Using Color to Enhance LED Lighting Quality

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Description

Students take what they know about materials, optical properties and electrons to the next level—to see how semiconductors can be used to augment light. First, they learn how light-emitting diodes (LEDs) work, which helps them to think critically about a real-world problem they are asked to solve later in the activity as if they are practicing engineers. The challenge: To design an improved LED headlight that lights the roadway without distracting oncoming drivers and passengers with the harsh,

Performance Expectations

HS-PS4-5   Communicate technical information about about how some technological devices use the principles of wave behavior and wave interactions with matter to transmit and capture information and energy.