9110538_COMPASS_SA2_QP_2Part_G03_SCIENCE_PROF_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: [ C ] __ /1M 1. Which of the following is a fruit? [ D ] __ /1M (A) potato (B) carrot [ B ] __ /1M (C) onion (D) tomato [ C ] __ /1M 2. Which of the following is used to make ORS? [ A ] __ /1M (A) lemon juice (B) oil (C) sugar (D) milk 3. Which of the following is a non-renewable source of energy? (A) Sun (B) wind (C) water (D) petrol 4. 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 5. Which of the following is NOT related to hygiene? (A) bath (B) health (C) exercise (D) clean 6. Which of the following objects can float on water? (A) plastic ruler (B) scissors (C) stone (D) eraser

7. Afroz found the following plants in his neighbourhood. [ D ] __ /1M Which of them can be used to make tables and chairs? (A) tulsi (B) lotus (C) rose (D) bamboo Section - B Very Short Answer Questions 26 M Answer the following questions in a word or a sentence: __ /1M __ /1M 8. Write the name of a leaf that we use as food. __ /1M A. Learner's response (Hint: spinach, cabbage) __ /1M __ /1M 9. Give one example of an energy-giving food item. A. oil/potato/sugar (Accept any valid answer.) __ /1M __ /1M 10. Give an example of a solvent used to remove oil stains from clothes. __ /1M A. petrol __ /1M __ /1M 11. Write the name of any one R in the 3R method. __ /1M A. reduce/reuse/recycle (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. For changing water to ice, we need to freeze it. 14. Matter is made of tiny particles. 15. The Sun is the main source of energy available to all living things on the Earth. 16. The plants that grow and spread along the ground are called creepers. 17. Between solids and gases, solids have a definite shape. 18. Peanuts are the seeds of a plant.

Write True or False: __ /1M 19. Substances that can dissolve in water are called insoluble __ /1M substances. __ /1M __ /1M A. False __ /1M 20. Throwing garbage in open fields makes our surroundings unhealthy. __ /1M A. True 21. Using an electric cooker will help to save electricity. __ /1M A. False __ /1M 22. Urinating and defecating near water sources can pollute water. __ /1M A. True __ /1M 23. Lemon juice is insoluble in water. __ /1M 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 soluble substances that get dissolved in a solvent A. solutes 29. The season during which we can sun-dry and preserve food items A. summer

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. petrol 2. [a] b. electricity 3. [d] c. cooking gas 4. [ c ] d. sunlight

31. Write the correct letters in the brackets to match the pictures with their __ /2M descriptions. 1. [b] a. Do not pluck leaves and flowers. 2. [ c ] b. Do not cut trees. 3. [d] c. Grow more plants. 4. [a] d. Put a cage around baby plants. Section - C Short Answer Questions 22 M Answer the following questions in two to three sentences: __ /2M __ /2M 32. Define 'herbs'. Give an example. __ /2M A. The plants which have small, weak and soft stems are called herbs. For example, mint/grass/spinach. (Accept any valid answer.) 33. Define 'rainwater harvesting'. A. The method by which rainwater is collected in tanks or allowed to go underground is called rainwater harvesting. 34. What is Swachh Bharat Abhiyan? What is its aim? A. 'Swachh Bharat Abhiyan' is the cleanliness drive which the Government of India started in 2014 to make India a clean country. Its aim is to end open defecation in our country.

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 valid answer.) 36. Write a short note on solar energy. __ /2M A. We get solar energy in the form of heat and light. Plants use this solar __ /2M energy to prepare their food. __ /2M __ /2M 37. Give two examples each of soluble and insoluble impurities found in __ /2M water. A. Salt/chemicals from factories are soluble impurities found in water. Mud/plastic/sand are insoluble impurities found in water. (Accept any two valid answers.) 38. List any two ways to save energy. A. Learner’s response (Hint: We should switch off lights and fans when not in use. We can choose to walk or ride a bicycle to nearby places.) 39. 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.) 40. List the different types of filters used to filter water. A. Water can be filtered using different types of filters like a mesh, cloth, clay, layers of sand, gravel and charcoal.

Give reasons: __ /2M 41. We use the solid form of matter to make chairs. __ /2M A. Chairs have a definite shape. They do not flow or move on their own. 9M So, we use the solid form of matter to make chairs as it has these properties. __ /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. Explain why we should do the following. a) include outdoor games and exercises in our daily life b) rinse our mouths with water after every meal A. a) Outdoor games and exercises make our body strong and keep us happy. Hence, we should include them in our daily life. b) Rinsing our mouth with water removes the food particles that may be inside the mouth and between our teeth. Hence, we should rinse our mouths with water after every meal. (OR) 47. 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.) Answer any ONE of the following questions 48. Write four properties of water vapour. __ /4M 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)

49. List any two properties and uses of matter in its gaseous form. __ /4M A. Properties of matter in gaseous form: a) Gases do not have a definite shape. b) Particles in gases are very loosely arranged. c) Gases can flow in all directions. (Accept any two valid answers.) Uses of matter in gaseous form: a) The air we breathe is the gaseous form of matter. b) Gases are used to give shape to objects. c) Gases are used to make soft drinks. (Accept any two valid answers.)

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 the different seasons in the word search puzzle given below. A.