Light-Emitting Diodes (LEDs)
Index
Curriculum Suggestions
Sample Lesson Plan
Light Emitting Diodes Overview
More Information on Light Emitting Diodes
Demonstrations
(1) Electron Flow Within an Energy Band
(2) Changing Conductivity By Adding or Removing Electrons
(3) Investigating Electronic Properties of a p-n Junction
(4) Relationship Between Composition and Wavelength of LEDs
Investigations
(1) What Makes Graphite a Good Conductor?
Teacher Version
Student Version
(2) The Crystal Structure of Light Emitting Diodes
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Student Version
Experiments
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Review Materials
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Student Version