Class 7 CBSE Physics Chapter 3: Heat - MCQs

Class 7 CBSE Physics Chapter : Heat Multiple Choice Questions (20 Questions) Instructions: Choose the correct answer for each question. 1. Heat is a form of: a) Matter b) Energy c) Force d) Pressure 2. The SI unit of temperature is: a) Celsius b) Fahrenheit c) Kelvin d) Joule 3. Which of the following is the best conductor of heat? a) Wood b) Plastic c) Copper d) Glass 4. The process of heat transfer in liquids and gases is called: a) Conduction b) Convection c) Radiation d) Evaporation 5. Heat transfer without any medium is called: a) Conduction b) Convection c) Radiation d) Absorption 6. The normal temperature of human body is: a) 37°C b) 98°C c) 100°C d) 36°C 7. Which thermometer is used to measure very high temperatures? a) Clinical thermometer b) Laboratory thermometer c) Digital thermometer d) Pyrometer 8. The maximum temperature that a clinical thermometer can measure is: a) 100°C b) 110°C c) 42°C d) 50°C 9. Sea breeze occurs during: a) Day ti...