111994
| Question | Answer |
| Photon | a light particle, they have no mass like electrons. The shorter the wavelength of the photon, the more energy it has. |
| Photovoltaic Cells | When a photon hits a photovoltaic cell, it excites the electron it hits, and this flow of electrons makes an electric current. |
| Renewable Energy | energy that comes from a natural ongoing process that will continue without harming future generations. |
| Energy | what makes matter move or change. |
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