Light Pretest

Smooth surfaces _______ a lot of light.

• reflect
• bend
• absorb
• twist

Tags

NGSS.MS-PS4-2

What is a prism?

• a transparent object that separates white light
• an opaque object that appears black
• a translucent object

Why do we see objects as white?

• They absorb all light
• They reflect all light
• They absorb some light and reflect some light

Which explains why the fork looks different under water?

• light can't pass through the glass
• the wavelength of light lengthens
• the amount of light increases when going through water
• light is refracted at an angle

Tags

NGSS.MS-PS4-2

Another name for light bending is ....

• Reflaction
• Absorbing
• Refraction
• mirror

If you are wearing a yellow shirt, what is true of the light that strikes it?

• Yellow is absorbed; everything else is reflected
• Yellow is reflected; everything else is absorbed
• All colors are reflected
• All colors are absorbed

Tags

NGSS.MS-PS4-2

If you are wearing a black sweatshirt, what happens to most of the light that strikes the sweatshirt 

• It is absorbed
• It is reflected
• It is transmitted

Tags

NGSS.MS-PS4-2

When a ray of light moves from the air to water it bends due to a change in

• Velocity
• Direction
• Speed

Tags

NGSS.MS-PS4-2

Reflection is

• Light bending
• Light bouncing

Tags

NGSS.MS-PS4-2

Refraction is

• light bending 
• light bouncing

Tags

NGSS.MS-PS4-2