This quiz works best with JavaScript enabled. Home > Class 6 > Class 6 Science Chapter 6 Changes Around Us – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 6 Science Chapter 6 Changes Around Us Quiz 10 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In which of the following changes, did the Water Cycle derives? A) Irreversible Change. B) Reversible Change. C) Desirable Change. D) Undesirable Change. Show Answer Correct Answer: B) Reversible Change. 2. When a liquid X is added to a grey, powdery substance Y, the substance Y slowly sets into a hard mass. A thick paste of substance Y and sand made in liquid X is used for plastering the walls of houses. Name the substance Y. A) Water. B) Cement. C) Plaster of paris. D) None of these. Show Answer Correct Answer: B) Cement. 3. If the picture is drawn using a pencil, then it can be erased, hence is example of A) Reversible Physical Change. B) Irreversible physical change. C) Reversible Chemical Change. D) Reversible Chemical Change. Show Answer Correct Answer: A) Reversible Physical Change. 4. Metal rim expands and fits into the wheel. A) On boiling. B) On cooling. C) On heating. D) All of these. Show Answer Correct Answer: C) On heating. 5. A pan of water boils until it all evaporates into the air. Which of the following properties of the water remains the same after this change? A) Its mass. B) Its temperature. C) Its state. D) Its volume. Show Answer Correct Answer: A) Its mass. 6. Which of these cannot be reversed A) Heating metal. B) Cutting out airplane. C) Folding paper plane. D) None of the above. Show Answer Correct Answer: B) Cutting out airplane. 7. All changes takes place due to some ..... A) Cause. B) Choice. C) All the above. D) None of the above. Show Answer Correct Answer: A) Cause. 8. Chemical change is reversible. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 9. A student placed an iron nail outside in the rain and allowed it remains there for a few days. What will happen to the nail? A) The nail gets rusted. B) The nail gets shrink. C) The nail remains the same. D) The nail gets broken into pieces. Show Answer Correct Answer: A) The nail gets rusted. 10. Rotation of fan blade is a A) Permanent change. B) Undesirable change. C) Non-periodic change. D) Periodic change. Show Answer Correct Answer: D) Periodic change. 11. Wax melts off candle. reversible? A) Yes. B) No. C) Maybe. D) None of the above. Show Answer Correct Answer: B) No. 12. What is the state of ice? A) Solid. B) Liquid. C) Gas. D) None of the above. Show Answer Correct Answer: A) Solid. 13. Do all thermometers contain liquid? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 14. Batter to idli can we reverse it?? A) No. B) Yes. C) All the above. D) None of the above. Show Answer Correct Answer: A) No. 15. The solution in which no more solute can be added is called ..... solution. A) Full. B) Unsaturated. C) Saturated. D) Universal. Show Answer Correct Answer: C) Saturated. 16. Ms. Johnson gave all of her students a box of M&M's but one of them was allergic to red dye. What must the student do to make sure that the candy is safe for him to eat? A) Make a new mixture which is a physical change. B) Separate the mixture which is a physical change. C) Make a new substance which is a physical change. D) Make a new substance which cannot be reversed. Show Answer Correct Answer: B) Separate the mixture which is a physical change. 17. When an object is cooled, its size A) Increases. B) Decreases. C) Remain same. D) None of the above. Show Answer Correct Answer: B) Decreases. 18. The falling of leaves from trees is a reversible change A) True. B) False. C) Neither true nor false. D) None. Show Answer Correct Answer: B) False. 19. Melting of ice is a ..... change A) Reversible. B) Irreversible. C) Chemical. D) Fast. Show Answer Correct Answer: A) Reversible. 20. The process where water changes into a vapour after heating is called A) Decantation. B) Filtration. C) Condensation. D) Evaporation. Show Answer Correct Answer: D) Evaporation. 21. Which of the following changes is caused by exerting pressure or force: A) Blooming of flowers. B) Stretching of a rubber band. C) Cooking of food. D) Rusting of iron. Show Answer Correct Answer: B) Stretching of a rubber band. 22. Which of the following is a human-made change? A) Change of seasons. B) Ripening of fruits. C) Weaving of cloth. D) Flowering in plants. Show Answer Correct Answer: C) Weaving of cloth. 23. Volcanoes are ..... A) A fast change to the earth's surface. B) A slow change to the earth's surface. C) Never under water. D) None of the above. Show Answer Correct Answer: A) A fast change to the earth's surface. 24. The iron rim is made slightly smaller than the wooden wheel. The rim is usually heated before fixing into the wooden wheel because on heating the iron rim A) Expands and fits onto the wooden wheel. B) Contracts and fits onto the wooden wheel. C) Contracts and fits onto the wooden wheel. D) Expands first, then on cooling contracts and fits onto the wooden wheel. Show Answer Correct Answer: D) Expands first, then on cooling contracts and fits onto the wooden wheel. 25. If a new substance is formed would this be a physical or chemical change? A) Physical. B) Chemical. C) All the above. D) None of the above. Show Answer Correct Answer: B) Chemical. ← PreviousNext →Related 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 3Class 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 8Class 6 Science Chapter 6 Changes Around Us Quiz 9Class 6 Science Chapter 6 Changes Around Us Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books