Unit 14 Science Fusion Light and Sound

What is a disturbance that transmits energy

• wave

• vibration

• amplitude

• electromagnetic spectrum

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Sound travels FASTEST through which of these materials?

• Air
• Empty space
• Metal
• Water

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Sound is caused by? 

• force
• vibrations
• instruments

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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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Sound is a form of? 

• energy
• pitch
• volume

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Measure of how high or low a sound is

• amplitude
• compression
• speed of sound
• pitch

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Why is sound able to travel faster through a solid than a gas?

• Gas molecules are packed tightly.
• Sound does not travel faster through a solid than a gas.
• Solid molecules are packed tightly.
• Gas molecules move slowly.

What is volume?

• how high or low a sound is
• the loudness or softness of a sound
• the number of vibrations per second
• vibrations

What medium does sound travel through slowest?

• gas
• solid
• liquid
• trees

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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.