This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 3 Heat – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 3 Heat Quiz 10 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. When you use a microwave, what is the main way that heat is transferred? A) Convection. B) Conduction. C) Radiation. D) Insulation. Show Answer Correct Answer: C) Radiation. 2. B) The rate of evaporation of a liquid increases when A) Air is blown above the surface of liquid. B) Temperature of liquid falls. C) Humidity increases. D) None of the above. Show Answer Correct Answer: A) Air is blown above the surface of liquid. 3. Steam makes the cover of cooking pan rise. A) Convection. B) Conduction. C) Radiation. D) None of the above. Show Answer Correct Answer: A) Convection. 4. What role does Ellie play in Michael's journey in "Heat" ? A) She is a rival player. B) She is a supportive friend. C) She is indifferent to his struggles. D) She is a mentor figure. Show Answer Correct Answer: B) She is a supportive friend. 5. Do land breezes typically happen during the day or night? A) Day. B) Night. C) All the above. D) None of the above. Show Answer Correct Answer: B) Night. 6. List the following particles in size order, from biggest to smallest? A) Molecules, electrons, atoms. B) Atoms, molecules, electrons. C) Electrons, atoms, molecules. D) Molecules, atoms, electrons. Show Answer Correct Answer: D) Molecules, atoms, electrons. 7. Clothes of ..... colours absorb heat better than clothes of light colours. A) Dark. B) Brown. C) Orange. D) Light. Show Answer Correct Answer: A) Dark. 8. A toaster toasting a bread is an example of? A) Condensation. B) Conduction. C) Convection. D) Radiation. Show Answer Correct Answer: D) Radiation. 9. Why does mercury in the thermometer rises when its bulb comes in contact with hot object. A) Mercury is liquid at room temperature. B) Temperature increase causes expansion. C) Temperature increase causes contraction. D) Mercury is a conductor of heat. Show Answer Correct Answer: B) Temperature increase causes expansion. 10. A clinical thermometer read temperature from ..... A) 35$^\circ$C to 42$^\circ$C. B) 10$^\circ$C to 110$^\circ$C. C) 42$^\circ$C to 35$^\circ$C. D) None of the above. Show Answer Correct Answer: A) 35$^\circ$C to 42$^\circ$C. 11. Heated AIR moves from baseboard heaters to the rest of a room in a process called A) Conduction. B) Convection. C) Radiation. D) Insulation. Show Answer Correct Answer: B) Convection. 12. Thermal energy moves from an object with a A) Lower temperature to an object with a higher temperature. B) Higher temperature to objects with a lower temperature. C) Bad smell to an object with a good smell. D) Lower mass to an object with a higher mass. Show Answer Correct Answer: B) Higher temperature to objects with a lower temperature. 13. DEGREE CELSIUS IS ..... UNIT OF TEMPERATURE A) Kelvin. B) C.G.S. C) S.I. D) None of the above. Show Answer Correct Answer: B) C.G.S. 14. What heat transfer happens when you burn your hand by touching a fire? A) Radiation. B) Conduction. C) Convection. D) I don't know!!!!!!!!!!!. Show Answer Correct Answer: B) Conduction. 15. The type of heat transfer that occurs only in fluids, such as water or air. A) Conduction. B) Convection. C) Radiation. D) None of the above. Show Answer Correct Answer: B) Convection. 16. The two temperature scales shown on clinical thermometer are A) Kelvin scale and Celsius scale. B) Celsius scale and Fahrenheit scale. C) Kelvin scale and Fahrenheit scale. D) Only Celsius scale. Show Answer Correct Answer: B) Celsius scale and Fahrenheit scale. 17. The heat absorbed by melting a solid is known as A) Latent heat of fusion. B) Latent heat of solid. C) Latent heat of liquid. D) Latent heat of vaporisation. Show Answer Correct Answer: A) Latent heat of fusion. 18. Which of the following is not a source of heat? A) Coal. B) Microwave. C) Wood. D) Shirt. Show Answer Correct Answer: D) Shirt. 19. Sand heats up faster because it has a lower ..... A) Temperature. B) Heat index. C) Specific heat. D) Radiation. Show Answer Correct Answer: C) Specific heat. 20. 1 kcal = ..... cal A) 10. B) 100. C) 10000. D) 1000. Show Answer Correct Answer: D) 1000. 21. The more particles a substance has, the more THERMAL energy it has. A) Trrue. B) True. C) Truee. D) Truue. Show Answer Correct Answer: B) True. 22. Heat is A) A form of energy. B) A form of vibration. C) A form of oscillation. D) A form of puzzle. Show Answer Correct Answer: A) A form of energy. 23. When a stethoscope touches your skin, what happens? A) Heat travels from the stethoscope to your skin. B) No energy is transferred. C) The stethoscope warms up due to humidity. D) Heat travels from your warm body to the stethoscope. Show Answer Correct Answer: D) Heat travels from your warm body to the stethoscope. 24. Biology is the study of What? A) Sandwich. B) Life. C) The human brain. D) Weather. Show Answer Correct Answer: B) Life. 25. Sunlight is a form of radiation (heat transfer) A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. ← PreviousNext →Related QuizzesClass 7 Science Chapter 3 Heat Quiz 1Class 7 Science Chapter 3 Heat Quiz 2Class 7 Science Chapter 3 Heat Quiz 3Class 7 Science Chapter 3 Heat Quiz 4Class 7 Science Chapter 3 Heat Quiz 5Class 7 Science Chapter 3 Heat Quiz 6Class 7 Science Chapter 3 Heat Quiz 7Class 7 Science Chapter 3 Heat Quiz 8Class 7 Science Chapter 3 Heat Quiz 9Class 7 Science Chapter 3 Heat Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books