Heat

This topic discusses hot and cold objects. In our daily life, we can see a number of objects which may be hot or cold. The concept is explained with an activity.

In this topic, we will learn about temperature and the instrument used to measure it. It also provides a detailed description of laboratory thermometer along with some activities for better understanding.

This topic describes laboratory thermometer. Laboratory thermometer is used to measure an object’s temperature. The reading of these thermometers is between 10°C and 110°C.

This topic explains the transfer of heat by the process of conduction. With the aid of various activities, it provides a difference between conductors and insulators.

In this topic, we will learn about the transfer of heat by the process of convection. It briefs on the process of sea and land breeze by along with activities with the use of illustrations.

This topic deals with the types of clothes we wear in winter and summer. Wool is a poor conductor of heat; hence, we wear woollen clothes in winter. Light-coloured clothes reflect heat that falls on it, so we wear light colour clothes in summer.