Sound and Light
Authored by Kathy Harms
Other Sciences
3rd Grade
Used 496+ times
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21 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is refraction?
when light bounces off an object
when light bends
when light draws an object
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How does sound travel?
in only one direction
in waves
it doesn't travel
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pitch is __________________.
how loud or soft a sound is
how high or low a sound is
when sound comes back to you
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The longer the string on an instrument, the _________ the pitch.
lower
higher
softer
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What causes sound?
when the pitch is high
when something vibrates
when the volume is loud
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If I play a long string on a harp, it will probably have a __________ pitch.
echo
low
high
loud
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
My vocal cords ___________ when air passes through them. This allows me to speak.
stop
vibrate
close
open
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