Which statement best describes the relationship between the amplitude and the intensity of a wave?

• Higher amplitude waves have lower intensity.

• There is no relationship between amplitude and intensity.

• Higher amplitude waves have higher intensity.

• Lower amplitude waves have higher intensity.

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NGSS.MS-PS4-1

Look at the three waves below. Which wave has the lowest frequency?

• Wave A

• Wave B

• Wave C

• All waves have the same wavelength.

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NGSS.MS-PS4-1

If Wave X has a higher frequency than Wave Y, how does the wavelength of Wave X compare to Wave Y?

• Wave X has a longer wavelength than Wave Y.

• Wave X has a shorter wavelength than Wave Y.

• Wave X has the same wavelength as Wave Y.

• The wavelength cannot be determined from frequency alone.

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NGSS.HS-PS4-1

Which of the following best explains why different colors of light have different wavelengths?

• Colors are perceived differently based on their speed.

• Each color has a different amplitude, which changes its wavelength.

• Different colors correspond to different frequencies, which affect their wavelengths.

• The intensity of light determines its color and wavelength.

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NGSS.HS-PS4-1

Look at the two wave diagrams below. Which wave represents a sound wave at a higher volume?

• Wave A

• Wave B

• Both show the same volume.

• The diagram does not indicate volume.

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NGSS.MS-PS4-1

The diagram below shows a transverse wave across the electromagnetic spectrum. Identify and select two types of waves that have the shortest wavelengths.

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NGSS.MS-PS4-1

Identify how the wavelength of electromagnetic waves influences their energy.

• Shorter wavelengths have higher energy.

• Longer wavelengths have higher energy.

• Wavelength does not affect energy.

• All wavelengths have the same energy.

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NGSS.HS-PS4-1

Why is the electromagnetic spectrum important in understanding wave applications?

• It categorizes different waves based on their danger to humans.

• It helps identify which waves are best for certain technologies.

• It shows which waves are the most colorful.

• It only includes visible light, which is essential for human vision.

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NGSS.MS-PS4-1

NGSS.MS-PS4-2

What makes fiber optics an effective technology for transmitting data over long distances?

• They use high-energy gamma rays that pass through other materials easily.

• They rely on microwaves which have very long wavelengths.

• They use visible light that can be seen by the human eye.

• They transmit data using light waves, minimizing data loss over distances.

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NGSS.MS-PS4-2

Why are X-rays suitable for medical imaging?

• They have high energy that can penetrate through soft tissue but are absorbed by bones.

• They can be easily blocked by soft tissues.

• They are completely absorbed by the skin, making them safe.

• They have long wavelengths that cannot pass through the body.

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NGSS.MS-PS4-2