Class 4 (CBSE) • Environmental StudiesChapter 7: How Things Work⭐ Topic 2
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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An electric fan uses electricity to power a motor, which spins blades to move air and create a cooling breeze.
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Remember these!
- An electric fan uses a motor to spin blades.
- The motor is powered by electricity.
- A light bulb produces light using electricity.
- Wind-up toys store and release energy to move.
- Devices use principles of electricity, motion or mechanics.
- Understanding devices builds appreciation for everyday science.
- Curiosity about devices can inspire further learning.
- Simple principles power many devices we use daily.