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Physical Science-Light And Sound
Test Description: Try your hand at these questions on light energy.
Instructions: Answer all questions to get your test result.
1) How does sound travel?
A
on a train
B
through a vacuum in space
C
in waves
D
in a straight line
2) What is the bending of light called?
A
light reflection
B
sound refraction
C
light refraction
D
sound reflection
3) What is happeneing when you hear an echo?
A
light reflection
B
sound refraction
C
light refraction
D
sound reflection
4) Sound is produced by
A
vibrations
B
light
C
reflection
D
echos
5) How fast or slow the vibrations are is called
A
pitch
B
volume
C
reflection
D
echo
6) What state of matter can you hear a sound loudest through?
A
gas
B
plasma
C
liquid
D
solid
7) What is the best material for sound absorption?
A
metal
B
water
C
wood
D
fabric
8) A frosted bathroom window is an example of
A
a translucent object
B
a transparent object
C
refraction
D
an opaque object
9) How does light travel?
A
in vibrations in all directions
B
in a straight line in all directions
C
in waves in one direction
D
in vibrations in one direction
10) Which is not an example of refraction?
A
a pencil in a cup
B
a rainbow
C
a penny in a pool
D
light bouncing off a mirror
*select an answer for all questions
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