This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 3 Heat – Quiz 21 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 3 Heat Quiz 21 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The amount of heat energy required to raise the temperature of one gram of water by one degree celsius from 14.5 to 15.5 degree celsius is A) Joule. B) Calorie. C) Kilocalorie. D) Newton meter. Show Answer Correct Answer: B) Calorie. 2. A thermometer contains ..... A) Water. B) Mercury. C) Silver. D) Copper. Show Answer Correct Answer: B) Mercury. 3. When air is heated, what happens to its mass? A) Increases. B) Decreases. C) Remains the same. D) None of the above. Show Answer Correct Answer: C) Remains the same. 4. One kilocalorie is A) 4186 joules. B) 4900 joules. C) 1000 joules. D) 100 joules. Show Answer Correct Answer: A) 4186 joules. 5. What is the atomic number of oxygen? A) 5. B) 17. C) Sandwich. D) 8. Show Answer Correct Answer: D) 8. 6. A ..... is an object that allows heat to move through easily. A) Insulator. B) Convection. C) Conductor. D) Friction. Show Answer Correct Answer: C) Conductor. 7. A tool used to measure temperature is called a ..... A) Balance. B) Scale. C) Thermometer. D) Measurement. Show Answer Correct Answer: C) Thermometer. 8. What is convection? A) The transfer of heat in liquids. B) The transfer of heat in solids. C) The transfer of heat in gases. D) The transfer of heat in liquids and gases. Show Answer Correct Answer: D) The transfer of heat in liquids and gases. 9. What are the accepted units for specific heat capacity? A) J/g * C. B) J/g. C) G/J * C. D) J. Show Answer Correct Answer: A) J/g * C. 10. Steve rubs his hands together to warm them on a cold day. Which is he using to warm his hands? A) Conduction. B) Magnetism. C) Gravity. D) Friction. Show Answer Correct Answer: D) Friction. 11. Heat energy makes particles move A) Slower. B) Faster. C) Same. D) None of the above. Show Answer Correct Answer: B) Faster. 12. Solid, liquids and gases are called the three ..... A) Water types. B) Big ideas. C) States of matter. D) None of the above. Show Answer Correct Answer: C) States of matter. 13. BECAUSE OF LOW PRESSURE ON OCEAN RAINFALL TAKES PLACE.LOW PRESSURE IS CREATED IN THE ATMOSPHERE DUE TO SUN. NAME THE METHOD OF HEAT TRANSFER IN THIS CASE. A) CONDUCTION. B) CONVECTION. C) RADIATION. D) NONE OF THE ABOVE. Show Answer Correct Answer: B) CONVECTION. 14. On a hot day the lake water warms and the temperature increases. How does the movement of the particles change? A) Move slower and farther apart. B) Move slower and closer together. C) Move faster and farther apart. D) Move faster and closer together. Show Answer Correct Answer: C) Move faster and farther apart. 15. The upper standard point on the Fahrenheit scale is ..... A) 100 $^\circ$. B) 120 $^\circ$. C) 212 $^\circ$. D) 180 $^\circ$. Show Answer Correct Answer: C) 212 $^\circ$. 16. What is boiling point of water at celciuis scale? A) 50 degrees. B) 100 degrees. C) 0 degrees. D) 27 degrees. Show Answer Correct Answer: B) 100 degrees. 17. Which is the best example of conduction? A) Boiling a pot of water. B) Feeling heat from a fireplace. C) A hot air balloon rising and falling. D) Touching a hot handle and getting burned. Show Answer Correct Answer: D) Touching a hot handle and getting burned. 18. What are some common applications of heat transfer in everyday life? A) Boiling eggs, melting ice, drying hair. B) Baking, freezing food, lighting candles. C) Cooking, boiling water, heating rooms, cooling drinks, ironing clothes. D) Heating cars, cooling laptops, warming blankets. Show Answer Correct Answer: C) Cooking, boiling water, heating rooms, cooling drinks, ironing clothes. 19. Cold air from the air conditioner is felt in the entire room. A) Radiation. B) Convection. C) Conduction. D) None of the above. Show Answer Correct Answer: B) Convection. 20. Which of the following is NOT an insulator? A) Wool. B) Plastic. C) Copper. D) Styrofoam. Show Answer Correct Answer: C) Copper. 21. The material in a lava lamp rises and falls. A) Conduction. B) Convection. C) Radiation. D) Energy. Show Answer Correct Answer: B) Convection. 22. Which of the following statements is TRUE about the Torrid Zone? A) It is located around the Equator. B) It experiences hot climate throughout the year. C) It receives vertical sunrays. D) All of the above. Show Answer Correct Answer: D) All of the above. 23. On which surface would you ride your bike the fastest? A) Concrete. B) Grass. C) Soil. D) None of the above. Show Answer Correct Answer: A) Concrete. 24. Touching hot sand is ..... A) Conduction. B) Convection. C) Radiation. D) None of the above. Show Answer Correct Answer: A) Conduction. 25. Rubber is considered an ..... A) Conductor. B) Insulator. C) Radiation. D) None of the above. Show Answer Correct Answer: B) Insulator. ← 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