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What Is a Structure?
A structure is something that holds or supports a load. A truck can hold a heavy load of boxes.
Your bed is a structure that supports a load. When you lie on your bed, you are the load. The bed supports the weight of your body.
A Structure Has Size
Structures come in many different sizes. A skyscraper is a huge structure. A skyscraper supports the weight of all the people, furniture, and equipment inside it.
A paper cup is smaller than a skyscraper, but a paper cup is a structure, too. When you fill a paper cup with water, the water is the load. The cup has to support the weight of the water.
A Structure Has Shape
A structure can be almost any shape. A bookcase is a structure shaped like a rectangle. Buildings are structures. Think of all the different shapes that buildings can be. An airplane and a helicopter are both structures that can fly. They each have a different shape.
A Structure Has a Purpose
A structure is built to do something. A bed gives you a soft place to lie down and sleep.
A bookcase stores books. A truck carries large, heavy loads from place to place.
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