This quiz works best with JavaScript enabled. Home > Class 6 > Class 6 Science Chapter 6 Changes Around Us – Quiz 14 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 6 Science Chapter 6 Changes Around Us Quiz 14 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Appu celebrates his birthday on March 14 every year. This is an example of ..... change. A) Periodic Change. B) Non-Periodic Change. C) All the above. D) None of the above. Show Answer Correct Answer: A) Periodic Change. 2. Which one is **not** a reversible change A) Opening of a door. B) Tearing a paper. C) Breaking a cup?. D) Both tearing and breaking. Show Answer Correct Answer: D) Both tearing and breaking. 3. Changes that lead to the formation of new substance are called A) Physical changes. B) Reversible changes. C) Chemical changes. D) All of these. Show Answer Correct Answer: C) Chemical changes. 4. How is the metal rim of a wooden wheel made smaller? A) Heating then Cooling. B) Cooling then Heating. C) Heating only. D) Cooling only. Show Answer Correct Answer: A) Heating then Cooling. 5. China dish, tripod, Bunsesn burner, small glass and sheet are the materials to which activity? A) Changes involved in charring of Sugar. B) To observe a chemical reaction. C) All the above. D) None of the above. Show Answer Correct Answer: A) Changes involved in charring of Sugar. 6. Evaporation is a physical change.It will occur only when ..... A) Heat is supplied. B) Heat is removed. C) Salt is dissolved. D) Sugar is dissolved. Show Answer Correct Answer: A) Heat is supplied. 7. On heating, water changes into ..... A) Vapour. B) Ice. C) All the above. D) None of the above. Show Answer Correct Answer: A) Vapour. 8. Which of the following contracts the least. A) Solid. B) Liquids. C) Gases. D) All contract equally. Show Answer Correct Answer: D) All contract equally. 9. In photosynthesis, carbon dioxide and water are converted into A) Glucose. B) Lipids. C) All the above. D) None of the above. Show Answer Correct Answer: A) Glucose. 10. Which is not a property of matter? A) Solid. B) Liquid. C) Gas. D) Ice. Show Answer Correct Answer: D) Ice. 11. Liquids expand on ..... A) Cooling. B) Heating. C) All the above. D) None of the above. Show Answer Correct Answer: B) Heating. 12. Which type of change is Growing of plant? A) Irreversible change. B) Physical change. C) Chemical change. D) None of the above. Show Answer Correct Answer: C) Chemical change. 13. Select the example of desired changes(i) Ripening of fruits. (ii) Rotting of fruits (iii) Rain (iv) Floods A) (i) and (ii). B) (i)and (iii). C) (ii) and (iii). D) (iii) and (iv). Show Answer Correct Answer: B) (i)and (iii). 14. If the removal of the cause of change leads to regain the original situation, then the change is known as A) Irreversible. B) Permanent. C) Slow. D) Reversible. Show Answer Correct Answer: D) Reversible. 15. Lighting up of a matchstick is a/an A) Natural Change. B) Periodic Change. C) Chemical Change. D) Fast Change. Show Answer Correct Answer: D) Fast Change. 16. A change temporary in nature is, A) Reversible. B) Irreversible. C) All the above. D) None of the above. Show Answer Correct Answer: A) Reversible. 17. Why do people paint on main doors? A) To make it look beautiful. B) To save it from rust. C) So that the painter gets more work. D) None of these. Show Answer Correct Answer: B) To save it from rust. 18. Change only in shape, size, appearance or state is known as ..... change. A) Chemical. B) Physical. C) Irreversible. D) None of the above. Show Answer Correct Answer: B) Physical. 19. Identify which among the following are the examples of slow changes I. Rusting of iron III. Germination of seedII. Spinning of top. IV. Burning of matchstick. A) I. and II. B) II. and III. C) I. and III. D) III. and IV. Show Answer Correct Answer: C) I. and III. 20. Is growing food in fields a Natural Changes? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 21. ..... reacts with oxygen to form rust. A) Carbon dioxide. B) Iron oxide. C) Iron. D) Metal. Show Answer Correct Answer: C) Iron. 22. Dissolving sugar in water is a A) Chemical change. B) Physical change. C) All the above. D) None of the above. Show Answer Correct Answer: B) Physical change. 23. Freezing of water is the example of ..... kind of change A) Chemical change. B) Nuclear change. C) Undesirable change. D) Physical change. Show Answer Correct Answer: D) Physical change. 24. Two drops of dilute sulphuric acid were added to 1 g of copper sulphate powder and a then a small amount of hot water was added to dissolve it (step I). On cooling, beautiful blue coloured crystals got separated (step II). Step I and Step II are: A) Physical and chemical changes, respectively. B) Chemical and physical changes, respectively. C) Both physical change. D) Both chemical change. Show Answer Correct Answer: C) Both physical change. 25. When objects contract upon cooling ..... A) Volume increases and density increases. B) Volume increases and density decreases. C) Volume decreases and density decreases. D) Volume decreases and density increases. Show Answer Correct Answer: D) Volume decreases and density increases. ← 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 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books