fans when __ /2M not in use. We can choose to walk or ride a bicycle to nearby __ /2M places.) __ /2M __ /2M 37. Sebastian wants to go for a tour to take photographs of the flowers of a variety of trees. Which season will be most appropriate? Why? A. Spring will be the appropriate season to take photographs because, during spring, trees start to flower. Moreover, spring provides good weather for outdoor activities. 38. Define 'solution'. List the ingredients used for making ORS. A. When a solute dissolves in a solvent, a solution is formed. The ingredients used for making ORS are drinking water, salt and sugar. 39. Why do we use the solid form of matter to make a chair? A. A chair should have a definite shape, and it should not flow or move on its own. So, we use solids as they have these properties. 40. What are the common properties of water in all forms? A. Water in any form occupies space. Pure water in any form has no colour, smell or taste.

Give reasons: __ /2M 41. We should exercise and take part in outdoor games every day. __ /2M A. Exercises and outdoor games make our body strong and keep us 9M happy. Hence, we should exercise and take part in outdoor games every day. __ /3M 42. We should not use a punctured swimming float in water. A. We may drown if we use a punctured swimming float in water. This is because the air inside the float will move out through the puncture. Section - D Graphic Organisers 43. Using the pictures as hints, complete the given table on the ways to live a healthy life. A.

44. Using the pictures as hints, complete the given table on the causes of __ /3M river pollution. A.

45. Using the pictures as hints, complete the given table on the ways to __ /3M save water. A.

Section - E Long Answer Questions 8M Answer the following questions in four to five sentences: __ /4M Answer any ONE of the following questions __ /4M 46. Write four properties of water vapour. A. a) It has no specific shape. b) It flows in all directions. c) It occupies space. d) It has no colour, smell or taste. (OR) 47. What will you do in the following cases? a) Last year’s notebooks have blank pages. b) You have some old clothes that won’t fit you anymore. A. a) Learner's response (Hint: We can remove those pages and staple or bind them to make a rough notebook or diary.) b) Learner's response (Hint: We can donate them to needy people, we can make quilts or curtains using these clothes and so on.) Answer any ONE of the following questions __ /4M __ /4M 48. Write the names of any four plant products and the plant part that we get them from. A. a) Oil: We get this from the seeds of plants. b) Perfume: We get this from the flowers of plants. c) Wooden spoon: We get this from the stems of plants. d) Apple: We get this from the fruits of plants. e) Ginger: We get this from the stems of plants. f) Cabbage: We get this from the leaves of plants. (Accept any four valid answers.) (OR) 49. We can keep a banana on a table, but we need a container to keep some milk. Why? A. A banana is solid and does not flow. So, we can keep it on a table. Milk is a liquid, and it flows from a high level to a low level. So, we need a container to keep it.

Section - F Diagram Based Questions 8M 50. Label the given diagram of the water cycle. __ /4M A.

51. Draw a labelled diagram to show the arrangement of particles in __ /4M liquids and gases. A.

Section - G Surprise Question 5M Try this! __ /5M 52. Find the names of five impurities found in water in the word search puzzle given below. A.