Waves and Sound

What is frequency?

• the number of vibrations per second
• how high or low a sound is
• the loudness or softness of a sound
• the back and forth movement of matter

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NGSS.HS-PS4-1

You will see a flash of lightening before you hear the thunder that goes with it because-

• the eye is quicker than the ear
• thunder occurs much later than lightening
• sound travels faster through the  atmosphere than light
• light travels faster through the atmosphere than sound

Tags

NGSS.HS-PS4-1

High frequency waves have _________ wavelength.

• varying
• high
• the same
• low

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NGSS.HS-PS4-1

Based on the picture, choose the best description of how wavelength and frequency are related

• As wavelength increases, frequency increases
• As frequency increases, wavelength remains the same
• As frequency increases, wavelength decreases
• frequency and wavelength mean the same thing

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NGSS.HS-PS4-1

The orange line is measuring the _________________________.

• wavelength
• amplitude
• crest
• trough

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NGSS.HS-PS4-1

What does it mean to refract?

• bounce off
• to bend
• curve outward
• reflect

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NGSS.HS-PS4-5

____________________  is the number of waves that move past one spot in a second

• energy
• amplitude
• wavelength
• frequency

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NGSS.HS-PS4-1

High frequency waves have _________ wavelength.

• varying
• high
• the same
• low

Tags

NGSS.HS-PS4-1

____________________  is the distance between two crests

• wavelength
• amplitude
• trough
• frequency

Tags

NGSS.HS-PS4-1

A sound's pitch is based on the _____________ of its sound waves

• loudness
• amplitude
• frequency
• pitch

Tags

NGSS.HS-PS4-1