5.3 Light

Students place a pencil in a glass of water as shown. The pencil in the water looks broken because —

• water can dissolve pencils
• water is colder than air
• light bends when it enters the water
• light is absorbed when it hits the glass

Tags

NGSS.MS-PS4-2

Which explains why the fork looks different under water?

• Light is refracted at an angle.
• The wavelength of light lengthens
• Light cannot pass through the glass.
• The amount of light increases when going through water.

Tags

NGSS.MS-PS4-2

Which of these correctly shows how light acts when it hits a mirror?

• F
• G
• H
• J

Tags

NGSS.MS-PS4-2

The flower’s stem appears larger under water because the water —

• absorbs light
• produces light
• repels light
• refracts light

Tags

NGSS.MS-PS4-2

A shiny aluminum screen can be placed on the windshield of a parked car. This screen helps to keep the car cool because it —

• reflects the sunlight
• absorbs heat
• causes evaporation
• conducts electricity

Tags

NGSS.MS-PS4-2

NGSS.MS-PS3-3

Which diagram shows a wave with the highest frequency? 

• A
• B
• C
• D

Tags

NGSS.MS-PS4-1

Which number on the diagram shows the wavelength?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS4-1

Which of the following materials is transparent?

• Clear window glass
• Your eyelids 
• Solid wood door
• White paper

Tags

NGSS.MS-PS4-2

Which part of an automobile is transparent?

• Door Handle
• Side Mirror
• Hubcap
• Windshield

Which tool is used to separate white light into the color spectrum?

• A
• B
• C
• D