This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 3 Heat – Quiz 43 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 3 Heat Quiz 43 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What device is used to automatically record (write down) changes in temperature? A) A thermostat. B) And thermophile. C) A thermometer. D) A thermograph. Show Answer Correct Answer: D) A thermograph. 2. ..... is the transfer of heat by the movement of a fluid. A) Conduction. B) Convection. C) Radiation. D) None of the above. Show Answer Correct Answer: B) Convection. 3. If an 85.0 g sample of copper with a specific heat of 0.41 J/g$^\circ$C is cooled from 45$^\circ$C to 25$^\circ$C, how much energy will it lose? A) -497 J. B) -846 J. C) -697 J. D) -346 J. Show Answer Correct Answer: C) -697 J. 4. Which statement describes how thermal energy moves? A) It flows from warmer objects to colder objects. B) It flows in all directions. C) It flows from colder objects to warmer objects. D) It flows from colder objects to an insulator. Show Answer Correct Answer: A) It flows from warmer objects to colder objects. 5. Freezing is a heat ..... process. A) Loss. B) Lose. C) Lost. D) Gain. Show Answer Correct Answer: A) Loss. 6. When heat energy is added to the substance, its particles move ..... and farther apart. A) Faster. B) Slower. C) All the above. D) None of the above. Show Answer Correct Answer: A) Faster. 7. You buy a lava lamp from the store. As the lamp heats up, blobs of liquid rise to the top then sink back down to the bottom. This process continues because of ..... ? ..... A) Conduction. B) Convection. C) Radiation. D) None of the above. Show Answer Correct Answer: B) Convection. 8. What does light energy do? A) Lets you see. B) Lets you hear. C) Makes you warm. D) Makes you move. Show Answer Correct Answer: A) Lets you see. 9. How does the author use baseball as a metaphor in 'Heat'? A) To illustrate teamwork and cooperation. B) To show the importance of physical fitness. C) To highlight the competitive nature of sports. D) To represent life's challenges and triumphs. Show Answer Correct Answer: D) To represent life's challenges and triumphs. 10. Ice cream melting outside is an example of which type of heat source? A) Electricity. B) Friction. C) Sunlight. D) Mixing things together-chemical change. Show Answer Correct Answer: C) Sunlight. 11. What is the correct equation that should be used for solving heat capacity problems that involve one substance? A) M = (Q)(C)(delta T). B) C = (m)(Q)(delta T). C) Q = (m)(C)(delta T). D) Delta T = (m)(Q)(C). Show Answer Correct Answer: C) Q = (m)(C)(delta T). 12. What happens to metal railroad tracks during the heat of a summer day? A) Decrease in weight. B) Increase in weight. C) Decrease in length. D) Increase in length. Show Answer Correct Answer: D) Increase in length. 13. What is the definition of energy? A) The ability to cause changes in matter. B) The planet next to Pluto. C) A force that makes objects move. D) An observation made in Science. Show Answer Correct Answer: A) The ability to cause changes in matter. 14. What is an instrument, or tool, used to measure temperature? A) Thermometer. B) Conductor. C) Insulator. D) Thermal Energy. Show Answer Correct Answer: A) Thermometer. 15. The temperature at which pure ice melts is ..... A) 0$^\circ$C. B) 100$^\circ$C. C) -100$^\circ$C. D) 98.6$^\circ$F. Show Answer Correct Answer: A) 0$^\circ$C. 16. Which of the following best describes the process of convection? A) Heat transfer through direct contact of particles. B) Heat transfer through electromagnetic waves. C) Heat transfer through the movement of fluids. D) Heat transfer through the absorption of light. Show Answer Correct Answer: C) Heat transfer through the movement of fluids. 17. Bryce used a ..... to keep his soup warm. A) Thermopiles. B) Thermal. C) Thermostat. D) Thermos. Show Answer Correct Answer: D) Thermos. 18. Rocks getting warmed by the sun A) Conduction. B) Convection. C) Radiation. D) Sun bathing. Show Answer Correct Answer: C) Radiation. 19. Lisa is boiling an egg in a pot of water. Which question can be asked to determine the source of the heat energy? A) What type of material is the pot made of?. B) What is the temperature of the egg?. C) What is heating the water?. D) What is the temperature of the water. Show Answer Correct Answer: C) What is heating the water?. 20. Conduction is a type of heat transfer that relates to A) Solids. B) Liquids. C) Gases. D) Humans. Show Answer Correct Answer: A) Solids. 21. How does the community around Michael influence his actions in the story? 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 authoritiesTagsDOK Level 2:Skill/Concept. Show Answer Correct Answer: B) They support and encourage his baseball career. 22. In heat capacity equations, what does the triangle represent? A) Temperature. B) Energy. C) Mass. D) Change in. E) Change in temp. Show Answer Correct Answer: D) Change in. 23. When holding a cup of ice water, your warm hand becomes cold. How does the heat transfer? A) From the cold cup to your hand. B) From the cold cup to the warm air. C) From the ice to your hand. D) From your warm hand to the cold cup. Show Answer Correct Answer: D) From your warm hand to the cold cup. 24. Conductors allow heat to pass through easily. Insulators prevent the flow of heat. Which of the following items is a poor conductor and a good insulator? A) Silver. B) Wood. C) Stone. D) Copper. Show Answer Correct Answer: B) Wood. 25. Why do objects cool down? A) All heat will slowly be destroyed. B) The cold attacks the heat. C) Heat is always transferring so the heat will always move to a cooler place. D) The heat disappears. Show Answer Correct Answer: C) Heat is always transferring so the heat will always move to a cooler place. ← 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