Light Mixing

Red, orange, yellow, green, blue, and violet are known as:

• the visible light spectrum

• the invisible light spectrum

• the imaginary light spectrum

• the visual light spectrum

A prism splits white light into different _______.

• substances

• colours

• angles

• shadows

Primary colors of light can combine to make

• black light
• white light
• primary pigments
• ultraviolet light

What are the three primary colours of light?

• Red,Yellow,Blue
• Red,Green,Yellow
• Red,Green,Blue
• Yellow,Blue,Green

An object appears red because it

• reflects light waves of all colors
• reflects light waves of red
• absorbs light waves of red
• transmits light waves of all colors

Tags

NGSS.MS-PS4-2

What are the actual colors of the rainbow?

• ROYGVIB
• ROYGBV
• ROYGBIV
• ROYGCB

Which pair of colours do NOT combine to make the correct secondary colours?

• Red + Blue = Magenta
• Blue + Green = Yellow
• Blue + Green = Cyan
• Red + Green = Yellow

Which is true of a green grape?

• It absorbs green light.
• It absorbs white light.
• It reflects green light.
• It reflects white light.

Tags

NGSS.MS-PS4-2

Which image correctly shows how light would interact with the t-shirt and shorts?

• A
• B
• C
• D

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Why does this the t-shirt appear red and the shorts appear blue?

• The t-shirt reflects red light, the shorts reflect green light, other colours are absorbed.
• The t-shirt reflects blue light, the shorts reflect red light, other colours are absorbed.
• The t-shirt reflects red light, the shorts absorb yellow light, all other colours are reflected
• The t-shirt reflects red light, the shorts reflect blue light, other colours are absorbed.

Tags

NGSS.MS-PS4-1