Daily question: Define rarefraction and compression. Draw a picture and label each.
Daily questions, brainbusters, warm-ups, whatever you call it, the first few minutes of class sets the tone for the rest of the day. Here you will find popular video clips on a variety of topics, all intended to get your students excited about science.
Monday, March 25, 2013
Sound waves and fire
Although this is a little advanced for most middle schoolers, the idea of sound traveling in longitudinal waves is beautifully displayed using fire and music. He mentions rarefaction and compression in the first couple of minutes. After that it gets complicated quickly.
Daily question: Define rarefraction and compression. Draw a picture and label each.
Daily question: Define rarefraction and compression. Draw a picture and label each.
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