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Push-button facts for kids

Kids Encyclopedia Facts
Push Button Light Switch
Push Button Light Switch

A push-button is a switch in the shape of a small button or knob. When it is pushed it completes an electrical circuit that controls something. For example a doorbell rings when a person pushes a button, or numbers are displayed on a calculator or even when you are playing a machine game at an arcade.

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Push-button Facts for Kids. Kiddle Encyclopedia.