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Lesson 09 – Tension and Compression

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Read About Tension and Compression

Vocabulary

Read the vocabulary terms to understand the reading better.

Compression is a pushing force that makes part of a structure shorter.

A pulling force is when you use force to move an object closer to you.

A pushing force is when you use force to move an object away from you.

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

Tension is a pulling force that makes part of a structure longer.

Tension and Compression

Compression and Tension in Structures

It is easy to see how tension changes an elastic band. You can see the elastic stretch. It is also easy to see a sponge get compressed. Compression and tension change structures, too. But the change is so small that the change is hard to see.

To learn more about tension and compression, watch the video by MooMooMath and Science on Youtube.

Now Show What You Know!

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