Why does the straw appear to be bent?

• light is reflected

• light is absorbed

• light is turned

• light is refracted

Tags

NGSS.MS-PS4-2

What do we call a material that light can travel through?

• air

• water

• medium

• pathway

Tags

NGSS.MS-PS4-2

What is a repeating disturbance or vibration that transfers or moves energy from place to place?  

• Medium
• Wave
• Compression
• Rarefaction

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

The illustration shows a light ray striking an object.
In the illustration, the light ray striking the object is-

• absorbed
• stopped
• reflected
• refracted

Tags

NGSS.MS-PS4-2

Why does the lower part of the child appear so much different in size from the upper part?

• The light rays that travel through water and then into air are refracted.
• The light rays that travel through water and then into air are enlarged.
• The light rays that travel through air and then into water are reflected.
• The light rays that travel through air and then into water are reduced.

What is the angle of reflection equal to?

• The angle of refraction

• The angle of incidence

• The angle of absorption

• The angle of light

Tags

NGSS.MS-PS4-2

According to the Law of reflection, a light ray striking a mirror

• continues moving through the mirror in the same direction
• moves into the mirror at a slightly different angle
• bounces off the mirror toward the direction it came from
• bounces off the mirror at the same angle it hits.

Tags

NGSS.MS-PS4-2

Light bending as it passes through a rain drop is an example of...

• Refraction
• Reflection

Tags

NGSS.MS-PS4-2

A light ray is incident from water to air. Which of the refracted rays is correct?

• A

• B

• C

• D

Tags

NGSS.MS-PS4-2

A ray of light travels from air into a glass block.

Which diagram correctly shows the path of the ray through the glass block?

• A

• B

• C

• D

Tags

NGSS.MS-PS4-2