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Sound and Light
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TRUE or FALSE. Sound can travel in space.
FALSE
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Give 2 uses of the Sun's energy.
answers may vary
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Give 1 similarity of sound and light.
both of them carry energy
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A sound wave is made of ___________ and _________.
compressions and rarefactions
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What do you call the substance through which waves travel?
medium/media
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What is vibration?
is a back and forth motion of particles
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Which regions are rarefactions?
A and C
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What are these?
solar cells
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Give 1 difference of sound and light.
sound cannot travel in space but light can
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Can light travels in space?
YES!
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Which regions are compressions?
B and D
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TRUE or FALSE. Light cannot transfer energy only sound can.
FALSE
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Sound is a type of ___________ energy.
kinetic
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Which medium does sound wave travel the fastest?
gas
solid
liquid
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TRUE or FALSE. Sound waves need a medium to travel.
TRUE
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TRUE or FALSE. All sound begins with a media.
False. All sound begins with vibration.
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_____________ is a back and forth motion
vibration
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_____________ is a device that uses light from the sun to produce electricity.
solar cell
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Which medium does sound wave travel the slowest?
liquid
gas
solid
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Light is an ______________ wave.
electromagnetic
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