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Lesson 01 – What Is a Structure?

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Read About Structures

Vocabulary

Read the vocabulary terms to understand the reading better.

A structure is something that is made from different parts and joined together in a certain way to support a load.

A load is the mass or weight supported by something.

What Is a Structure?

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.

To learn more about structures, watch the video by TutWay on Youtube.

Now Show What You Know!

Complete some questions about the reading selection by clicking “Begin Questions” below.