Grade 7 Sound Revision
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Assessment
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Jay Saitavdekar
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Physics
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7th - 9th Grade
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678 plays
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Medium
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18 questions
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1.
Multiple Choice
Sound cannot pass through ____________.
air
vacuum
gas
liquid
2.
Multiple Choice
The vibrating loudspeaker cone makes the air molecules next to it move _______________.
back and forth
up and down
3.
Multiple Choice
In sound waves where the air molecules are close together it is called _______________
compression
rarefaction
4.
Multiple Choice
Sound travel fastest in ___________ and slowest in ____________.
gas, solid
solid gas,
5.
Multiple Choice
The outer ear is made up of ____________
oval window, auditory nerves
pinna, auditory canal and eardrum
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