Hi folks,
Today we spent a bunch of time playing with the concept of sound. We saw how sound is created by vibrations. We also created the world's most annoying musical instruments using straws.
I apologize that there is no recording this week. I thought I had turned on the recording thing for the software but apparently I had not. Sorry.
For homework this week.
Read 135 - 153 in the book. Do all the questions on page 151 and 161.
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