How Does Light Reflect?

How does a mirror work?

• It is opaque.

• It reflects light.

• It refracts light.

• It is translucent.

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NGSS.MS-PS4-2

Rainbows appear in the sky because raindrops are like which object?

• a lens

• a prism

• a glass

• a mirror

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NGSS.MS-PS4-2

The image in a mirror is different from the original subject in what way?

• The image is reversed.

• The image is slightly blurry.

• The image is always smaller than the original subject.

• The image is less bright than the original subject.

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NGSS.MS-PS4-2

Why does a curved mirror create a distorted image?

• Curved mirrors reflect less light.

• Human eyes cannot see curved light.

• Not all of the reflected light is directed toward the eyes.

• Some light slides along the glass, and some light bounces off the glass.

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NGSS.MS-PS4-2

Why does a ripe banana appear yellow?

• The light diffracts as it passes around the edges of the banana, causing its surface to appear yellow.

• The yellow light is stronger than any other light, causing the human eye to see the banana as yellow.

• The yellow light is reflected toward the eye while all other colors of light are absorbed by the banana.

• All other colors of light are reflected from the banana's surface, but the yellow light stays in the banana.

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NGSS.MS-PS4-2

The sun gives off light energy. The moon does not give off light. Explain how we are able to see the moon.

Answer explanation

Light from the sun is reflected off the moon into our eyes.

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NGSS.MS-ESS1-1

A boy is using a periscope to look at his mother from behind a counter. Without the periscope he could not see her. The diagram shows how the periscope works. Explain why the boy would not be able to see his mother without the periscope.

Explain how the periscope works to allow the boy to see his mother.

Answer explanation

The counter blocks the light from the mother from reaching the boy’s eyes. The light coming

off the mother is reflected off the two mirrors. The mother’s image is reflected off the two

mirrors and then to the boy’s eye.

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NGSS.4-PS4-2