NGSS.4-PS4-1

When Mr. Sinyard yells his name in a cave, the sound reflects off the walls of the cave and travels back to his ears.  What is this called?

• refraction
• amplitude
• pitch
• echo

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NGSS.4-PS4-1

Sound is caused by? 

• force
• vibrations
• instruments

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NGSS.4-PS4-1

A longer string makes a _______ pitch than a short string.

• louder
• softer
• higher
• lower

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NGSS.4-PS4-1

When you measure the volume of sound what are you measuring

•  how high or low the sound is
  
  
• how loud or soft the sound is
• how long or short the sound is
• how little or big the sound is

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NGSS.4-PS4-1

A disturbance moving through a medium such as a solid, liquid, or gas is a ________

• sound
• model
• wave
• pitch

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NGSS.4-PS4-1

When someone or something makes a sound in the room, how are the sound waves similar to ripples on a pond? 

• Sound waves are similar to ripples on a pond because they look similar and they both spread outwards. 
• Sound waves are similar to ripples on a pond because they look similar and spread inwards.

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NGSS.4-PS4-1

What is vibration?

• how loud a sound is
• the back and forth movement of matter
• how high or low a sound is
• the loudness or softness of a sound

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NGSS.4-PS4-1

Which is an example of a vibration?

•  A cat running as fast as it can 
• A light going on and off
• Up and down movement of a motor 

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NGSS.4-PS4-1

Which will make the darkest shadow? Light shining on a...

• sheet of thin tissue paper
• glass window  
• wooden chopping board  
• none of the above

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NGSS.4-PS4-1

What kind of force do louder sounds need?

• Harder and stronger

• Vibrating forceful

• Soft and rhythmic

• Rough and mean

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NGSS.4-PS4-1