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 ...
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Nutritious food gives the body energy and nutrients to grow, repair and fight infections. Exercise strengthens muscles, improves circulation and boosts immunity. Both together support physical and mental well-being. Class 8 Science Curiosity Chapter 1 Exploring the Investigative World of Science ...
There are more stars in our galaxy than grains of sand on Earth. This comparison highlights the vastness of the universe and helps spark curiosity about the unknown world of astronomy and space science. Class 8 Science Curiosity Chapter 1 Exploring ...
Designing ways to answer focused scientific questions means planning methods like experiments, models or observations to explore a specific question. It includes choosing tools, deciding steps and analyzing results to find reliable answers scientifically. Class 8 NCERT Science Curiosity Chapter 1 ...
The heating effect of electric current is used in appliances like heaters, irons, toasters and geysers. When electricity flows through a resistor, it produces heat, which helps in cooking, warming rooms and pressing clothes. Class 8 Science Curiosity Grade 8 Chapter ...