Curated OER
Design an Instrument
Students design an instrument. In this sound, vibration and pitch lesson plan, students learn about the characteristics of sound, vibration and pitch. Students design a guitar using the assembled craft materials and demonstrate how...
Curated OER
Harnessing the Wind for Electricity
Ninth graders explain how wind can produce electricity. In this geometry instructional activity, 9th graders construct their own pin wheel turbine and calculate its power. They discuss the pros and cons of using wind generator.