Wavs and Sound Unit Review

Sound is a form of:

• energy

• pitch

• volume

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Sound is produced when something ______________

• Vibrates
• Moves through empty space

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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Jessica has a jar with a ringing bell in it. She is going to turn on a vacuum pump to get rid of all the air inside of the jar. Will the sound of the bell still be able to get to Jessia’s ears?

• The sound of the bell won’t be able to get to Jessica’s ears, because it won’t go through empty space.

• Yes because the sound can bounce off of the glass.

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What is something natural that sound cannot travel through?

• Water

• Air

• Liquids

• outer Space

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The measure of how high or low a sound(not how quiet or loud) is

• amplitude

• compression

• volume

• pitch

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The term for how loud or soft a sound is:

• pitch
• volume
• sound
• medium

When Mr. Allen 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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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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When someone or something makes a sound in the room, how are the sound waves different from the ripples on a pond?

• Sound waves are different from ripples on a pond, because sound waves travel through the light.

• Sound waves are different from ripples on a pond, because sound waves travel through air.