This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Science > Heat > Class 7 Science Chapter 3 Heat – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 3 Heat Quiz 7 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the process by which heat transfers from one particle of matter to another when the particles collide? A) Convection. B) Conduction. C) Expansion. D) Radiation. Show Answer Correct Answer: B) Conduction. 2. Temperature tells us ..... A) How hot or cold something is. B) What time it is. C) What to eat for lunch. D) How much heat is on the outside. Show Answer Correct Answer: A) How hot or cold something is. 3. Grace and Tyler were outisde. Grace wore a white shirt and Tyler wore a black shirt. Why did Tyler feel hotter? A) He was sitting far away from Grace. B) Dark colors push away the Sun's energy. C) Dark colors take in the Sun's energy. D) He was sitting closer to the ground. Show Answer Correct Answer: C) Dark colors take in the Sun's energy. 4. In a sea breeze, air moves from A) Land to sea. B) Sea to land. C) All the above. D) None of the above. Show Answer Correct Answer: B) Sea to land. 5. Name the device used for measuring temperature A) Ammeter. B) Thermometer. C) Anemometer. D) None of the above. Show Answer Correct Answer: B) Thermometer. 6. What is the normal body temperature of a healthy person? A) 37$^\circ$K. B) 37$^\circ$F. C) 37$^\circ$C. D) 98.4 K. Show Answer Correct Answer: C) 37$^\circ$C. 7. What is the freezing point of water in Fahrenheit? A) 32$^\circ$F. B) 0$^\circ$F. C) 100$^\circ$F. D) None of the above. Show Answer Correct Answer: A) 32$^\circ$F. 8. When air is heated, its density ..... A) Increases. B) Decreases. C) Remains the same. D) None of the above. Show Answer Correct Answer: B) Decreases. 9. How does heat travel? A) Heat travels from a hot place to a cold place. B) Heat travels from a cold place to a hot place. C) Heat travels in a straight line. D) None of the above. Show Answer Correct Answer: A) Heat travels from a hot place to a cold place. 10. The symbol for heat is A) $\Delta$T. B) Q. C) M. D) C. Show Answer Correct Answer: B) Q. 11. Which best explains why many car motor parts are made from metal instead of plastic? A) Metal can withstand heat better than most plastics. B) Plastic is more expensive than metal. C) Plastic is less flexible than metal. D) None of the above. Show Answer Correct Answer: A) Metal can withstand heat better than most plastics. 12. Car A has their AC set to 72$^{o}$F. Car B has their AC set to 67$^{o}$F. If it is 98$^{o}$F outside, which car will heat flow into faster? A) Car A. B) Car B. C) Heat will flow into the cars at the same rate. D) None of the above. Show Answer Correct Answer: B) Car B. 13. Kamaya goes to the park during the summer. She tries to go down the metal slide, but it is too hot. Which question will best help Maya understand why the slide is so hot? A) Is the slide straight or curved?. B) Are there other slides to play on?. C) Is the Sun shining on the slide?. D) Are there other children near the slide?. Show Answer Correct Answer: C) Is the Sun shining on the slide?. 14. What is the meaning of conduction A) When heat transfers from objects that are not touching. B) Heat rise. C) Cold fall. D) When heat transfers from objects that are touching. Show Answer Correct Answer: D) When heat transfers from objects that are touching. 15. What is a material that does NOT let heat travel through it easily and SLOWS down the transfer of heat? A) An insulator. B) A thermometer. C) A conductor. D) Air. Show Answer Correct Answer: A) An insulator. 16. Which of the following best describes temperature? A) Number of molecules. B) Motion of molecules. C) Type of molecules. D) Size of molecules. Show Answer Correct Answer: B) Motion of molecules. 17. Specific heat is ..... A) The heating caused by the motion of flluid due to temperature difference. B) The transfer of energy by electromagnetic radiation. C) The measure of kinetic energy of an objects particles. D) A measure of the energy needed to increase the average kinetic energy of the particles. Show Answer Correct Answer: D) A measure of the energy needed to increase the average kinetic energy of the particles. 18. A clinical thermometer is calibrated from? A) 10 $^{o}$C to 100 $^{o}$C. B) 110 $^{o}$C to 300 $^{o}$C. C) 35 $^{o}$C to 42 $^{o}$C. D) 0 $^{o}$C to 100 $^{o}$C. Show Answer Correct Answer: C) 35 $^{o}$C to 42 $^{o}$C. 19. In convection in gases, what happens with the cold air? A) Cold air rises. B) Cold air sinks. C) Cold air moves up and down. D) Cold air moves side ward. Show Answer Correct Answer: B) Cold air sinks. 20. What do we use a thermometer for? A) To measure how expensive something is. B) To measure the temperature of an object or area. C) To measure how much something weighs. D) To measure how long something is. Show Answer Correct Answer: B) To measure the temperature of an object or area. 21. An iron ball at 40$^\circ$C is dropped in a mug containing water at 40$^\circ$C. The heat will: A) Flow from iron ball to water. B) Not flow from iron ball to water or from water to iron ball. C) Flow from water to iron ball. D) Increase the temperature of both. Show Answer Correct Answer: B) Not flow from iron ball to water or from water to iron ball. 22. THE RANGE OF TEMPERATURE THAT CAN BE MEASURED IN CLINICAL THERMOMETER IS A) 35$^{o}$C TO 42$^{o}$C. B) 25$^{o}$C TO 45$^{o}$C. C) 30$^{o}$C TO 65$^{o}$C. D) NONE OF THE ABOVE. Show Answer Correct Answer: A) 35$^{o}$C TO 42$^{o}$C. 23. The sidewalk increases in temperature on a sunny day. A) Radaiation. B) Heat. C) Convection. D) Conduction. Show Answer Correct Answer: A) Radaiation. 24. A fireplace is heating an entire house through A) Radiation. B) Conduction. C) Convection. D) None of the above. Show Answer Correct Answer: C) Convection. 25. Heat will always transfer from the ..... object to the ..... object. A) The liquid object to the solid object. B) The hottest object to the coolest object. C) The solid object to the liquid object. D) The coolest object to the hottest object. Show Answer Correct Answer: B) The hottest object to the coolest object. 26. If I want my cup of ice water to melt quicker, where would I set it? A) In the freezer. B) In the closet. C) Under a lamp. D) Put a book under it. Show Answer Correct Answer: C) Under a lamp. 27. Which material would make the best insulator? A) Steel. B) Aluminum. C) Copper. D) Rubber. Show Answer Correct Answer: D) Rubber. 28. The process by which transfer of heat takes place by the actual movement of particles from one part of the body to the another part is called A) Vapourisation. B) Conduction. C) Convection. D) Radiation. Show Answer Correct Answer: C) Convection. 29. Different solids have ..... melting points. A) Different. B) Same. C) All the above. D) None of the above. Show Answer Correct Answer: A) Different. 30. Hot coffee is stirred with a spoon; the spoon gets hot due to A) Conduction. B) Convection. C) Radiation. D) None of the above. Show Answer Correct Answer: A) Conduction. 31. Which color car will be the coolest on a hot summer day? A) Dark blue. B) Black. C) Brown. D) White. Show Answer Correct Answer: D) White. 32. The transfer of heat in the atmosphere by winds that circulate between the equator and the poles is an example of A) Insulation. B) Convection. C) Conduction. D) Radiation. Show Answer Correct Answer: B) Convection. 33. ALL the energy of all the particles in a substance is a measure of its A) Temperature. B) Specific heat. C) Thermal energy. D) Insulator. Show Answer Correct Answer: C) Thermal energy. 34. Can heat be created or destroyed? A) Only when things are cooling off. B) Yes. C) No. D) Only when things are warming up. Show Answer Correct Answer: C) No. 35. Energy that moves particles of matter is A) Heat. B) Friction. C) Temperature. D) Thermal energy. Show Answer Correct Answer: D) Thermal energy. 36. Conduction occurs in ..... A) Solids. B) Liquids. C) Gases. D) None of the above. Show Answer Correct Answer: A) Solids. 37. What is the earth's main source of heat? A) The sun. B) Forests. C) The moon. D) The ocean. Show Answer Correct Answer: A) The sun. 38. A heat lamp on a reptile cage is what type of heat transfer? A) Conduction. B) Convection. C) Radiation. D) None of the above. Show Answer Correct Answer: C) Radiation. 39. Heat transfer through waves is called ..... A) Conduction. B) Convection. C) Radiation. D) None of the above. Show Answer Correct Answer: C) Radiation. 40. A material was cooled from 100$^\circ$C to 40$^\circ$C. What is the temperature change? A) -40$^\circ$C. B) -60$^\circ$C. C) 60$^\circ$C. D) 40$^\circ$C. Show Answer Correct Answer: B) -60$^\circ$C. 41. What is the main mode of heat transfer in gases? A) Radiation. B) Convection. C) Evaporation. D) Conduction. Show Answer Correct Answer: B) Convection. 42. When I get home from work I set my bag down, clean the dishes, turn on the living room light, and read a book. What creates the most heat? A) The bag. B) The book. C) The living room light. D) The dishes. Show Answer Correct Answer: C) The living room light. 43. Calorimetry Question:A piece of metal with a mass of 32.8 g is heated to 100.5$^\circ$C and dropped into 138.2 g of water at 20.0$^\circ$C. The final temperature of the system is 30.2$^\circ$C. What is the specific heat capacity of the metal? A) 5.29 J/g$^\circ$C. B) 2.56 J/g$^\circ$C. C) 3.50 J/g$^\circ$C. D) 0.391 J/g$^\circ$C. Show Answer Correct Answer: B) 2.56 J/g$^\circ$C. 44. Which is the best example of convection? A) A light bulb. B) A campfire. C) A hot air balloon. D) None of the above. Show Answer Correct Answer: C) A hot air balloon. 45. Transfer of heat in solids happen due to the phenomenon of- A) Conduction. B) Convection. C) Radiation. D) None of the above. Show Answer Correct Answer: B) Convection. 46. NORMAL TEMPERATURE OF HUMAN BODY IS? A) 37$^{0}$K. B) 37$^{0}$F. C) 37$^{0}$C. D) None of the above. Show Answer Correct Answer: C) 37$^{0}$C. 47. . Which one has highest specific heat? A) Benzene. B) Kerosene. C) Lead. D) Water. Show Answer Correct Answer: D) Water. 48. Heat is a form of energy that travels from ..... objects to ..... objects. A) Large; small. B) Cooler; warmer. C) Small; large. D) Warmer; cooler. Show Answer Correct Answer: D) Warmer; cooler. 49. Which of the following is used for measuring temperature? A) Scapulometer. B) Barometer. C) Thermometer. D) Anemometer. Show Answer Correct Answer: C) Thermometer. 50. What type of heat transfer is when heat is passed by vibrating particles? A) Conduction. B) Convection. C) Radiation. D) Toasted sandwich. Show Answer Correct Answer: A) Conduction. 51. A thermos bottle keeps warm liquids warm and cold liquids cold. A thermos bottle must be made from a good A) Heat conduction material. B) Heat insulation material. C) Heat expanding material. D) Heat contracting material. Show Answer Correct Answer: B) Heat insulation material. 52. A conductor is a substance that ..... A) Allows heat to flow through it. B) Blocks heat. C) Radiates heat. D) Sucks out heat. Show Answer Correct Answer: A) Allows heat to flow through it. 53. The rising and falling of air due to uneven heating of the Earth's surface is called A) Convection. B) Radiation. C) Does not happen. D) Conduction. Show Answer Correct Answer: A) Convection. 54. Which sentence is true? A) Conduction can take place through solids, liquids and gases. B) All objects radiate heat to their surroundings. C) Convection currents move sideways. D) A laboratory thermometer is used to measure the temperature of a human body. Show Answer Correct Answer: B) All objects radiate heat to their surroundings. 55. What happens when heat is added to a water? A) The energy in the water is released. B) The particles in the water start to stick together. C) The particles in the water move faster. D) The thermal energy of the water decreases. Show Answer Correct Answer: C) The particles in the water move faster. 56. A metal spoon is used to stir a pot of boiling water. The person holding the metal spoon feels the spoon get hot. Which best describes the transfer of heat in the spoon? A) Convection. B) Conduction. C) Electrical. D) Radiation. Show Answer Correct Answer: B) Conduction. 57. What is the normal temperature of a healthy person? A) 37$^\circ$C. B) 37$^\circ$F. C) All the above. D) None of the above. Show Answer Correct Answer: A) 37$^\circ$C. 58. A toaster warms a bagel for breakfast. What type of thermal energy transfer is occuring? A) Transformation. B) Convection. C) Radiation. D) Conduction. Show Answer Correct Answer: C) Radiation. 59. What is the impact of Michael's father's absence on his life in 'Heat'? A) It makes him more independent. B) It has no effect on him. C) It causes him to lose interest in baseball. D) It leads to financial difficulties. Show Answer Correct Answer: A) It makes him more independent. 60. A shirt warmed when it touches a hot iron A) Laundry. B) Convection. C) Conduction. D) Radiation. Show Answer Correct Answer: C) Conduction. ← PreviousNext →Related QuizzesScience QuizzesClass 7 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 8Class 7 Science Chapter 3 Heat Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books