About This Chapter
Sound & Hearing Basics - Chapter Summary
These short lessons introduce the concepts of hearing, sound, vibration and how the ear turns vibrations into sounds. Topics include how sound travels and why sounds are different. You'll also learn the different ways available to protect your hearing and why this is so important. Once you review this chapter, you will be ready to:
- Describe how energy and sound are related
- Explain how sound moves through solids, water and air
- Name the three parts of the human ear
Our fun lessons help you understand even the most challenging subjects with ease. Work at your own pace as you study the entire chapter or just the lessons that cover the topics you need to review. Professional instructors created these lessons to help you learn and understand the topics clearly, and they are available to offer additional help if you need it.
1. Sound Energy: Lesson for Kids
Energy is all around us. We see it in light and feel it in heat, but what is it we hear? The answer is sound! Music, the mosquito buzzing in your ear, and the crack of the baseball bat are all examples of energy we can hear: sound.
2. Sound Vibrations: Lesson for Kids
You hear many different sounds each day, but you might not know much about how sound travels. In this lesson, you will learn about sound vibrations, how sound travels, and why sounds are different.
3. How Does Sound Travel? - Lesson for Kids
Learn the secret to how sound can travel. Examine details of sound and how different objects create different sounds. Discover how sound can travel through water, air, or solids.
4. How the Ear Works: Lesson for Kids - Parts & Facts
Ears help us collect and process sounds. In this lesson, you will learn about the three sections of the ear, different parts of the ear, and how these parts help you to hear all of the sounds around you.
5. Hearing Damage & Protection: Lesson for Kids
Ears are amazing parts of the body that enable you to hear. In this lesson, learn how your ears work, discover how hearing can be damaged, and identify ways to protect your ears and sense of hearing.
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