Heat

The topic covers the concept of heat and its effects. It discusses temperature and its measuring instruments with the properties of heat and cold. It mentions the degree of temperature including Celsius, Fahrenheit and Kelvin scale.

In this topic, we will learn about specific heat with its units. It describes some natural phenomena caused due to high specific heat. A table is also given here to show the specific heat of some substances.

In this exercise-based topic, we will understand the method of mixtures. It discusses the three different situations based on the possible types of mixtures. It also highlights the principle of methods of mixtures.

In this topic, we will study the change of a liquid into vapours at any temperature. It enlists the factors affecting evaporation. Cooling caused by evaporation is also explained with the aid of examples and activities.

Through this topic, we will learn about the process of condensation. It contains numerous questions based on this concept. It also includes an activity with problems and results based on the concept for enhancing our knowledge.

This topic sheds light on the concept of boiling. An activity related to boiling water and measuring its temperature with a thermometer has been provided here. We will also learn about the latent heat of vapourization.

In this topic, we will understand the phenomenon of melting with the help of activities. It explains the melting point with a temperature range. It also describes the latent heat of fusion and discusses some facts on the strange behaviour of water.

In this topic, we will study the conversion of liquid into solid by the process of freezing. It details the process of freezing by discussing its conditions and requirements. With the help of an activity, we will understand this process thoroughly.