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Colour, prisms and refraction

7th grade (Year 8 in England) · 11 questions · Common Core: NGSS.MS-PS4-2 · England: KS3 Physics: Waves (light waves), KS4 Combined Science: Light and electromagnetic waves

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1
Question 1
What colour does a white T-shirt look under only red light?
- A. blue
- B. green
- C. white
- D. red
2
Question 2
Colour and light: which statement is NOT true?
- A. Black objects absorb most of the light that falls on them.
- B. White light is a mixture of colours.
- C. A red filter lets red light through and absorbs other colours.
- D. White objects absorb all colours.
3
Question 3
Why does a red apple look red in white light?
- A. It absorbs red light
- B. It reflects all colours
- C. It reflects red light and absorbs the other colours
- D. It makes red light
4
Question 4
Colour and light: which statement is NOT true?
- A. White light is a mixture of colours.
- B. White objects absorb all colours.
- C. Light slows down when it enters glass or water.
- D. A red filter lets red light through and absorbs other colours.
5
Question 5
A pencil in a glass of water looks bent. Why?
- A. The glass is curved
- B. Light reflects off the water
- C. The water bends the pencil
- D. Light refracts (changes direction) as it passes from water to air
6
Question 6
Colour and light: which statement is NOT true?
- A. A red filter lets red light through and absorbs other colours.
- B. A red filter turns white light red by adding red.
- C. Light slows down when it enters glass or water.
- D. Black objects absorb most of the light that falls on them.
7
Question 7
A pencil in a glass of water looks bent. Why?
- A. Light reflects off the water
- B. The glass is curved
- C. The water bends the pencil
- D. Light refracts (changes direction) as it passes from water to air
8
Question 8
Colour and light: which statement is NOT true?
- A. A red filter lets red light through and absorbs other colours.
- B. Light travels at the same speed in glass as in air.
- C. Black objects absorb most of the light that falls on them.
- D. White light is a mixture of colours.
9
Question 9
Why does a red apple look red in white light?
- A. It reflects all colours
- B. It absorbs red light
- C. It reflects red light and absorbs the other colours
- D. It makes red light
10
Question 10
Colour and light: which statement is NOT true?
- A. White light is a mixture of colours.
- B. Black objects absorb most of the light that falls on them.
- C. White objects absorb all colours.
- D. A red filter lets red light through and absorbs other colours.
11
Question 11
A pencil in a glass of water looks bent. Why?
- A. The glass is curved
- B. The water bends the pencil
- C. Light refracts (changes direction) as it passes from water to air
- D. Light reflects off the water

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