Sound Waves

What happens when matter vibrates or moves back and forth very quickly?

• Light is produced

• Sound is made

• Heat is generated

• Electricity is conducted

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NGSS.MS-PS4-1

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Through which medium do most of the sounds we hear travel?

• Solids

• Liquids

• Gases

• Vacuum

How does sound travel through a medium?

• By creating light waves

• By pushing particles of a substance

• By changing temperature

• By altering magnetic fields

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NGSS.MS-PS4-1

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What is the order of speed of sound from fastest to slowest in different states of matter?

• Solids, liquids, gases

• Gases, liquids, solids

• Liquids, gases, solids

• Gases, solids, liquids

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NGSS.MS-PS4-1

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What does volume refer to in terms of sound?

• The loudness or softness of a sound

• The speed of the sound wave

• The pitch of the sound

• The frequency of the sound

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NGSS.MS-PS4-1

What do loud sounds use compared to soft sounds?

• A lot of energy

• Less energy

• The same amount of energy

• No energy

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NGSS.MS-PS4-1

What factors can affect pitch?

• The color of the sound

• The age and health of your ears

• The distance from the sound source

• The speed of light

What is ultrasound?

• Sound at frequencies lower than most people hear

• Sound at frequencies higher than most people hear

• Sound at frequencies within the range most people hear

• Sound at frequencies equal to 20000 Hz

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NGSS.HS-PS4-5

In which applications is ultrasound commonly used?

• Radio broadcasting

• Sonar and ultrasound imaging

• Television transmission

• Internet communication

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NGSS.MS-PS4-2

What does the acronym SONAR stand for?

• Sound Navigation and Ranging

• Sound Observation and Recording

• Signal Navigation and Ranging

• Signal Observation and Recording

Tags

NGSS.MS-PS4-2