PINNACLE_SA1_QP_3Term_G03_SCIENCE_BEG_A_60_AY2223_AK

Grade: 3 Time: 150 Minutes Subject: EVS Marks: 60 Teacher's Copy Section – A Multiple Choice Questions 10M Choose the correct answer: 1. When a force is applied in the direction opposite to the direction of an object, it is called: [ D ] ___/1M [ C ] ___/1M (A) motion (B) push [ B ] ___/1M [ D ] ___/1M (C) movement (D) pull [ C ] ___/1M [ B ] ___/1M 2. Which of the following is a sensory organ? (A) hand (B) leg (C) tongue (D) arm 3. Which of these types of force attracts objects made of iron? (A) muscular force (B) magnetic force (C) gravitational force (D) mechanical force 4. A balloon filled with air weighs more than an empty balloon because: (A) Air occupies space. (B) Air is a mixture of gases. (C) Air is colourless. (D) Air has mass. 5. Which of these is used to treat scurvy? (A) apple (B) banana (C) lemon (D) sugar 6. Which appliance is shown in the picture below? (A) Coffee maker (B) induction stove (C) electric cooker (D) vegetable cutter 7. Which of these types of force is applied using parts of our body? [ D ] ___/1M [ A ] ___/1M (A) magnetic force (B) gravitational force (C) mechanical force (D) muscular force 8. What do we call the things that have a definite shape and volume? (A) solids (B) liquids (C) gases (D) air

9. The food item 'A' is cooked in water. Identify the method used to cook food item 'A'. [ C ] ___/1M (A) freezing (B) frying (C) boiling (D) baking 10. A ball thrown from point A reached point B in 10 seconds on a hot sunny day, and in 12 seconds on a windy day. Which property of force is described in the given situation? [ D ] ___/1M (A) Force changes the shape of an object. (B) Force changes the direction of movement of an object. (C) Force stops the movement of an object. (D) Force changes the speed of motion of an object. Section - B Very Short Answer Questions 24M Fill in the blanks: ___/1M 11. Garlic is called the poor man’s antibiotic. 12. Anything that occupies space and has mass is called matter. ___/1M 13. No one should see or touch our private parts. ___/1M 14. Eyelids and eyelashes protect the eyes from dust and other foreign particles. ___/1M 15. To prevent the loosely packed particles in perfume spray from moving out, it is kept in pressure packed containers. ___/1M 16. The force applied by the Earth to pull objects towards itself is called gravitational force. ___/1M Write True or False: 17. Muscular force is a contact force. ___/1M A. True 18. Petrol is a gaseous fuel. ___/1M A. False 19. Cooking food in a pressure cooker retains nutrients in the food. ___/1M A. True 20. A pencil does not have a definite volume. ___/1M A. False 21. While grinding spices in a mixer grinder, force is applied by hands. ___/1M A. False 22. Change of solid into liquid on heating is called melting. ___/1M A. True

Answer the following questions in a word or a sentence: ___/1M 23. What kind of force is used to make a clay pot? ___/1M A. muscular force ___/1M 24. What is the name given to an eye doctor? ___/1M A. ophthalmologist ___/1M 25. What do we call the people who are unable to use any one or more sense organs? ___/1M A. differently-abled ___/1M 26. Write the name of any one substance in gaseous state. A. smoke/spray/water vapour/steam (Accept any valid answer.) ___/5M 27. Write the name of the force exerted by a surface when an object moves on it. A. frictional force 28. For how long is the idli batter fermented before use? A. eight hours 29. Write the name of the instrument that is used to measure temperature. A. thermometer Match the following: 30. Write the correct letters in the brackets to match the pictures with their descriptions. 1. [ c ] a. rub the palms 2. [ a ] b. rub the thumbs 3. [ e ] c. apply enough soap 4. [ b ] d. rub the ends of the wrists 5. [ d ] e. rub both hands holding all fingers (interlocked)

Section - C Short Answer Questions 18M Answer the following questions in three to four sentences: 31. How do we prepare coriander tea? What are its benefits? ___/3M A. One tablespoon of coriander powder is mixed to two or three cups of water. Jaggery is added to this and boiled for five minutes. It improves digestion. 32. Write any three differences between coal and LPG based on their properties and uses. ___/3M A. Coal LPG a) It is a solid fuel. a) It is a gaseous fuel. b) It has a definite shape and volume. b) It neither has a fixed shape nor a fixed volume. c) It is used to run vehicles such as trains. c) It is used as cooking gas. 33. On which of the following surfaces will a ball move faster? Why? a) a carpeted floor b) a smooth non-carpeted floor ___/3M A. A ball will move faster on a smooth non-carpeted floor due to less friction. A carpeted floor develops more friction. This will act against the movement. 34. Aruna saw small droplets of water on her window pane in the morning, but they disappeared after a few hours. Write the reason for the same. ___/3M A. At night, due to cold conditions, the water vapour in the air condenses to form small droplets of water on the surface of the window pane. These droplets evaporate as water vapour in the daytime when the temperature increases. 35. How can we protect our skin? ___/3M A. We can protect our skin by using mild soap and keeping our skin dry and clean. We should dry our skin by rubbing gently with a dry cloth. If we feel any itching, or have an infection or injury on the skin, we should consult a doctor. 36. Distinguish between solids, liquids and gases in the table given below: ___/3M A. Solids Liquids Gases Packing of particles tightly packed loosely packed very loosely packed Shape and volume fixed shape no fixed shape no fixed shape or and volume but fixed volume fixed volume

Section – D Long Answer Questions 8M Answer the following questions in four to five sentences: Answer any ONE of the following questions 37. Write any four safety measures one should follow while using the bathroom. ___/4M A. a) Do not play with water or run around in the bathroom. b) Do not touch sharp objects kept in the bathroom. c) Do not leave the soap bar on the floor. d) Do not touch electric switches with wet hands. e) Do not leave the bathroom floor wet. f) Use hot water under the supervision of an adult. (any four) (OR) 38. Explain how the changes in the state of water help in the survival of life on Earth. (Hint: evaporation, clouds, condensation, rainfall) ___/4M A. The water from the water bodies evaporates and forms clouds. The water vapour in the clouds condenses and comes down as rain. Rain is the main source of water on the Earth and helps in the survival of life. Answer any ONE of the following questions 39. How are forces helpful to us? ___/4M A. Forces help us to do the following things: a) change the direction of movement b) change the speed of moving objects c) stop a moving object d) change the shape of an object (OR) 40. Describe four safety measures to be followed in the kitchen. ___/4M A. a) Never play with knives, matchboxes and glassware. b) Use a cloth to hold hot pans. c) Inform an adult in case you smell cooking gas leakage. d) Turn off electrical gadgets immediately after use.