What is a wave?

• A sudden movement

• A disturbance that transfers energy through matter or space

• A type of particle

• A stationary object

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NGSS.MS-PS4-1

NGSS.MS-PS4-2

Which of the following properties of a wave is measured in meters (m)?

• Amplitude

• Wavelength

• Frequency

• Speed

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NGSS.HS-PS4-1

What does the term "frequency" of a wave refer to?

• The height of a wave from its midpoint to its peak or trough

• The distance between one point on a wave and the same point on the next cycle of the wave

• The number of waves that pass a given point in one second

• The speed at which a wave travels

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NGSS.HS-PS4-1

Which of the following statements best describes the relationship between wavelength and frequency?

• They are inversely proportional

• They are directly proportional

• They are unrelated

• Wavelength is dependent on frequency

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NGSS.HS-PS4-1

What unit is frequency typically measured in?

• Meters (m)

• Hertz (Hz)

• Newtons (N)

• Watts (W)

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NGSS.MS-PS4-1

Which of the following statements best describes the Doppler Effect?

• It causes waves to bend around obstacles

• It changes the color of light waves

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NGSS.HS-PS4-1

When a sound source is moving towards you, what happens to the pitch of the sound you hear due to the Doppler Effect?

• It increases

• It decreases

• It remains the same

• It becomes louder

In the Electromagnetic Spectrum, which color of light has the longest wavelength?

• Red

• Green

• Blue

• Violet

What is the relationship between the frequency and energy of electromagnetic waves?

• They are inversely proportional

• They are directly proportional

• They are unrelated

• Frequency affects amplitude, not energy

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NGSS.MS-PS4-1

What are the three primary colors of light?