In the Water section, observe the behavior of water waves as you adjust their frequency and amplitude. What happens to the height of water waves when you increase the amplitude?

• A) The waves become shorter.

• B) The waves become taller.

• C) The waves move faster.

• D) The waves slow down.

Adjust the frequency of the waves and observe how the waves behave. How does increasing the frequency of the waves affect their wavelength in the Water section?

• A) The wavelength increases.

• B) The wavelength decreases.

• C) The wavelength stays the same.

• D) The wavelength becomes zero.

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NGSS.HS-PS4-1

Experiment with different sound sources and observe how the waves behave. What happens to the pitch of a sound when the frequency of the sound waves increases?

• A) The pitch decreases.

• B) The pitch stays the same.

• C) The pitch increases.

• D) The sound disappears.

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NGSS.HS-PS4-1

Observe how the amplitude of a sound wave affects its volume. What happens to the volume of sound when the amplitude is increased?

• A) The volume decreases.

• B) The volume stays the same.

• C) The volume increases.

• D) The sound becomes quieter.

Change the frequency and observe how sound waves behave. When the frequency of a sound wave is decreased, what happens to the wavelength?

• A) The wavelength decreases.

• B) The wavelength increases.

• C) The wavelength stays the same.

• D) The wavelength disappears.

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NGSS.HS-PS4-1

In the Light section, observe the behavior of light waves as you adjust their frequency. What happens to the color of light as the frequency increases?

• A) The color changes to red.

• B) The color changes to blue.

• C) The color remains the same.

• D) The light turns off.

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NGSS.HS-PS4-5

In the Light section, experiment with different light wave frequencies and observe the results. How does increasing the frequency of light affect its energy?

• A) The energy decreases.

• B) The energy stays the same.

• C) The energy increases.

• D) The light turns off.

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NGSS.HS-PS4-1

How does the frequency of a wave affect its energy in general? Explain your reasoning based on your observations in the Water, Sound, and Light sections.

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NGSS.HS-PS4-1

Explain the relationship between the amplitude of a wave and its energy. Use examples from the Sound and Water sections to support your explanation.

What do you think would happen when two waves met?

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NGSS.HS-PS4-1