Exploring the Science of Sound

What is sound primarily considered as?

• A form of heat

• A wave or vibration

• A type of light

• A type of energy

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Through which states of matter can sound travel?

• Only solid and liquid

• Solid, liquid, and gas

• Only gas

• Solid, liquid, and plasma

What initiates the travel of sound?

• A mechanical movement

• A change in temperature

• A change in light

• A chemical reaction

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NGSS.MS-PS4-1

Why can't sound travel in a vacuum?

• Because it is too hot

• Because it is too cold

• Because there are no molecules to vibrate

• Because there is no light

What does a high frequency of sound waves indicate?

• A lower pitch

• A higher pitch

• A softer sound

• A louder sound

What is the frequency range that the human ear can detect?

• 40Hz to 40,000Hz

• 30Hz to 30,000Hz

• 20Hz to 20,000Hz

• 10Hz to 10,000Hz

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NGSS.MS-PS4-1

What is the difference in sound between the heaviest and thinnest string on a guitar?

• Volume

• Pitch

• Duration

• Frequency

How is the loudness of sound measured?

• In Hertz

• In Decibels

• In Lumens

• In Watts

What is infrasound?

• Sound with frequency between 20Hz and 20,000Hz

• Sound that cannot be heard by humans

• Sound with frequency below 20Hz

• Sound with frequency above 20,000Hz

Tags

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What is ultrasound?

• Sound that cannot be heard by humans

• Sound with frequency above 20,000Hz

• Sound with frequency below 20Hz

• Sound with frequency between 20Hz and 20,000Hz