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Adolescence and Puberty Introduction Adolescence and Puberty Changes at Puberty A. Increase in Height B. Change in Body Shape C.…

Reproduction in Animals Introduction Modes of Reproduction Sexual Reproduction Male Reproductive Organs Female Reproductive Organs Interesting Fact Fertilisation What is…

Deforestation and Its Causes Consequences of Deforestation Activities Conservation of Forest and Wildlife Types of Protected Areas Biosphere Reserve Flora…

1.1 Combustion This chapter Combustion and Flame, focuses on the principles of combustion, types of flames, fire control methods, characteristics…

Resources We use different materials like Coal and Petroleum every day. Some are natural, and some are made by humans.…

1.1 Microorganisms Introduction to Microorganisms Observing Microorganisms Characteristics of Microorganisms Examples of Microorganisms and Diseases 1.2 Where Microorganisms Live 1.3…

Improvement in Crop Yields Why Do We Need to Improve Food Production? Past Successes Challenges Solutions Improvement in Crop Yields…

Tissues Introduction Division of Labour Examples of Tissues Are Plants and Animals Made of the Same Types of Tissues? Now,…

What are Living Organisms Made Up of? Robert Hooke’s Discovery Conclusion More to Know About Cells Discovery of Cells Unicellular…

Eco-System – What are its Components? We often hear about the “environment” on TV, in newspapers, and from people around…