Sound Quiz

What wave characteristic determines the loudness of a sound?

• frequency

• speed

• wavelength

• amplitude

Which of these waves represents the loudest sound?

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Which of these waves represents the highest pitch?

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What are you doing when you're making sound?

• Causing photons to travel.
• Causing air molecules to vibrate.
• Causing electromagnetic waves to radiate.
• Causing air pressure to drop.

What is compression?

• When air molecules move apart from one another.
• When air molecules collide with each other.
• When air molecules become packed tightly together.
• When air molecules move around freely.

What is the relationship between frequency and sound?

• Frequency affects a sound's volume
• Frequency affects a sound's amplitude
• Frequency affects a sound's loudness
• Frequency affects a sound's pitch

Where would sound travel the slowest?

• New York City
• In the pine forests of Georgia
• At the North Pole
• At the equator

Which of these does sound travel fastest through?

• Steel
• Water
• Air
• Rock

Sound travels in-

• packs
• circles
• waves
• minivans

Sound is a form of 

• energy
• light 
• frequency
• pitch