Unit 6_ Lights
Authored by Thanh Tăng
Science
6th - 8th Grade
Used 2+ times
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24 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
What happen when a light ray reach a plane surface
reflection
refraction
dispersion
spectrum
formation of asteroid
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reflection is when....
a light ray reaches a plane surface and bounces off
a light ray reaches any surface and bounces off
a light ray reaches a plane surface and changes direction
a light ray reaches any surface and changes direction
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Refraction is when....
a light ray reaches a plane surface and bounces off
a light ray reaches any surface and bounces off
a light ray reaches a plane surface and changes direction
a light ray reaches any surface and changes direction
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What causes refraction of light?
the change of speed of light
the change of colour of light
the change of direction of light
all of the answers are incorrect
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is medium?
The material light passes through is medium.
The material that light can't passes through
The material that prevent light from passing through
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Compare the speed of light in water and the speed of light in air
the speed of light in water < the speed of light in air
the speed of light in water > the speed of light in air
the speed of light in water = the speed of light in air
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Compare the speed of light in water and the speed of light in glass
the speed of light in glass < the speed of light in water
the speed of light in glass > the speed of light in water
the speed of light in glass = the speed of light in water
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