Waves and Light

Look at this illustration of a wave.

• Point W is a trough; Point Y is a crest

• Point Y is a trough; Point W is a crest

• Point Y is a trough, Point X is a crest

• Point W is a trough; Point Z is a crest

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NGSS.MS-PS4-1

Wave cycles in a given unit of time is called

• wavelength

• wave speed

• amplitude

• frequency

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NGSS.HS-PS4-1

Light is a form of 

• energy
• radiation
• reflection

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What three things may happen to light that strikes an object? 

• The light may be reflected, transmitted or absorbed.
• The light may be reflected and refracted.
• The light may be absorbed and transmitted.

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NGSS.MS-PS4-2

Light bounces when it is 

• reflected
• absorbed
• refracted

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Light bends when it is 

• refracted
• reflected
• absorbed

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A _______ is a repeating pattern of motion that transfers energy from one place to another.

• wavelength
• wave
• frequency
• light

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NGSS.HS-PS4-1

The height of the wave from its resting point is called its ___________.

• frequency
• wavelength
• amplitude
• sequence

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Based on the picture, choose the best description of how wavelength and frequency are related.

• As wavelength increases, frequency increases

• As frequency increases, wavelength decreases

• As frequency increases, wavelength remains the same

• Frequency and wavelength mean the same thing

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NGSS.HS-PS4-1

To calculate the frequency of an electromagnetic wave, you need to know the speed of the wave and its .

• wavelength.

• intensity.

• refraction.

• amplitude.

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