1. Which of the following scales is commonly used in weather reports?
2. What happens to a metal rod when it is heated?
3. Which of the following liquids is commonly used in thermometers?
4. What is the main cause of sea breeze during daytime?
5. Which of the following expands least on heating?
6. The transfer of heat from one molecule to another without movement is called
7. Why are railway tracks provided with gaps?
8. Which of the following is an example of radiation?
9. What happens to the particles of a substance when heated?
10. Which of the following is used to measure very high temperatures?
11. Why does a metal spoon feel colder than a wooden spoon at room temperature?
12. Which of the following is a poor absorber of heat?
13. The process of heat transfer in vacuum is
14. When water is heated from 0°C to 4°C, its volume
15. Which of the following is NOT a good conductor of heat?
16. Why do we wear light-colored clothes in summer?
17. The unit used to measure heat in older systems is
18. Which of the following changes state directly from solid to gas?
19. What is the freezing point of water in Fahrenheit scale?
20. Heat energy causes particles to
