Science

This chapter explains in detail the sources of food. We will learn how different food contain carbohydrates, fats, proteins, vitamins, minerals and roughage. We will also learn the importance of water, balanced diet, and food quality.

This chapter describes matter and its states. Everything around us is matter which has mass and occupies space. There are three primary states of matter, namely, solid, liquid and gas. Two other states, i.e., plasma and BES are produced under extreme conditions.

This topic describes the materials we use daily. Science has provided a variety of materials for daily life. Acids, bases, and salts form the basis of production of such materials. Soaps, cements, polymers, etc. are few examples of such materials.

This chapter discusses the living world. It explains in detail the classification of living world. Further, we will learn about plant morphology and physiology, besides the classification of the kingdom Animalia.

This chapter discusses interesting facts about cell, which is the basis unit of life. It explains in detail cell theory, the types and components of cells, along with the comparison of plant and animal cells, among other concepts.

The chapter discusses the human physiology. It explains in detail interesting facts about the digestive, respiratory, circulatory, and other organ systems inside our bodies. We will also learn how an organ system is formed.

The chapter discusses interesting facts about microorganisms. We will also learn about the microorganisms that are beneficial to us. It further describes how different microorganisms cause diseases.

The chapter discusses how things move. We will learn about force, pressure and how work can be calculated. Further, we will also understand the Newton’s laws of motion.

The chapter defines work, power and energy. We will learn about how work is calculated. It also discusses the forms of energy and states that energy can neither be created nor be destroyed. It can only be transformed from one form to another.

The chapter discusses the forms of electricity. We will learn in detail about the different sources of electricity. Besides, we will understand that current has a magnetic property and explains the characteristics of a magnet.

The chapter discusses the different natural phenomena that impacts our lives in multiple ways. We will learn in detail about natural calamities such as flood, tsunami, drought and the like. It also talks about global warming and its effects.

The chapter discusses the stars in the sky, along with some interesting facts about the solar system. We will learn about the different planets in the system and the meteors. It also teaches us the term constellations and how they are pictured by us.

The chapter discusses natural resources and their types. We will learn about the properties of air and water. It also teaches us about the different soils, along with the fertilisers used to grow plants. We will also learn about solid waste management.