Light Waves & Medium Changes

What is being transferred with a wave?

• medium

• energy

• matter

• Chicken

Tags

NGSS.MS-PS4-1

What is the wavelength?

• length between crest to crest or trough to trough

• the height of a wave

• how fast the wave goes

• the amount of times a wave passes through a certain point

What is the visible light spectrum in order?

• red, orange, yellow, green, blue, indigo, violet

• orange, blue, green, yellow, red, violet, indigo

• red, green blue, orange, violet, yellow, indigo

• McDonald's is gross

which material does sound travel the fastest?

• solid 
• liquid 
• gases

Tags

NGSS.MS-PS4-2

Which of the following can sound travel through?

• solid
• liquid
• gas
• all of the above

Tags

NGSS.MS-PS4-2

A mechanical wave cannot travel through...

• a vacuum(empty space).
• water.
• air. 
• glass.

Tags

NGSS.MS-PS4-2

Without matter, sound waves could not travel.

• True
• False

When light passes from one transparent medium to another, it changes speed. When light changes speed, it changes direction. This change of direction, or bending, is called refraction.
 True or false

• True
• False

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.4-PS4-1

NGSS.4-PS4-2

What does opaque mean?

• You cannot see through it, the light is absorbed.
• You can see through it, light is transmitted.
• You can see through it a little, the light is transmitted but it is scattered.