Reflections

Lasers produce a beam of light that can be focused on a small area. Ms. D uses two to shine a beam of light from a laser onto a box. Which diagram shows how she should position the two mirrors?

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NGSS.MS-PS4-2

When light strikes a mirror, the mirror causes it to __________ or bounce off at the same angle the light hit the surface.

• absorb

• destroy

• reflect

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NGSS.MS-PS4-2

When light strikes an object, it _________ all colors of light except the one that is reflected to our eyes.

• absorbs

• reflects

• destroys

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NGSS.MS-PS4-2

An object can be seen when light -

• passes completely through the object without stopping.

• reflected from the object reaches the eye.

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NGSS.MS-PS4-2

This illustration shows the relative positions of a light source, an apple, a piece of paper, and a person. Which of the following best explains why the person shown is not able to see the apple?

• Light cannot reach the apple to reflect off of its surface.

• The light reflected off of the apple cannot reach the person’s eyes.

Tags

NGSS.4-PS4-2

Reflections in __________ mirrors are very clear because of the smoothness and shininess of the surface

• bumpy

• flat

• round

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NGSS.MS-PS4-2

True or False: The type of surface affects reflection.

• true

• false

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NGSS.MS-PS4-2

Which of the following best describes the law of reflection?

• The angle of incidence is equal to the angle of reflection.

• The angle of incidence is greater than the angle of reflection.

• The angle of incidence is less than the angle of reflection.

• The angle of incidence is unrelated to the angle of reflection.

Tags

NGSS.MS-PS4-2

What type of mirror is used in a periscope to reflect light?

• Concave mirror

• Convex mirror

• Plane mirror

• Spherical mirror

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NGSS.MS-PS4-2

When light reflects off a surface, which of the following occurs?

• The light changes color.

• The light bends.

• The light bounces off at the same angle it hit the surface.

• The light is absorbed.

Tags

NGSS.MS-PS4-2