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Lesson 10 – Experiment: What Is Sound?

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Read The Experiment to Learn About Sound

What Is Sound?

Light is a form of energy. Sound is also a form of energy. Sound is energy that can be heard. Sound is made when energy causes an object to vibrate, or move back and forth very quickly. Sometimes you can also feel sound vibrations. You make sound when the vocal cords in your throat vibrate. Try this experiment to feel the vibrations of sound.

Now Show What You Know!

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