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2. Photo-Electric Effect |
| Light exhibits particle-like behavior, like the Photo-Electric Effect, allowing solar cells to work |
| Board Explanation and explanation of Duality with coin analogy |
| The message is the dual nature of light. When a gaseous element is raised to a high temperature, the atoms emit radiation having discreet wavelengths. The set of wavelengths for a given element is called its atomic spectrum. Einstein showed us that light can be described not only as a wave, like a water wave, but also as a particle. This understanding of light allowed us to understand why different elements have different fingerprint patterns of light known as spectra. |
| 5 minutes |
| 3rd – 3; 4th – 1, 3; 8th – 11 |
1. Light Diffraction
2. Photo-Electric Effect
3. Photo-Electric Effect in Action
4. General Relativity
5. Speed of Light
6. Color Mixing
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| Download
Teacher Guide (PDF 4.5 MB) |
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