Sound and Waves Quiz

When you sing in an empty gym, why does your voice sound louder?

• The sound waves are absorbed.

• The sound waves are reflected.

• The sound waves are scattered.

• The sound waves are muted.

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What is the ability of some animals to use sound waves to locate food called?

• Sonar

• Echolocation

• Reflection

• Amplification

Where does sound travel to the brain from?

• Outer ear

• Middle ear

• Inner ear

• Eardrum

Through what must sound travel in order to be heard?

• A vacuum

• A medium

• A solid

• A liquid

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What is a form of energy made up of vibrations of the medium that can be heard?

• Light

• Heat

• Sound

• Electricity

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What pattern do longitudinal waves usually have?

• Circular

• Back and forth

• Up and down

• Zigzag

Sound waves from a chirping bird have what kind of frequency?

• Low frequency

• Medium frequency

• High frequency

• No frequency

What is the term that describes the quality of a sound?

• Pitch

• Volume

• Timbre

• Frequency

Through which medium do sound waves travel the fastest?

• Air

• Water

• Steel

• Wood

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Who invented the telephone?

• Thomas Edison

• Nikola Tesla

• Alexander Graham Bell

• Samuel Morse