This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 3 Heat – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 3 Heat Quiz 3 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In an exothermic process, the surroundings are gaining energy. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 2. What letter is used to represent specific heat capacity? A) H. B) P. C) C. D) T. Show Answer Correct Answer: C) C. 3. What instrument might a nurse used to check the temperature (heat) of a patient? A) Thermopiles. B) Thermostat. C) Thermograph. D) Thermometer. Show Answer Correct Answer: D) Thermometer. 4. The normal temperature of human body is A) 40 $^\circ$C. B) 37$^\circ$C. C) 43$^\circ$C. D) 35$^\circ$C. Show Answer Correct Answer: B) 37$^\circ$C. 5. The way heat moves in liquids and gases is called ..... A) Convection. B) Radiation. C) Conduction. D) Temperature. Show Answer Correct Answer: A) Convection. 6. Thermal energy ALWAYS moves from ..... to ..... A) Solid to liquid. B) Ice to water. C) Hot to cold. D) Solid to gas. Show Answer Correct Answer: C) Hot to cold. 7. Heating up soup on the stove (HINT:the soup) A) Convection. B) Conduction. C) Radiation. D) None of the above. Show Answer Correct Answer: A) Convection. 8. This is the only form of heat transfer that does not require matter. A) Conduction. B) Convection. C) Radiation. D) None of the above. Show Answer Correct Answer: C) Radiation. 9. Melting means solid converts to A) Liquid. B) Gas. C) Both. D) None. Show Answer Correct Answer: A) Liquid. 10. What method of heat transfer does not require a medium? A) Conduction. B) Convection. C) Radiation. D) Dispersion. Show Answer Correct Answer: C) Radiation. 11. Heat is the movement of ..... A) Radiation. B) Thermal energy. C) Cold. D) Fire. Show Answer Correct Answer: B) Thermal energy. 12. What is the energy of the movement of particles in a substance? A) Potential energy. B) Kinetic energy. C) Thermal energy. D) Temperature. Show Answer Correct Answer: B) Kinetic energy. 13. The sidewalk burns your bare feet in the summer time. A) Conduction. B) Convection. C) Radiation. D) Transformation. Show Answer Correct Answer: A) Conduction. 14. ..... heat is needed if we want to increase the temperature. A) More. B) Less. C) Little. D) None of the above. Show Answer Correct Answer: A) More. 15. True or FalseFriction is when objects are rubbed together to create heat A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 16. Warming yourself by a fire A) Convection. B) Conduction. C) Radiation. D) None of the above. Show Answer Correct Answer: C) Radiation. 17. A wooden spoon is dipped in a cup of ice cream. Its other end: A) (a) becomes cold by the process of conduction. B) (b) becomes cold by the process of convection. C) C) becomes cold by the process of radiation. D) (d) does not become cold. Show Answer Correct Answer: D) (d) does not become cold. 18. ..... IS USED AS A THERMOMETER FLUID A) HYDROGEN. B) HELIUM. C) MERCURY. D) OXYGEN. Show Answer Correct Answer: C) MERCURY. 19. If I have 2 blocks of Aluminium (one of 1kg and one of 10 kg) and heat them up with 6, 000 Joules of energy.Which one will have the SMALLEST change in temperature? A) 1 kg. B) 10 kg. C) They both heat up to the same temperature. D) It depends on the temperature of the room. Show Answer Correct Answer: B) 10 kg. 20. A fireplace warming the air in the room is and example of this type of heat transfer? A) Conduction. B) Convection. C) Radiation. D) Transformation. Show Answer Correct Answer: B) Convection. 21. Electromagnetic waves through empty space A) Conduction. B) Convection. C) Radiation. D) Magic. Show Answer Correct Answer: C) Radiation. 22. Rate of evaporation depends on A) Surface area. B) Temperature. C) Vapour already present. D) All the above. Show Answer Correct Answer: D) All the above. 23. Which statement about thermal energy is true? A) Thermal energy is the transfer of heat energy from one object to another that are at different temperatures. B) Thermal energy is the sum of the potential and kinetic energy of a substance. C) Thermal energy is total potential energy of a substance. D) Thermal energy is the total amount of heat energy that can be transferred in an object. Show Answer Correct Answer: B) Thermal energy is the sum of the potential and kinetic energy of a substance. 24. Object that gives off heat is called ..... of heat. A) Sources. B) Places. C) Things. D) None of the above. Show Answer Correct Answer: A) Sources. 25. Clothing keeps you warm because clothing acts as what? A) A conductor. B) A thermometer. C) An insulator. D) Friction. Show Answer Correct Answer: C) An insulator. ← PreviousNext →Related QuizzesClass 7 Science Chapter 3 Heat Quiz 1Class 7 Science Chapter 3 Heat Quiz 2Class 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 10Class 7 Science Chapter 3 Heat Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books