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Casteel Light 2
Light
| Term | Definition |
|---|---|
| energy | Light is a form of ________________. |
| transverse | Light travels in _____________ waves. |
| Light waves | Light waves can be absorbed. |
| trough | The low point of a wave is the _______________. |
| crest | The high point is the _______________. |
| space | Light waves can move through ________ unlike sound waves. |
| straight | Light travels in ________________ lines. |
| Visible | ____________ light is light the human eye can see. |
| color | Although light waves are very small, human eyes can tell them apart. Therefore, humans can see __________________. |
| ROY G BIV | Least refracted to most refracted and longest to shortest wavelength |
| prism | When white light shines through a ____________, it is refracted. |
| black | When a material absorbs all visible light and no light is reflected back, then __________ is seen. |
| white | When all colors of the visible spectrum are combined, ___________ light is produced. |
| transparent | light can pass through easily Examples: clear glass, glasses lens, windshield, magnifying glass |
| translucent | an object that allows some, but not all light to pass through Examples: sunglass lenses, wax paper, frosted glass, stained glass windows, shower door, lampshade, thin curtains, tissue paper |
| opaque | does not allow light to pass through at all |
| reflected | When light waves hit an object such as a smooth glass mirror, they will be ____________________. |
| reflecting | Light bouncing off an object is called ________________. |
| refracts | When light passes through water, it ________________. |
| separate | Prisms are used to _____________ white light into the color spectrum. |
| rainbow | When light waves from the sun are bent by tiny drops of water in the air, a ______________ is visible. |
| bent | Refraction means __________ light. |
| Refraction | _________________ allows water to magnify objects, so it causes objects to appear closer than they are. |