Grade 7 Sound Revision

Grade 7 Sound Revision

Assessment

Assessment

Created by

Jay Saitavdekar

Physics

7th - 9th Grade

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18 questions

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1.

Multiple Choice

30 sec

1 pt

Sound cannot pass through ____________.

air

vacuum

gas

liquid

2.

Multiple Choice

30 sec

1 pt

The vibrating loudspeaker cone makes the air molecules next to it move _______________.

back and forth

up and down

3.

Multiple Choice

30 sec

1 pt

In sound waves where the air molecules are close together it is called _______________

compression

rarefaction

4.

Multiple Choice

30 sec

1 pt

Sound travel fastest in ___________ and slowest in ____________.

gas, solid

solid gas,

5.

Multiple Choice

30 sec

1 pt

The outer ear is made up of ____________

oval window, auditory nerves

pinna, auditory canal and eardrum

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