Teaching sound and waves in your classroom? This machine is super cool, easy, and cheap to make! See how wave energy travels down the machine. Study reflection, wavelength, and frequency. This is just one of the activities we do in our middle school science classroom. Click for free instructions. #scienceclassroom
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Teaching sound and waves in your classroom? This machine is super cool, easy, and cheap to make! See how wave energy travels down the machine. Study reflection, wavelength, and frequency. This is just one of the activities we do in our middle school science classroom. Click for free instructions. #scienceclassroom



Teaching sound and waves in your classroom? This machine is super cool, easy, and cheap to make! See how wave energy travels down the machine. Study reflection, wavelength, and frequency. This is just one of the activities we do in our middle school science classroom. Click for free instructions.

Teaching sound and waves in your classroom? This machine is super cool, easy, and cheap to make! See how wave energy travels down the machine. Study reflection, wavelength, and frequency. This is just one of the activities we do in our middle school science classroom. Click for free instructions.

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