Water

This topic highlights the importance of water for all living things. We will learn about the different sources of water. It also briefs on the three states in which water exists in nature.

This topic discusses the occurrence and sources of water, including rain, wells and hand pumps. It explains the procedure of getting water from the rains by filling the ponds, lakes and rivers with a pictorial representation.

This topic discusses the sources of water using a crossword puzzle to have a fun-filled learning experience. It is followed by an activity where the students are allowed to discusses the sources of water in their house and how it is stored.

In this topic, we will learn about various forms of water. We will also learn how water changes from one form to another by heating or cooling.

This topic discusses the importance of water for all living beings. It highlights the uses of water for various purposes. It also covers methods to prevent water pollution and explains how to save water for the future.

This topic highlights the definition of solute, solvent, and solution. It explains different types of solutions here. A short note on a saturated solution is also given here.

This topic contains concepts like Water Pollution, Common Water Pollutants, Oxygen Demanding Wastes, and Pathogens as Water Pollutants.

This topic is about water that is fit for consumption. It explains the methods of water purification at the industrial and domestic levels. The tips for safe storing of water after purification are also given here with the aid of pictures.

The topic describes the methods of water purification. It is done to remove the impurities and chemicals from the water. Some of the methods include boiling, distillation, and so on.

This topic highlights water-borne diseases and their causes. It discusses the measures that can be taken to prevent water-borne diseases. It also lists some common water-borne diseases along with their symptoms and causative agents.

This topic discusses the ways to conserve water. It describes the need of conserving water and the process of rainwater harvesting.

This topic discusses the disappearing trick of water. Plant uses water to prepare their food. Water in the form of vapour goes into air by evaporation and form clouds, and then comes back to the ground as rain.

The topic highlights the solubility of substances in water. It discusses the saturated solution and effect of temperature on the solubility of substances with the aid of activities.