Super Hearing Aids

Topic explored

How My Super Hearing Aids Work

Questions it answers

• How do the little machines catch sound?
• Why do they need batteries?
• How do they send music to my brain?

Inside the book

• What are hearing aids?
• What is sound?
• How do ears hear?
• How do they catch sound?
• What happens inside?
• Why do they need batteries?
• How does sound reach my ear?
• How does music get in?
• How does my brain hear?
• What can buttons do?
• How do I care for them?
• Try it yourself!
• What you learned!

Where the magic began

Shrink down to the size of a sound wave to discover the amazing micro-technology inside hearing aids.