Light Mixing

What colours is white light made from?

• Orange, Green, Pink, Magenta, Peach, Rose, Lemon
• Red, Orange Yellow, Green, Black, Indigo, Violet
• Red, Orange, Yellow, Green, Blue, Indigo, Violet
• Red, Orange, Yellow, Grey, Blue, Indigo, Violet

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

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

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.

Which image correctly shows how a blue filter and a green filter produce coloured light?

• A
• B

Tags

NGSS.MS-PS4-2

What is the correct reason why a blue filter and a green filter produce coloured light?

• The blue filter allows blue light to pass through, the green filter allows green light to pass through, others colours are absorbed. 
• The blue filter reflects blue light, the green filter reflects green light
  , other colours are absorbed. 

Tags

NGSS.MS-PS4-2

Which image correctly shows how a magenta filter and a yellow filter produce coloured light?

• A
• B

Tags

NGSS.MS-PS4-2

What are the correct reasons why a magenta filter and a yellow filter produce coloured light?

• Magenta and yellow filters allow only one wavelength (colour) of light to pass through.
• Magenta and yellow filters allow primary colours of light to pass through. These colours mix to make yellow and magenta.

Tags

NGSS.MS-PS4-2

In the image on the left we see the clothes of a boy under white light. How would the boys clothes look under green light

• A
• B

Tags

NGSS.MS-PS4-2

In the image on the left we see the clothes of a boy under white light. How would the boys clothes look under red light

• A
• B

Tags

NGSS.MS-PS4-2