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Light Interactions

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This lesson is an introduction to a unit on the light and transverse waves. It can be utilized during a unit or at the beginning as an exploration. Students measure the speed of light in a medium (gelatin) by using an inexpensive laser such as a laser pointer or a laser level. 


 

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Grades: 4th Grade
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This lesson is PART 4 of a four-lesson unit, which focuses on futures thinking, the phenomenon of electricity, closed-system agriculture, and water as a renewable energy resource. “The City of Ember”