Light Test

Prescription glasses have medicine in them that help you see.

• True

• False

A lens is a curved piece of (a)   that can focus light.

In order to see an object light must first touch

• Your eyes

• A mirror

• Glass

• That object

Tags

NGSS.MS-PS4-2

This diagram best represents 

• reflection
• refraction
• absorption
• diffusion

Tags

NGSS.MS-PS4-2

Tanner placed a pencil in a cup of water.  The pencil appears broken because light-

• always travels in a straight line
• bends when it passes through water
• makes the water in the glass evaporate
• reflects the pencil on the water's surface

Tags

8.PS4.2

How does light travel

• It curves around corners
• Really slow
• In a straight line
• In circles

What can you see in a room that has no visible light?

• Only bright colored objects
• Only dark colored objects
• Only white objects
• Nothing at all

In a study to determine whether how long a student sleeps affects test scores, the dependent variable is ______________.

• the test score

• the amount of sleep

What might happen if the lens of your eye became damaged?

• Your eyes wouldn't be able to focus properly.

• You wouldn't be able to see in color.

• You wouldn't be able to see at night.

• All the images you saw would be upside-down.

Tags

NGSS.MS-LS1-8

Distant objects are blurry, nearby objects are clear.

• Nearsightedness

• Farsightedness

• Astigmatism

• Optical Illusion