Class 4 (CBSE) / Environmental Studies
Chapter 7: How Things Work
How Things Work - Environmental Studies (Our Wondrous World), NCERT Class 4.
Topics
Topic 1
Simple Machines in Daily Life
Simple machines, like levers, wheels, pulleys, and inclined planes, make our work easier in daily life.
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How Everyday Devices Work
Everyday devices, like fans, bulbs, and simple toys, work using basic principles of electricity, motion, or mechanics.
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