This quiz works best with JavaScript enabled. Home > Cbse > Class 6 > Science > Changes Around Us > Class 6 Science Chapter 6 Changes Around Us – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 6 Science Chapter 6 Changes Around Us Quiz 8 (38 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Ice melts to form water. What is the cause of this change. A) Heat. B) Cooling. C) Both heating and cooling. D) None of above. Show Answer Correct Answer: A) Heat. 2. Chemical changes are A) Always irreversible. B) Mostly irreversible. C) Always reversible. D) Mostly reversible. Show Answer Correct Answer: B) Mostly irreversible. 3. Growth of plants is ..... change A) Slow, desirable. B) Slow, undesirable. C) Fast, desirable. D) Fast, undesirable. Show Answer Correct Answer: A) Slow, desirable. 4. Burning of paper is A) Chemical. B) Reversible. C) Physical. D) Irreversible. Show Answer Correct Answer: D) Irreversible. 5. Cooking of rice is a physical change A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 6. Example of reversible changes is tearing of paper A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 7. You cut a piece of wood. Is it reversible? A) Yes. B) No. C) Maybe. D) None of the above. Show Answer Correct Answer: B) No. 8. Changing of milk to curd is a ..... change A) Physical. B) Chemical. C) All the above. D) None of the above. Show Answer Correct Answer: B) Chemical. 9. The weather and temparature doesn't change everyday. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 10. Changes in size and shape are examples of ..... changes in matter A) Physical. B) Exothermic. C) Chemical. D) Fast. Show Answer Correct Answer: A) Physical. 11. What is an example of a physical change? A) Grinding coffee beans. B) Crushing a can. C) Boiling water. D) Freezing ice. Show Answer Correct Answer: A) Grinding coffee beans. 12. A chemical change occurs when there is a ..... reaction between the substances. A) Physical. B) Chemical. C) All the above. D) None of the above. Show Answer Correct Answer: B) Chemical. 13. Is air currents a Man-Made Change? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 14. Give an example of periodic change: A) Change in moon phases. B) Sneezing. C) Accidents. D) Growth of animals and plants. Show Answer Correct Answer: A) Change in moon phases. 15. Burning of candle is a example of absorving energy A) True. B) FALSE TAGS TRUE AND FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE TAGS TRUE AND FALSE. 16. Changes can occur naturally also? A) False. B) Yes, in every case. C) Never. D) True. Show Answer Correct Answer: D) True. 17. What does the blacksmith use so the he can bend steel? Which process enables him to do this? A) Forge, Thermal Contraction. B) Freezer, Thermal Contraction. C) Freezer, Thermal Expansion. D) Forge, Thermal Expansion. Show Answer Correct Answer: D) Forge, Thermal Expansion. 18. A baby growing into an adult is an example of? A) Slow and irreversible change. B) Fast and reversible change. C) Fast and irreversible change. D) Slow and reversible change. Show Answer Correct Answer: A) Slow and irreversible change. 19. Which of the following is a chemical change?(a) Evaporation of water(b) Burning of fuels(c) Moving of a wheel(d) Breaking of a brick A) Burning of fuels. B) Moving of a wheel. C) Evaporation of water. D) Breaking of a brick. Show Answer Correct Answer: A) Burning of fuels. 20. Burning of a candle, is which change? A) Physical. B) Chemical. C) Both physical and chemical. D) None of the above. Show Answer Correct Answer: C) Both physical and chemical. 21. On continuously heating water into a pan- A) The quantity of water in the pan increases. B) The quantity of water in the pan remains constant. C) Can't say anything in this case. D) The quantity of water in the pan decreases. Show Answer Correct Answer: D) The quantity of water in the pan decreases. 22. Formation of an image on a photographic film is change ..... causes this change. A) Electricity. B) Heat. C) Force. D) Light. Show Answer Correct Answer: A) Electricity. 23. Which among the following is a reversible change A) Baking of cake. B) Elongation of rubber band. C) Digestion of food. D) Cutting of forest. Show Answer Correct Answer: B) Elongation of rubber band. 24. Melting is a process when- A) Water changes into vapours. B) Ice changes into vapours. C) Water changes into ice. D) Ice changes into water. Show Answer Correct Answer: D) Ice changes into water. 25. The process of converting solid directly into gas is known as ..... A) Melting. B) Condensation. C) Sublimation. D) Evaporation. Show Answer Correct Answer: C) Sublimation. 26. The process where water changes to vapour after heating. A) Evaporation. B) Condansation. C) Contracting. D) Melting. Show Answer Correct Answer: B) Condansation. 27. When a bud changes into a flower it undergoes: A) A chemical change. B) An irreversible change. C) A permanent change. D) All of the above. Show Answer Correct Answer: D) All of the above. 28. In a chemical reaction, the initial substances which react with each other to form new substances are called ..... A) Reactants. B) Products. C) All the above. D) None of the above. Show Answer Correct Answer: A) Reactants. 29. We need food for A) Energy. B) Protection from disease. C) Growth. D) All of the above. Show Answer Correct Answer: D) All of the above. 30. There are slow and fast changes. Some changes take long time to occur. The example of fast changes is ..... A) Burning of paper. B) Milk into curd. C) Rusting of iron. D) Water into ice. Show Answer Correct Answer: A) Burning of paper. 31. For example you have drawn a picture on a piece of paper using crayons. This change on the piece of paper is reversible, right? A) No. B) Yes. C) All the above. D) None of the above. Show Answer Correct Answer: A) No. 32. Is heating sugar to make caramel a reversible or irreversible change? A) Reversible. B) Irreversible. C) All the above. D) None of the above. Show Answer Correct Answer: B) Irreversible. 33. Cooking of rice is a ..... change. A) Chemical. B) Physical. C) All the above. D) None of the above. Show Answer Correct Answer: A) Chemical. 34. WHICH CHANGES ARE PARTIALLY SIMILAR A) PHYSICAL AND REVERSIBLE. B) PHYSICAL AND IRREVERSIBLE. C) REVERSIBLE AND IRREVERSIBLE. D) NONE OF THESE. Show Answer Correct Answer: B) PHYSICAL AND IRREVERSIBLE. 35. Bending of iron rod is A) Reversible. B) Irreversible. C) Chemical. D) Phyical. Show Answer Correct Answer: A) Reversible. 36. The change that take place in a longer duration of time are called as A) Fast change. B) Reversible change. C) Slow change. D) Chemical change. Show Answer Correct Answer: C) Slow change. 37. Increase in the volume of substances on heating. A) Extension. B) Expansion. C) Exclusion. D) None of the above. Show Answer Correct Answer: B) Expansion. 38. Pick change that can be reversed from the following A) Cutting of treee. B) Melting of ghee. C) Burning of candle. D) Blooming of flower. Show Answer Correct Answer: B) Melting of ghee. ← PreviousRelated 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 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 7 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books