Download - Tools help us
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![Page 1: Tools help us](https://reader037.vdocument.in/reader037/viewer/2022083111/58f1296f1a28ab73628b4573/html5/thumbnails/1.jpg)
Tools help us
![Page 2: Tools help us](https://reader037.vdocument.in/reader037/viewer/2022083111/58f1296f1a28ab73628b4573/html5/thumbnails/2.jpg)
Tools help us in different ways.
Tools and machines make our lives easier.
Some tools are very simple (a few parts) and other are more complex (lots of
parts).
![Page 3: Tools help us](https://reader037.vdocument.in/reader037/viewer/2022083111/58f1296f1a28ab73628b4573/html5/thumbnails/3.jpg)
Examples:
This is a knife.
This is a hammer.
![Page 4: Tools help us](https://reader037.vdocument.in/reader037/viewer/2022083111/58f1296f1a28ab73628b4573/html5/thumbnails/4.jpg)
Examples:
This is a saw.
pliers
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More examples:
This is a screwdriver.
scissors
spanner
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How many parts do they have ?
Simple machines or
complex machines ?
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A mobile phone has lots of parts.It is a complex machine.
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A pulley has a few parts. It is a simple machine.
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A drone has got lots of parts.It is a complex machine.
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A saw has a few parts.It is a simple machine.