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Physical Science 4th Quarter 21 - 30
Test Description: Physical Science, 4th Quarter, 21 - 30
Instructions: Answer all questions to get your test result.
1) Wavelength is a measure of:
A
bottom of the wave to the top
B
from one point on the wave to the next, after one cycle
C
how long the wave is
2) If a light wave strikes a mirror at 40 degrees, the light wave reflection will be:
A
30 degrees
B
40 degrees
C
15 degrees
3) Refraction is when a light wave seems to:
A
drop into the water and sink like a rock
B
bend as it goes through water
C
bounce off of the water
4) If a light wave strikes a mirror at 20 degrees and bounces off at 20 degrees, this is called:
A
reflection
B
absoprtion
C
cooling
5) Compression is when the sound waves are:
A
nonexistant
B
packed loosely
C
packed tightly together
6) Visible light makes up how much of the electromagnetic spectrum?
A
it has nothing to do with it
B
a small part
C
a huge part
7) Radio waves have the longest wavelengths. This means that they:
A
are faster
B
have decreased frequencies
C
have more radiation
8) The more you wrap a nail with copper wire and power, the electromagnetic energy produced will:
A
increase
B
make no difference
C
decrease
9) How do blue light waves differ from red light waves?
A
they are prettier
B
they match your shirt better
C
blue light waves have a shorter wavelength
10) Sound travels fastest through:
A
air
B
a vacuum
C
a dense solid
*select an answer for all questions
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