Energy & Sound

What is the scientific study of sound

• physics

• decibels

• acoustics

• biology

The amount of energy in a sound wave is measured in _____

• decibels

• volume

• pitch

• waves

Sound waves travel in all directions.

• True

• False

The loudness of a sound wave ____ the further it travels.

• Increases

• Decreases

A sound can be high or low. This is known as...

• wave

• volume

• pitch

• acoustics

If a noise is louder than ____ decibels your hearing can be damaged.

• 45

• 120

• 130

• 85

The first part of the ear a sound wave reaches

• eardrum

• outer ear

• ear canal

• middle ear

A sound can be loud or soft. This is known as...

• pitch

• sound

• volume

• decibels

Sounds cannot travel through solids.

• True

• False

Vibrations travel through the bones in the ____.

• eardrum

• middle ear

• ear canal

• inner ear