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MACHINES

A machine is a human-made thing that makes our work easier and faster.
There are many machines all around us. For example, a pair of scissors is a

simple machine used for cutting paper, cloth or other things.

COMMON FEATURES OF MACHINES

All machines have some common features:

Machines help you do work.
Walk around your
Machines save time. classroom. Point out one

Machines make work easier. natural thing and one
human-made thing.
Machines need power to work.

Tick ( ) if you know this.
▶ Natural things are not made by humans.

▶ A machine is a human-made thing.

HOW MACHINES WORK?

Just like humans need food, machines need fuel, electricity or human power
to work. For example:

1. Machines that use fuel to work.

Bike

Airplane
Truck

Computer– A Smart Machine 9