This quiz works best with JavaScript enabled. Home > Cbse > Class 6 > Science > Changes Around Us > Class 6 Science Chapter 6 Changes Around Us – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 6 Science Chapter 6 Changes Around Us Quiz 3 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is physical change A) Irreversible change. B) Reversible change. C) All the above. D) None of the above. Show Answer Correct Answer: B) Reversible change. 2. Which of the following process is cause Chemical changes in the state of matter? A) Melting. B) Freezing. C) Dancing. D) Boiling. E) Burning. Show Answer Correct Answer: E) Burning. 3. Spreading of Viral infections like COVID-19, is a ..... change A) Slow. B) Fast. C) Moderate. D) Physical. Show Answer Correct Answer: B) Fast. 4. Which factor is responsible for the expansion and contraction of a metallic rod? A) Change in temperature of the rod. B) Change in type of material. C) Change in weight. D) Change in shape. Show Answer Correct Answer: A) Change in temperature of the rod. 5. When object is cooled, it's size A) Increases. B) Decreases. C) Remains same. D) None of the above. Show Answer Correct Answer: B) Decreases. 6. Which of the following is an example of non periodic change? A) Rotation of fan. B) Phases of moon. C) Landslide. D) Movement of earth around sun. Show Answer Correct Answer: C) Landslide. 7. Substances expand on A) Heating. B) Water. C) Boiling. D) Solids. Show Answer Correct Answer: A) Heating. 8. Solids expand on heating and ..... on cooling A) Contract. B) Move. C) Join. D) Change. Show Answer Correct Answer: A) Contract. 9. Which of the following is a Natural Change: A) Cutting of hair. B) Breaking of glass. C) Burning of paper. D) Change of day and night. Show Answer Correct Answer: D) Change of day and night. 10. New substances With different molecules get formed in a physical change A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: A) False. 11. Freezing of water is A) Reversible Change. B) Irreversible. C) All the above. D) None of the above. Show Answer Correct Answer: A) Reversible Change. 12. Name:Plants that grow in deserts and need very small amounts of water for their survival. A) Xerophytes. B) Hydrophytes. C) Saprophytes. D) Mesophytes. Show Answer Correct Answer: A) Xerophytes. 13. Which of the following is a periodic change? A) Volcano. B) Earthquake. C) Pendulum ringing after an hour. D) Flood. Show Answer Correct Answer: C) Pendulum ringing after an hour. 14. Grand canyon is formed due to continuous ..... change. A) Physical change. B) Change change. C) All the above. D) None of the above. Show Answer Correct Answer: A) Physical change. 15. Which one of the steps while burning a candle is not reversible A) Melting of solid wax. B) Liquid wax changes into vapour. C) Wax vapour burns into flame. D) All of these. Show Answer Correct Answer: C) Wax vapour burns into flame. 16. Evaporation of water is a reversible change A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 17. Rusting of iron is A) Slow change. B) Reversible change. C) Fast change. D) Irreversible change. Show Answer Correct Answer: A) Slow change. 18. New product change A) Melting of ice. B) Melting of wax. C) All of above. D) None of the above. Show Answer Correct Answer: A) Melting of ice. 19. While making salt from sea water, ..... process is used. It involves ..... change. A) Condensation, slow. B) Distillation, fast. C) Evaporation, reversible. D) Crystallisation, irreversible. Show Answer Correct Answer: C) Evaporation, reversible. 20. A change in the size, shape, or state of matter. A) Electron change. B) Chemical change. C) Chemical reaction. D) Physical change. Show Answer Correct Answer: D) Physical change. 21. When heated air in the balloon expands A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 22. Milk changes to curd. Can this be reversed? A) Yes. B) No. C) Yes, some times. D) None of the above. Show Answer Correct Answer: B) No. 23. Chopping wood is what kind of change? A) Chemical changes. B) Physical change. C) All the above. D) None of the above. Show Answer Correct Answer: B) Physical change. 24. Define chemical change A) An irreversible chemical reaction involving the rearrangement of the atoms of one or more substances. B) A reversible reaction. C) I don't know. D) Chemicals become seperate. Show Answer Correct Answer: A) An irreversible chemical reaction involving the rearrangement of the atoms of one or more substances. 25. A thick coating of a paste of Plaster of Paris (POP) is applied over the bandage. on a fractured bone. It becomes hard on drying to keep the fractured bone immobilised. Can the change in POP be reversed by us? A) Yes. B) No. C) Doctor can do this. D) None. Show Answer Correct Answer: B) No. 26. Rohit heated water until it became a gas. Which of the following terms describes this change? A) Melting. B) Boiling. C) Condensing. D) Freezing. Show Answer Correct Answer: B) Boiling. 27. Pick the change that can be reversed from the following. A) Cutting of trees. B) Melting of ghee. C) Burning of candle. D) Blooming of flower. Show Answer Correct Answer: B) Melting of ghee. 28. When an object is heated, its size A) Increases. B) Decreases. C) Remains same. D) None of the above. Show Answer Correct Answer: A) Increases. 29. What are the 4 types of Changes? A) Physical, Chemical. B) Physical, Chemical, Reversible. C) Physical, Chemical, Irreversible, Reversible. D) None of the above. Show Answer Correct Answer: C) Physical, Chemical, Irreversible, Reversible. 30. What type of change is boiling of an egg A) Chemical. B) Irreversible. C) Useful. D) All of these. Show Answer Correct Answer: D) All of these. 31. What happends when we heat the metal? A) Metal expands. B) Becomes burnt. C) Rusted. D) Not sure. Show Answer Correct Answer: A) Metal expands. 32. Example of reversible change: A) Melting of ice. B) Liquid to gas. C) Shaping clay. D) All of these. Show Answer Correct Answer: D) All of these. 33. Grain to its flour, is this reversible or not? A) Yes. B) No. C) Don't know. D) None of the above. Show Answer Correct Answer: B) No. 34. A seed grows to form a seedling and further a plant, this is a ..... change A) Slow. B) Reversible. C) Temporary. D) Fast. Show Answer Correct Answer: A) Slow. 35. Which is a way to make a change happen? A) Heating a substance. B) Cooling a substance. C) Mixing a substance with another substance. D) All of these. Show Answer Correct Answer: D) All of these. 36. Paheli Had Bought A New Bottle Of Pickle From The Market. She Tried To Open The Metal Cap To Taste It But Could Not Do So. She Then Took A Bowl Of Hot Water And Immersed The Upper End Of The Bottle In It For 5 Minutes. She Could Easily Open The Bottle, As: A) Expands and open easily. B) Contracts and open easily. C) No changes in sizes. D) First contracts then expand easily. Show Answer Correct Answer: A) Expands and open easily. 37. Ageing of human is which type of change A) Physical change. B) Chemical change, irreversiblechange, desireble change. C) Irreversible, physical change. D) None of the above. Show Answer Correct Answer: B) Chemical change, irreversiblechange, desireble change. 38. Look at to the the statements below. Which one is an example of chemical change? A) Melting of ice. B) Burnng of paper. C) Breaking of glass. D) Blowing a balloon. Show Answer Correct Answer: B) Burnng of paper. 39. Substances increase in size of heating A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 40. Metal rim is fixed to the wooden cart wheel by A) Cooling metal rim. B) Heating wooden wheel. C) Cooling wooden wheel. D) Heating metal rim. Show Answer Correct Answer: D) Heating metal rim. 41. Melting of ice is an example of ..... change. A) Reversible. B) Irreversible. C) All the above. D) None of the above. Show Answer Correct Answer: A) Reversible. 42. When ice melts to form water, then a change occurs in its A) Composition. B) Temperature. C) Position. D) State. Show Answer Correct Answer: D) State. 43. Photosynthesis is an example of a A) Chemical change. B) Physical change. C) All the above. D) None of the above. Show Answer Correct Answer: A) Chemical change. 44. Which one of the following is a beneficial change? A) Spoilage of food. B) Rusting of iron object. C) Souring of milk. D) Ripening of fruit. Show Answer Correct Answer: D) Ripening of fruit. 45. The burning of wood is an irreversible change A) False. B) True. C) Neither true nor false. D) None of the above. Show Answer Correct Answer: B) True. 46. If we sharp a pencil its size gets short but can we get back the original pencil back?? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 47. Boojho Appeared In Class Test Where He Wrote Some Statements But He Confused To Know The Statements Which Are Related To "Reversible Changes" . Would You Help Him To Know That? A) Folding of dress to pass through a waterlogged area. B) Making cheese paneer from milk. C) Weathering of rocks. D) Cow dung to biogas. Show Answer Correct Answer: A) Folding of dress to pass through a waterlogged area. 48. Which is a property of matter that you CANNOT observe just by looking at an object? A) Temperature. B) Shape. C) Color. D) None of the above. Show Answer Correct Answer: A) Temperature. 49. What type of steel in used in pendulums? A) Inver steel. B) Steel. C) Inat steel. D) Invar steel. Show Answer Correct Answer: D) Invar steel. 50. Change of state is A) An irreversible change. B) Reversible Change. C) All the above. D) None of the above. Show Answer Correct Answer: B) Reversible Change. 51. What is irreversible change? A) A change which cannot be reversed. B) A change which can be reversed. C) Both. D) None of these. Show Answer Correct Answer: A) A change which cannot be reversed. 52. Which of the following examples shows Living things grow.? A) Child into an adult. B) Crayons into paints. C) Pencil into pen. D) None of these. Show Answer Correct Answer: A) Child into an adult. 53. Which of the following is a slow irreversible change? A) Rusting. B) Aging. C) Ripening of fruits. D) All of these. Show Answer Correct Answer: D) All of these. 54. RUBBER BAND IS AN EXAMPLE OF REVERSIBLE CHANGE True or False A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 55. Which of these is the smallest particle? A) A molecule. B) A water drop. C) An atom. D) A speck of dust. Show Answer Correct Answer: C) An atom. 56. Raw egg to boiled eggs, is this change is reversible? (Yes/no) A) No. B) Yes. C) Don't know. D) None of the above. Show Answer Correct Answer: A) No. 57. Can a same substance undergo both physical and chemical changes. A) YES. B) NO. C) All the above. D) None of the above. Show Answer Correct Answer: A) YES. 58. There are periodic and non-periodic changes. The changes that occur after a fixed time period are termed as periodic. The example of periodic changes is ..... A) Falling of leaves. B) Beating of heart. C) Earthquakes. D) Growth of children. Show Answer Correct Answer: B) Beating of heart. 59. A change which is permanent in nature. A) Irreversible. B) Reversible. C) All the above. D) None of the above. Show Answer Correct Answer: A) Irreversible. 60. Which of these is NOT an irreversible change? A) Burning. B) Melting. C) Rusting. D) None of the above. Show Answer Correct Answer: B) Melting. ← PreviousNext →Related QuizzesScience QuizzesClass 6 QuizzesClass 6 Science Chapter 6 Changes Around Us Quiz 1Class 6 Science Chapter 6 Changes Around Us Quiz 2Class 6 Science Chapter 6 Changes Around Us Quiz 4Class 6 Science Chapter 6 Changes Around Us Quiz 5Class 6 Science Chapter 6 Changes Around Us Quiz 6Class 6 Science Chapter 6 Changes Around Us Quiz 7Class 6 Science Chapter 6 Changes Around Us Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books