Light and Waves

Light travels in straight lines called:

Match the following rays to their description:

• Parallel

• Move closer together

• Converging

• Move away from each other

• Diverging

• Do not meet each other

Tags

NGSS.MS-PS4-2

What do we need light for?

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Refraction is:

• The change in frequency of light.

• The change in the speed of light.

• When light disappears from an object.

• When an object cannot reflect light.

Tags

NGSS.MS-PS4-2

Refraction may cause objects to: (There are multiple correct answers.)

• Bend.

• Break.

• Look bent or changed.

• Look bigger or smaller.

Tags

NGSS.MS-PS4-2

A concave lens will make light rays

• diverge

• converge

• disappear

• change colour

Tags

NGSS.MS-PS4-2

A convex lens will make light rays

When someone is long sighted the incoming light rays focus ______ the retina.

Tags

NGSS.MS-PS4-2

When someone is short sighted, the incoming light rays focus ______ the retina.

When someone has normal sight, the light rays are incident on the retina the image becomes:

• Inverted

• Blurred