Sound is a Wave

In the ear, a fluid-filled cavity that is shaped like a snail shell is the

• ear canal.
• eardrum.
• cochlea.
• larynx.

____________ energy is caused by vibrations.

• light

• heat

• sound

Sound waves are made by ______

• Noise

• Vibrations

• Mouth

• People

What is vibration?

• how loud a sound is
• the back and forth movement of matter
• how high or low a sound is
• the loudness or softness of a sound

How does a sound wave interact with a human ear?

• vibrates the ear drum
• bounces off the ear canal
• rotates the ear drum
• vibrates the ear canal

Tags

NGSS.MS-PS4-2

Material (matter) through which a wave travels

• medium
• Doppler Effect
• sound
• pitch

A reflected sound wave

• frequency
• pitch
• echo
• rarefaction

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

A wave that requires a medium through which to travel

• mechanical wave
• chemical wave
• electromagnetic wave
• pitch

Sound does not travel in space because

• Space is too far away.
• There is no matter in space.
• Space is the final frontier
• Space has planets.

What is vibration?

• how loud a sound is
• the back and forth movement of matter
• how high or low a sound is
• the loudness or softness of a sound

Tags

NGSS.MS-PS4-1