WHAT IS A MACHINE? A machine is an object made of one or more parts. It helps us to make our work...

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Transcript of WHAT IS A MACHINE? A machine is an object made of one or more parts. It helps us to make our work...

WHAT IS A MACHINE?A machine is an object made of one or more

parts. It helps us to make our work easier and save time and effort.

WHY DO WE USE MACHINES?To move heavy objects. For example a crane

To help us with household choresA washing machine

To go from one place to another.A car

To cut

A saw

To have a good time

A T.V

TYPES OF MACHINESSIMPLE MACHINESAre made of few parts. Example a ramp.

• COMPOUND MACHINESMade of various simple machines joined

together.Example: a bike.

HOW DO MACHINES WORK?SOME MACHINES WORK BECAUSE THEY

ARE MOVED BY PEOPLE OR ANIMALS . OTEHRS WORK WITH ELECTRICITY OR SOME TYPE OF FUEL.

THINK ABOUT THESE QUESTIONS….NAME TWO SIMPLE MACHINES AND TWO

COMPOUND MACHINESNAME THREE MACHINES THAT ARE

MOVED BY PEOPLE AND THREE THAT WORK AUTOMATICALLY.