Focus on Light and Soundwaves

The archer fish is able to see insects above the water's surface. The insect appears to be in a different position than it actually is.Which property of light is demonstrated?

• absorption

• reflection

• refraction

• scattering

Tags

NGSS.MS-PS4-2

For a person who is nearsighted, the eye lens focuses images slightly before they can reach the back of the eye. The diagrams show the nearsighted vision and its optical correction.Which tool is used to correct nearsightedness?

• concave lens

• convex lens

• curved mirror

• plane mirror

A flashlight shines light on a plane mirror as shown in the diagram.Which path will the reflected light travel?

• W

• X

• Y

• Z

Tags

NGSS.MS-PS4-2

What behavior of sound waves causes echoes?

• absorption

• reflection

• refraction

• transmission

Tags

NGSS.MS-PS4-2

An apple is placed in front of a curved mirror.How would the reflected image of the apple look in the curved mirror?

• W

• X

• Y

• Z

An incoming ray of light strikes the surface of a calm pool of water.Which letter indicates the reflected ray of light?

• W

• X

• Y

• Z

Tags

NGSS.MS-PS4-2

Lenses are used in telescopes to magnify images. What shape are the lenses in a typical optical telescope?

• W

• X

• Y

• Z

Arthur keeps a flower vase on the table. He views it through a glass window, and the vase appears the same. When Arthur views the vase through baking parchment paper, he can observe the general shape of the vase, but it appears blurred.

What can best explain the blurring of the vase?

• light is absorbed by the opaque parchment paper

• light is reflected by the opaque parchment paper

• light is refracted by the transparent parchment paper

• light is scattered by the translucent parchment paper

Tags

NGSS.MS-PS4-2

The image shows the behavior of three light rays (1, 2, and 3) as they encounter a surface.Which option correctly identifies the behaviors of the light rays?

• Light ray 1 is absorbed, light ray 2 is refracted, and light ray 3 is reflected.

• Light ray 1 is reflected, light ray 2 is absorbed, and light ray 3 is refracted.

• Light ray 1 is absorbed, light ray 2 is reflected, and light ray 3 is refracted.

• Light ray 1 is refracted, light ray 2 is reflected, and light ray 3 is absorbed.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What occurs when light rays are reflected?

• Light is scattered.

• Light passes through an object.

• Light bounces back.

• Light is separated into different colors.

Tags

NGSS.MS-PS4-2