This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 3 Heat – Quiz 36 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 3 Heat Quiz 36 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The process in which a liquid substance changes into a gas rapidly on heating, is called ..... A) Boiling. B) Condensation. C) Melting. D) Vaporization. Show Answer Correct Answer: A) Boiling. 2. The unit of measurement of temperature is ..... A) Metre. B) Kilogram. C) Degree celsius. D) Second. Show Answer Correct Answer: C) Degree celsius. 3. Clinical thermometers present in used in India are marked with a temperature scale, This scale corresponds to which of the following A) Celsius. B) Farenheit. C) Both Celsius and Farenheit. D) None of these. Show Answer Correct Answer: A) Celsius. 4. In art class, the students watch a video about creating glass art. Which statement best describes how glass is shaped into a vase? A) Glass is melted and is more flexible to shape. B) Glass is frozen and is more flexible to shape. C) Glass is melted and is less flexible to shape. D) Glass is frozen and is less flexible to shape. Show Answer Correct Answer: A) Glass is melted and is more flexible to shape. 5. Select the correct alternativea) In evaporation A) All molecules of liquid begin to escape out. B) . only the molecules at the surface escape out. C) The temperature of the liquid rises by absorbing heat from the surroundings. D) None of the above. Show Answer Correct Answer: B) . only the molecules at the surface escape out. 6. Thermal expansion is A) A measure of the kinetic energy. B) All the energy of all the particles. C) The increase in volume of a substance due to an increase in temperature. D) None of the above. Show Answer Correct Answer: C) The increase in volume of a substance due to an increase in temperature. 7. On a sunny day, Yolanda fills a small backyard pool with water. As time passes, the water warms. Which statement explains this effect? A) The sun heats the water through gravity. B) The sun heats the water through radiation. C) The sun heats the water through convection. D) None of the above. Show Answer Correct Answer: B) The sun heats the water through radiation. 8. What does temperature measure? A) Heat. B) $^\circ$C. C) Kinetic Energy. D) Thermal Energy. Show Answer Correct Answer: C) Kinetic Energy. 9. When a liquid SLOWLY changes into a gas it ..... A) Condenses. B) Evaporates. C) All the above. D) None of the above. Show Answer Correct Answer: B) Evaporates. 10. How does the community around Michael influence his actions in 'Heat'? A) They discourage him from playing baseball. B) They support and encourage his baseball career. C) They are indifferent to his sports activities. D) They report him to the authorities. Show Answer Correct Answer: B) They support and encourage his baseball career. 11. A thermos flask is made up of double-walled glass vessel because- A) Glass is a good conductor of heat. B) Glass is a poor conductor of heat. C) Thermos flask is not made of glass vessel. D) None of the above. Show Answer Correct Answer: B) Glass is a poor conductor of heat. 12. To locate exact places on the earth, one must look at A) The lines of longitude only. B) The lines of latitude only. C) The intersecting lines of latitude and longitude. D) A neighboring area to describe the location. Show Answer Correct Answer: C) The intersecting lines of latitude and longitude. 13. If you dropped a hot rock in a bucket of cold water, the rock will ..... A) Melt. B) Stay the same temperature. C) Become cooler. D) Become hotter. Show Answer Correct Answer: C) Become cooler. 14. *The simplest type of heat exchanger*One fluid flows through the smaller pipe while the other fluid flows through the annular space Statements above describe what type of heat exchanger? A) Plate and frame. B) Shell and tube. C) Double pipe. D) Compact. Show Answer Correct Answer: C) Double pipe. 15. Which of the following is a correct pair of insulators A) Wood, plastic. B) Silver, plastic. C) Iron, silver. D) Paper, . Silver. Show Answer Correct Answer: A) Wood, plastic. 16. What color absorbs light (meaning the object stays warmer)? A) White. B) Black. C) Orange. D) Pink. Show Answer Correct Answer: B) Black. 17. A piece of copper alloy with a mass of 85.0 g if heated from 30.0$^\circ$C to 45$^\circ$C. In the process, it absorbs 523 J of energy as heat. What is the specific heat of the copper? A) 0.41 J/g$^\circ$C. B) 0.73 J/g$^\circ$C. C) 0.29 J/g$^\circ$C. D) 0.57 J/g$^\circ$C. Show Answer Correct Answer: A) 0.41 J/g$^\circ$C. 18. Justin climbed to the top of a rope during P.E. class. While he climbed, his hands rubbed against the rough rope. When he came down, his hands were very warm.Which source of heat MOST LIKELY caused the student's hands to warm up? A) Air conditioning. B) The Sunlight. C) Coach Shirley. D) Friction (Rubbing). Show Answer Correct Answer: D) Friction (Rubbing). 19. 20 degree celcius= A) 173 K. B) 193 K. C) 293 K. D) 273 k. Show Answer Correct Answer: C) 293 K. 20. ..... is a measure of how hot or cold something is A) Humidity. B) Temperature. C) Water. D) Precipitation. Show Answer Correct Answer: B) Temperature. 21. The increase in area of a solid when heated is called ..... A) Thermal expansion. B) Linear expansion. C) Superficial expansion. D) Cubical expansion. Show Answer Correct Answer: C) Superficial expansion. 22. The measure of average kinetic energy of all the particles within an object is called ..... A) Temperature. B) Conduction. C) Radiation. D) Heat. Show Answer Correct Answer: A) Temperature. 23. A sea breeze is created when hot air rises and cooled air sinks. What type of heat transfer is this? A) Conduction. B) Convection. C) Radiation. D) None of the above. Show Answer Correct Answer: B) Convection. 24. Which tool is the most useful for finding the temperature at which water freezes? A) A graduated cylinder. B) A ruler. C) A balance. D) A thermometer. Show Answer Correct Answer: D) A thermometer. 25. When a metal rod is heated at one end, the heat travels to the other end. What is this process called? A) Conduction. B) Convection. C) Radiation. D) Evaporation. Show Answer Correct Answer: A) Conduction. ← 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 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books