Sound and Waves

Sound is produced by -----

• Heat energy

• Low temperatures

• Vibrations

• Friction

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NGSS.HS-PS4-1

True or False: Sound needs a medium.

• True

• False

Areas of increased pressure on a sound wave are known as a ----

• Rarefaction

• Compression

• Frequency

• Amplitude

Tags

NGSS.MS-PS4-1

The distance from the beginning of one compression to the beginning of the next compression is called a -----

• Rarefaction

• Frequency

• Wavelength

• Compression

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NGSS.MS-PS4-1

The number of wavelengths that pass a fixed point each second is known as ----

• Hertz

• Amplitude

• Frequency

Tags

NGSS.HS-PS4-1

The unit for measuring frequency is the ---

• Joule

• Hertz

• Gram

• Newton

Tags

NGSS.HS-PS4-1

The measure of the amount of energy in a wave is ----

• Wavelength

• Hertz

• Frequency

• Amplitude

Tags

NGSS.MS-PS4-1

If the distance represented by the letter A were increased, how would it change the way the sound was heard?

• The sound would be higher. 
• The sound would be lower. 
• The sound would be softer. 
• The sound would be louder. 

Tags

NGSS.MS-PS4-1

When comparing the two waves that are shown, how would Wave A (green wave) differ than Wave B (black wave)?

• Wave A and B have the same amplitude, but wave B (black) has a lower pitch.
• Wave A and B have the same amplitude, but Wave A has a lower pitch. 
• Wave A and B have the same pitch, but Wave A is a softer sound. 
• Wave A and B have the same pitch, but Wave B is a softer sound. 

Tags

NGSS.MS-PS4-1

When a sound is louder what measurement gets bigger?

• Frequency 
• Amplitude 
• Wavelength 
• Crest

Tags

NGSS.MS-PS4-1