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Unit review - review unit 01 to 03 - lesson 14 - ...
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When Sofia covers fewer air holes with her fingers, it makes the column of air in the recorder ________________ .
higher
shorter
faster
Oops!
Okay!
When Sofia covers more holes with her fingers, it makes the column of air in the recorder become ________________ .
longer
shorter
slower
Oops!
Okay!
This makes the air vibrate ________________ and gives the sound a ________________ pitch.
slower/ lower
shower/ higher
shorter/ higher
Oops!
Okay!
The speed of the air ________________ changes the pitch.
high
low
vibrations
Oops!
Okay!
The pitch can be ________________ or ________________ .
big/ small
high/ low
fast/ low
Oops!
Okay!
This makes the air vibrate ________________ and gives the sound a ________________ pitch.
high/ low
faster/ higher
longer / lower
Oops!
Okay!
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