This chapter covers topics like Introduction to matter, Characteristics of the particles of matter, Compressible as compared to liquids and solids, Diffusion, Food Adulteration, Mass, Shape and Volume of Solids, Liquids and Gases, etc.
This chapter covers topics like Burning and Combustion, Composition of air, Experimental verification of presence of Oxygen, Carbon dioxide and Nitrogen in air, Importance of air for survival of plants and animals, etc.
This chapter covers topics like Introduction to water, Availability of water, Composition of water, Conservation of water, Importance of water, Natural Sources of fresh water, Water cycle, Water distribution and treatment system, etc.
