Light and Color

Which images are opaque?

• A & C

• A,C,E, & F

• D, E, & F

• A & E

Tags

NGSS.MS-PS4-2

What type of wave is light?

• electromagnetic

• mechanical

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Why does a banana look yellow?

• it reflects yellow wavelengths of light and absorbs most other wavelengths

• it absorbs yellow wavelengths of light and reflects most other wavelengths

Tags

NGSS.MS-PS4-2

what is the correct order of the visible light spectrum?

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

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

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

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

When you see the color black...

• All colors are reflecting

• All colors are absorbed

• The color blacl is reflecting

• the color black is absorbed

Tags

NGSS.MS-PS4-2

White when

• the color white reflects

• the color black is absorbed

• all colors are reflected

• no colors are reflected

Materials such as wood and metal do not let light travel through them. We cannot see them at all. They are said to be ______________.

• invisible
• opaque
• translucent
• transparent

Tags

NGSS.MS-PS4-2

What happens to light when it strikes an opaque surface?

• the light passes through with no change
• the light is refracted back and separated into colors
• the light curves around the opaque surface entirely
• the light does not pass through the opaque surface

Tags

NGSS.MS-PS4-2

When a pencil is put into a glass of water, it appears to be broken? Why does the pencil look broken?

• because the shiny glass reflects light
• because the water separates light into many colors
• because the part of the pencil outside the water casts a shadow
• because light rays are bent when they pass from air into water

Tags

NGSS.MS-PS4-2

black circle, allows light to enter the eye

• iris

• pupil

• optic nerve

• retina