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Simple Machines



Materials required :

Lever, inclined plane, wheel and axle, screw, wedge, pulley, hammer, bottle opener, ramp, slide, door knobs, jacks, knives, forks, flag poles, cool drink bottle, etc.


How to prepare :

1. All the original things should be procured and displayed under different headings like lever, inclined plane, wheel and axle, screw, wedge and pulley. You can show how to open a cool drink bottle easily using a bottle opener.


Dialogues :

1. Simple machines are tools that make work easier.

2. Few simple machines are Lever, Inclined plane, Wheel and axle, Screw, Wedge and Pulley.


    • A lever is a board that rests on turning point called fulcrum. Ex : hammer, bottle opener etc.


    • Inclined plane is a flat surface that is higher on the land. Ex : ramp, slide etc.


    • Wheel and axle :The axle is a rod that goes through the wheel. Ex : cars, door knobs etc.


    • Screw is a simple machine that is made from another simple machine such as jacks, wrenches etc.


    • Wedge is a machine used to push two objects a part. Examples are knives, forks etc.


    • Pulley is made up of a wheel and a rope. Examples are clothes lines, flag poles etc.



0 #1 gadha 2013-12-13 19:14
bhakwasssssssss ssssssssh!

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