Waves, Sound, & Light Review 1

Look at the waves' amplitudes. Which has a higher intensity?

• top wave

• bottom wave

• neither

• they have the same intensity

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The unit of measure for frequency is _____________.

• hertz

• seconds

• m/s

• grams

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The number of waves that pass a given point in a certain amount of time is the _____________ of a wave.

• Frequency

• Lens

• Wavelength

• Rays

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Sound waves have the fastest speed when traveling through a ___.

• solid
• liquid
• gas
• tornado

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What type of wave is pictured here? 

• longitudinal wave
• transverse wave
• light wave
• seismic wave

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Sound waves travel fastest through ___________________.

• a liquid

• a gas

• a solid

• they cannot travel through a medium

Waves with the longest wavelengths have the __ frequencies. 

• lowest
• loudest
• longest
• largest

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If you are at a track meet far from the starting line, you may see the runners start before you hear the starting gun go off. Why?

• because the runners started too soon

• because its hard to see from a distance

• because light travels faster than sound

• because you would see and hear at the same time

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All waves transfer

• energy

• light

• sound

• gamma rays

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________________have wavelengths just shorter than those of visible light. Can damage cells and can cause skin cancer. But they are important for vitamin D production in our skin for healthy bones & teeth.

• Wavelength

• Concave Lens

• Infrared Rays

• Ultraviolet Rays

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