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Simple machines. The objects we use to make life easier are called machines. All the 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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The pulley. It is used to move objects up or down.

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The inclined plane. It is used to move objects up or down in different levels.

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The screw. It is used for joining two things together.

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The lever. It is used for pushing an object up or down.

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The wedge. It is used for cutting 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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The inclined plane, the wheel and axle, the wedge, the screw, the lever and the pulley.

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Think about all of them. Can you find any of them?

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You only need to think about your house. Think about all the rooms in your house.

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And guess, what can be a simple machine?