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WorksheetsLight Review
Total questions: 25
Worksheet time: 13mins
What is the first step of the scientific method?
Experiment
Observation
Data
Prediction
What colour is being reflected by the apple?
Blue
Red
Green
Purple
What is not a primary colour?
Red
Blue
Yellow
Green
What is refraction?
The colours of light
The bending of light
The speed of light
The bouncing of light
What secondary colour do blue and red make?
Purple
Cyan
Yellow
Magenta
Are sunglasses transparent, translucent or opaque?
Transparent
Translucent
Opaquee
What colours make white light?
The primary colours only
The secondary colours only
None of them
All of them
What is the angle of refraction for the critical angle?
45°
12°
75°
90°
How does light travel in a vacuum?
In a circle
In a straight line
Randomly
It does not move
Why are black objects black?
They reflect all the colours
They absorb all the colours
They do not let light pass through them
They let all light pass through them
What is not a luminous object?
Flashlight
The sun
Books
Fire
In the Law of Reflection, the angle of incidence is _________ the angle of reflection.
Less than
Greater than
Equal to
What is the angle called between the reflected ray and the normal?
The angle of incidence
The angle of refraction
The angle of reflection
The angle of light
Transparent materials...
...let all light pass through them.
...let no light pass through them.
...let some light pass through them.
What does non-luminous mean?
An object that is black
An object that gives out light
An object that does not give out light
An object that burns
If the angle of incidence is 20°, then the angle of reflection will be...
20°
40°
60°
90°
When light moves from a less dense to a more dense medium it...
...gets faster
...stops moving
....gets slower
What is a hypothesis?
An experiment
The graph you make at the end of an experiment
A guess about the answer to a question
An observation about the world
When light moves from a less dense medium to a more dense medium, it bends towards the normal. True or false?
True
False
What is the most dense medium?
Air
Water
Glass
Oil
Are books transparent, translucent or opaque?
Transparent
Translucent
Opaque
What happens to the refracted ray when it passes from a more dense medium to a less dense medium?
It bends towards the normal.
It bends away from the normal.
It stays in a straight line.
What is the correct order of the colours in the spectrum?
Red, orange, blue, yellow, green, indigo, violet
Violet, blue, green, yellow, orange, indigo, red
Orange, green, red, blue, indigo, yellow, violet
Red, orange, yellow, green, blue, indigo, violet
What is the least dense medium?
Air
Water
Glass
Oil
The sun is...
Luminous
Non-luminous
