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Simple Machines. The objects we use to make life easier are called machines. Only machines need some kind of energy to function. It can be the energy of a person. Simple machines have few or no moving parts.

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Pulley, it is used to move objects up or down

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Inclined plane, it is used to move objects up or down in different levels

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Screw, it is used for joining two things together

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Lever, it is used for pushing an object up or down

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Wedge, it is used for catching or pushing things apart

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Wheel and axle, it is used for transportation

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I want you to think about simple machines at home.

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Think about all of them.

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Can you find any of them?

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You only need to think about your house.

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Think about all the rooms in your house and guess what can be a simple machine.