Understanding Sound

What is sound made of?

• Light waves

• Water waves

• Vibrations

• Air bubbles

How does sound travel?

• Through space

• Through vibrations in air, water, or solid objects

• Only in water

• Only through solid objects

Which part of the ear helps us hear sound?

• Tongue

• Eardrum

• Eye

• Nose

What happens when you speak loudly?

• The vibrations get smaller

• The vibrations get faster and bigger

• There are no vibrations

• The air freezes

Which of these is an example of a high-pitched sound?

• A lion's roar

• A bird's chirp

• A drum beat

• A car horn

How does sound reach our ears?

• By being absorbed by air

• By waves traveling through air, water, or solids

• By light shining into our ears

• By the wind pushing it into our ears

Which part of the ear helps us understand sound?

• The eyes

• The nose

• The inner ear, where sound is turned into signals for the brain

• The tongue

What can you do to protect your ears from very loud sounds?

• Stand closer to the sound

• Wear earplugs or cover your ears

• Turn up the volume

• Ignore the sound