Clouds form when water evaporates, rises as vapour, and cools down. The vapour turns into tiny droplets and gathers together in the air. These droplets form clouds that later cause rain or snow. Class 5 Environmental Studies Grade 5 Chapter 1 ...
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Some microbes cause diseases like colds, flu and infections. Harmful bacteria or viruses can spread quickly, affect health and contaminate food or water. They require medical treatment, hygiene and prevention strategies like vaccines. Class 8 Science Curiosity Grade 8 Chapter 1 ...
A drop of water can contain bacteria, protozoa, algae and even viruses. Some of these microbes help us, while others can cause diseases. They play a vital role in ecosystems and human health. Class 8 Science Curiosity Textbook Chapter 1 Exploring ...
Helpful microbes assist in digestion, make vitamins, break down waste and are used in making medicines and vaccines. They also support industries like baking and dairy by producing enzymes and fermentation. Class 8 Science Curiosity Grade 8 Chapter 1 Exploring the ...
A single drop of water contains countless microorganisms that reveal important biological processes. Studying it introduces students to microbiology, the impact of invisible life and the connection between simple observations and complex scientific knowledge. Class 8 Science Curiosity Textbook Chapter 1 ...