Sound 2

How is sound produced?

• By the vibration of particles
• By the transfer of particles 

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NGSS.4-PS3-2

NGSS.4-PS4-1

The reflection of sound waves off of a hard surface can create ______.

• A wave
• An echo 

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NGSS.MS-PS4-2

Soft surfaces _______ sound waves. 

• Reflect
• Absorb

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CCSS.RL.3.7

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CCSS.RL.5.7

____________ is determined by sound wave's frequency. 

• Compression
• Pitch 

_______ is the number of waves that pass a certain point at an specific time. 

• Frequency 
• Pitch
• Amplitude
• I don't know

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NGSS.MS-PS4-1

___________ affects how fast or slow sound waves travel.

• Temperature

• Speed

• Amplitude

• Frequency

_______ is how high or low we listen/perceive  a sound. 

• Pitch
• Frequency
• Amplitude
• I don't know

If you had to make some headphones to isolate sound, which material would you use?

• Soft, because they absorb sound. 
• Hard, because they reflect sound. 

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NGSS.MS-PS4-1

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Sound is caused by....

• molecules
• vibrations
• people
• space

Sound does not travel in space because

• Space is too far away.
• There is no matter in space.
• Space is the final frontier
• Space has planets.

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NGSS.4-PS3-2

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