Engineering & science
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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.
How To Make A Rainbow - Simple Science Experiments
7 fun science experiments for kids to SEE the sound -- it is hard for kids to understand the concept that sound is wave, these activities make it easier for them to grasp the concept and learn science study skills. Wonderful STEM project ideas for school, home, and homeschool.