Q.1. True/False
(i) Metals are poor conductors of heat.
(i) Land breeze occurs during the night.
(i) Dark-colored clothes absorb less heat than light-colored clothes.
(i) Water vapor released by plants is called transpiration.
(i) Radiation requires air or water to transfer heat.
Q.2. Fill in the blanks.
(i) The hotness of an object is determined by its ____.
(ii) Temperature is measured in degree ____.
(iii) A cold steel spoon is dipped in a cup of hot milk. It transfers heat to its other end by the process of ____.
(vi) Dark colored clothes are preferred during ____.
(v) Poor conductors are known as ____.
Answer the following Questions
Q.3. Does the transfer of heat by radiation require any medium?
Q.4. What is the concern associated with the use of mercury thermometers?
Q.5. How water get heated when kept on flame?
Q.6. Which device is used to measure temperature?
Q.7. How does heat flow from one object to another?
Q.8. Do all hot bodies radiate heat?
Q.9. How does heat transfer in solids?
Q.10. What is Conduction?
Q.11. Explain the process of conduction with an example.
Q.12. What is convection and how does it affect coastal areas?
Q.13. Describe radiation and give two real-life applications.
Q.14. How does the water cycle help in redistributing water on Earth?
Q.15. What are ice stupas and how do they help conserve water in Ladakh?
You can find Worksheets Solutions here: Worksheet Solutions: Heat