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Light Energy
| Question | Answer |
|---|---|
| light | A form of energy that can be seen. |
| prism | An object that separates white light into bands of colored light. (It refracts light.) |
| transparent | When light strikes some materials, almost all of the light goes through it. |
| translucent | When light strikes other materials, only some of the light passes through it. |
| opaque | When none of the light that strikes an object gets through the object. |
| refraction | The bending of light as it passes from one material to another. When light goes through glass, water, or clear plastic or when light moves from cold air into warm air. |
| reflection | The term for any wave that hits a surface and bounces off. |
| medium | Substances of different densities through which light energy travels and changes. Like water, glass, plastic, paper, etc... |
| black | Absorbs all white light (collects heat). |
| white | Reflects all white light (reflects heat). |
| color | We see red because an object absorbs all colors but red. We see red because it is the only color being reflected back to our eyes. |
| transmit | to allow light to pass through |
| absorb | light taken in |
| ROYGBIV | visible light includes all the colors of the rainbow but the we only see the colors that are reflected back |
| straight line | light always travels in a______________________ |