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 ...
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Medicines kill or control harmful microbes in the body, while vaccines train the immune system to recognize and fight future infections. Both are essential tools for preventing and treating diseases caused by bacteria and viruses. Class 8 Science Curiosity Grade 8 ...
The key elements are a balanced diet, clean water, fresh air, regular exercise, rest and hygiene. These support the body’s organs and immune system, helping fight diseases and maintain energy and well-being. Class 8 Science Curiosity Chapter 1 Exploring the Investigative ...
Zooming into materials shows how particles behave. It helps us understand how air pressure affects particle movement and how heat increases energy, causing boiling. These microscopic views explain changes we see, like water turning into steam. class 8 science chapter 1 ...
Storms and cyclones cause loss of life, damage to homes, crops and livestock. They flood fields, uproot trees and disrupt transport and power. These events affect farming, food supply and people’s daily lives significantly. class 8 science chapter 1 exploring the ...