NGSS.MS-PS4-2

What is a medium?

• How fast the wave can move.
• The range of electromagnetic waves above red in the visible spectrum.
• A disruption in the connections of matter
• The substance a wave moves through.

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NGSS.MS-PS4-2

If an object appears white, this means all 7 colors of the visible light spectrum are _____

• reflected
• abosrbed
• diffracted
• refracted

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NGSS.MS-PS4-2

A reflected sound wave

• frequency
• pitch
• echo
• rarefaction

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NGSS.MS-PS4-2

What is causing you to be able to see two sets of mountains in this picture? 

• refraction of light
• reflection of light
• transmission of light
• absorption of light

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NGSS.MS-PS4-2

Sound travels fastest through what type of medium?

• pond water
• cold air
• iced tea
• wooden desk

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NGSS.MS-PS4-2

When light bounces off a smooth surface, this is known as which of the following?

• reflection
• refraction
• absorption
• deflection

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NGSS.MS-PS4-2

Which type of interaction is this?

• reflection

• refraction

• diffraction

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NGSS.MS-PS4-2

How are we able to perceive an object as being the color yellow?

• All colors of visible light are absorbed by an object and then yellow light is reflected into our eye.

• All colors of visible light are transmitted to an object, but only yellow light is absorbed by the object.

• All colors of visible light are transmitted to an object, but only yellow light is reflected to our eye by the object.

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NGSS.MS-PS4-2

Which best explains the behavior of light in this prism?

• The light waves refracted because they changed speed when it entered a different medium

• The light waves refracted because they changed shape when they entered a different medium

• The light waves reflected because they changed speed when it entered a different medium

• The light waves reflected because they changed shape when they entered a different medium

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NGSS.MS-PS4-2

Which light interaction is involved in this technology?

• Reflection

• Refraction

• Diffraction

• Interference

• Scattering

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NGSS.MS-PS4-2