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HIA International — Grade 7

Unit 1: Breathing and respiration

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Unit 2: Dissolving, solubility and chromatography

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Unit 3: Forces, motion and pressure

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Unit 4: Ecosystems

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Unit 5: Atoms, purity and climate

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Unit 6: Light and objects in space

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Unit 7: Nutrition, health and movement

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Unit 8: Energy changes and reactions of metals

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Unit 9: Magnetism and electromagnets

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Quiz

Refraction – Quiz

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Refraction HIA Science quiz: free practice for HIA International. Work through this Refraction HIA Science quiz and get instant feedback on every answer. If you get stuck, review the 15.2 Refraction – Notes lesson. More practice: HIA International — all units. Syllabus: Cambridge Lower Secondary programme.

  • Questions count: 50
  • Passing grade: A-
  • Time limit:
Start Quiz
1.
Which statement correctly describes refraction?
the material that light passes through, such as air, glass or water
300000 kilometres per second
the change in direction of light passing from one medium to another because of a change in speed
the ray after it has changed direction on entering the new medium
2.
Which statement correctly describes medium?
the ray after it has changed direction on entering the new medium
the material that light passes through, such as air, glass or water
the angle between the refracted ray and the normal
changed to be less clear, as a background seen through a glass of water
3.
Which statement correctly describes distorted?
the angle between the refracted ray and the normal
300000 kilometres per second
changed to be less clear, as a background seen through a glass of water
the material that light passes through, such as air, glass or water
4.
Which statement correctly describes transparent?
the material that light passes through, such as air, glass or water
letting light through so you can see through it
changed to be less clear, as a background seen through a glass of water
the ray after it has changed direction on entering the new medium
5.
Which statement correctly describes refracted ray?
the material that light passes through, such as air, glass or water
the angle between the refracted ray and the normal
the ray after it has changed direction on entering the new medium
300000 kilometres per second
6.
Which statement correctly describes angle of refraction?
the angle between the refracted ray and the normal
the ray after it has changed direction on entering the new medium
the material that light passes through, such as air, glass or water
changed to be less clear, as a background seen through a glass of water
7.
Which statement correctly describes speed of light in air?
the ray after it has changed direction on entering the new medium
the material that light passes through, such as air, glass or water
the change in direction of light passing from one medium to another because of a change in speed
300000 kilometres per second
8.
A ray of light enters glass from air at an angle. Why does its direction change?
Its speed changes as it enters the glass
Its colour disappears inside the glass
The glass produces a new ray at random
The ray is completely absorbed at the boundary
9.
A light ray travels from air into glass along the normal. What happens to its direction?
It slows down but continues along the same straight line
It bends through 90 degrees
It travels back along the incident path only
It speeds up and becomes parallel to the surface
10.
A pencil partly submerged in water appears bent at the water surface. Which phenomenon causes this appearance?
Refraction of light
Magnetic attraction
Sound reflection
Electrical resistance
11.
Which term is described as: the change in direction of light passing from one medium to another because of a change in speed?
refraction
medium
distorted
refracted ray
12.
Match the term to its correct meaning: refraction
the change in direction of light passing from one medium to another because of a change in speed
the angle between the refracted ray and the normal
letting light through so you can see through it
the material that light passes through, such as air, glass or water
13.
Which term is described as: the material that light passes through, such as air, glass or water?
medium
angle of refraction
refracted ray
refraction
14.
Match the term to its correct meaning: medium
the angle between the refracted ray and the normal
the material that light passes through, such as air, glass or water
300000 kilometres per second
the change in direction of light passing from one medium to another because of a change in speed
15.
Which term is described as: changed to be less clear, as a background seen through a glass of water?
distorted
medium
transparent
refraction
16.
Match the term to its correct meaning: distorted
the change in direction of light passing from one medium to another because of a change in speed
changed to be less clear, as a background seen through a glass of water
letting light through so you can see through it
the ray after it has changed direction on entering the new medium
17.
Which term is described as: letting light through so you can see through it?
distorted
refraction
transparent
refracted ray
18.
Match the term to its correct meaning: transparent
the ray after it has changed direction on entering the new medium
300000 kilometres per second
the change in direction of light passing from one medium to another because of a change in speed
letting light through so you can see through it
19.
Which term is described as: the ray after it has changed direction on entering the new medium?
distorted
refracted ray
transparent
refraction
20.
Match the term to its correct meaning: refracted ray
letting light through so you can see through it
the ray after it has changed direction on entering the new medium
changed to be less clear, as a background seen through a glass of water
the angle between the refracted ray and the normal
21.
Which term is described as: the angle between the refracted ray and the normal?
refracted ray
transparent
angle of refraction
speed of light in air
22.
Match the term to its correct meaning: angle of refraction
the change in direction of light passing from one medium to another because of a change in speed
300000 kilometres per second
the material that light passes through, such as air, glass or water
the angle between the refracted ray and the normal
23.
Which term is described as: 300000 kilometres per second?
medium
speed of light in air
transparent
distorted
24.
Match the term to its correct meaning: speed of light in air
the ray after it has changed direction on entering the new medium
the change in direction of light passing from one medium to another because of a change in speed
300000 kilometres per second
changed to be less clear, as a background seen through a glass of water
25.
The change of direction of light between two media is called _____.
dispersion
diffusion
reflection
refraction
26.
The material light passes through is called a _____.
prism
spectrum
medium
normal
27.
The speed of light in air is _____ kilometres per second.
3000
3000000
30000
300000
28.
Light passing from air into glass bends _____ the normal.
around
away from
towards
along
29.
Distorted means changed to be less _____.
bright
warm
fast
clear
30.
Light travels more _____ in water than in air.
straight
quickly
slowly
brightly
31.
Refraction is the change in direction of light passing from one medium to another. - True or false?
True
False
32.
Refraction is the bouncing of light off a mirror. - True or false?
True
False
33.
Refraction happens because the speed of light changes between media. - True or false?
True
False
34.
Refraction happens because light gets brighter. - True or false?
True
False
35.
Air, glass and water are each a medium for light. - True or false?
True
False
36.
Only glass counts as a medium for light. - True or false?
True
False
37.
The speed of light in air is 300000 kilometres per second. - True or false?
True
False
38.
The speed of light in air is 300 kilometres per second. - True or false?
True
False
39.
Light travels more slowly in water or glass than in air. - True or false?
True
False
40.
Light travels faster in water or glass than in air. - True or false?
True
False
41.
Light passing from air into glass or water bends towards the normal. - True or false?
True
False
42.
Light passing from air into glass or water bends away from the normal. - True or false?
True
False
43.
Distorted means changed to be less clear. - True or false?
True
False
44.
Distorted means made brighter. - True or false?
True
False
45.
In the roller skate analogy you change direction because one skate slows down first. - True or false?
True
False
46.
In the roller skate analogy you change direction because both skates slow together. - True or false?
True
False
47.
One side of a light ray slows down first, which makes the ray change direction. - True or false?
True
False
48.
Both sides of a light ray slow at exactly the same moment, so it still bends. - True or false?
True
False
49.
A background seen through a glass of water appears distorted because of refraction. - True or false?
True
False
50.
A background seen through a glass of water appears distorted because of reflection. - True or false?
True
False
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Part of Unit 6: Light and objects in space — see every lesson and quiz in this unit.
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