Revision - wind instruments
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Revision - wind instruments
04.02.2020
08:30:17
Science/grade 4- Today’s topic for revision- wind instruments- learner’s book- pages 68 and 69.
Main points-
The longer the column of air is , the lower the pitch of the sound.
The pipe of a wind instrument traps air.
Blowing across the top of the pipe makes the air vibrate, which makes a sound.
No homework
08:30:17
Science/grade 4- Today’s topic for revision- wind instruments- learner’s book- pages 68 and 69.
Main points-
The longer the column of air is , the lower the pitch of the sound.
The pipe of a wind instrument traps air.
Blowing across the top of the pipe makes the air vibrate, which makes a sound.
No homework
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تاريخ التسجيل : 15/09/2018
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