This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 3 Heat – Quiz 44 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 3 Heat Quiz 44 (13 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. SI Scale of temperature is ..... A) Celsius scale. B) Kelvin scale. C) Fahrenheit Scale. D) Reaumur scale. Show Answer Correct Answer: B) Kelvin scale. 2. The handle of a spoon in hot soup becomes warm because of ..... A) Conduction. B) Radiation. C) Convection. D) Insulation. Show Answer Correct Answer: A) Conduction. 3. Valarie is investigating how heat affects the rate of evaporation of water. She makes a prediction that heat will increase the rate of evaporation. Which of the following will provide evidence that Valarie needs to support her conclusion? A) Prior knowledge and classifying. B) Data and observations. C) Questions and inferences. D) Analysis and hypotheses. Show Answer Correct Answer: B) Data and observations. 4. Which of the following materials is considered an insulator of heat? A) Copper. B) Aluminum. C) Wood. D) Iron. Show Answer Correct Answer: C) Wood. 5. You hold an ice cube in your hand and it melts. This is an example of A) Convection. B) Conduction. C) Radiation. D) Translocation. Show Answer Correct Answer: B) Conduction. 6. Which of the following is the best example of conduction? A) A light bulb warming a lampshade. B) An egg cooking in a frying pan. C) Water boiling in a pot. D) Gases circulating in the atmosphere. Show Answer Correct Answer: B) An egg cooking in a frying pan. 7. Which source of energy is used to heat Earth? A) The wind. B) The Sun. C) Rain. D) Thunder. Show Answer Correct Answer: B) The Sun. 8. How does heat transfer occur? A) Heat transfer occurs through conduction, convection, and radiation. B) Heat transfer occurs through absorption, reflection, and emission. C) Heat transfer occurs through evaporation, sublimation, and deposition. D) Heat transfer occurs through compression, expansion, and condensation. Show Answer Correct Answer: A) Heat transfer occurs through conduction, convection, and radiation. 9. If an object has particles that are moving very quickly, the object 's temperature is probably ..... A) Hot. B) Cold. C) Slow. D) Big. Show Answer Correct Answer: A) Hot. 10. What type of heat transfer happens when sun heat your body? A) Conduction. B) Convection. C) Radiation. D) None of these. Show Answer Correct Answer: C) Radiation. 11. During the night land breeze flows because- A) The sea cools faster. B) The land cools faster. C) Sea is empty and land is populated. D) None of the above. Show Answer Correct Answer: B) The land cools faster. 12. An insulator is a substance that ..... A) Does not conduct heat. B) Flows heat. C) Reflects heat. D) Absorbs heat. Show Answer Correct Answer: A) Does not conduct heat. 13. When an object is heated, it will increase its size. A) Thermal expansion. B) Thermal contraction. C) All the above. D) None of the above. Show Answer Correct Answer: A) Thermal expansion. ← PreviousRelated 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