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waves vocab
| Term | Definition |
|---|---|
| absorption | the transfer of energy form a wave to a medium |
| amplitude | the distance between the highest crest and the resting position |
| barrier | something that blocks the way ; an obstacle |
| bend | to turn or force from straight or even to curved or angular |
| brightness | the lightness or darkness or reflected light (intensity of light) |
| color | what you see when light shines ( reflects or emits ) off a object |
| color filter | a transparent material that absorbs some colors and allow others to pass |
| echo | a repeated sound that is caused by the reflection of a sounds wave from a surface |
| electromagnetic wave | a form of energy that can travel through empty space |
| frequency | the number of times a wave repeats in a given amount of time |
| lens | a curved piece of glass or plastic designed to refract light in a specific way |
| light wave | waves that come from a light source (Ex: visible light - ROYGBIV) |
| matter | anything that has mass and takes up space |
| mechanical wave | a wave that requires a medium to travel through |
| medium/media | material through which a wave travels |
| mirror | a reflecting surface |
| path | also known as trajectory ; is the path an object follows in space |
| prism | a piece of glass or transparent material that bends light |
| propagate | the way waves travel or move |
| ray | the movement of light from its source to a surface or object |
| ray diagram | shows how light travels, including what happens when it reaches a surface |
| reflection | waves bouncing off a medium |
| refraction/refracted | the bending of waves due to a change in speed |
| sound waves | a vibration, or wave, that travel through matter (solid, liquid, or gas) and can be heard |
| transmit | to cause (light,heat and sound, ect) to pass though a medium |
| transparent | allows light to pass trough |
| visible light spectrum | the portion of the electromagnetic spectrum that the human eye can view |
| wave | any disturbance that transfers energy from place to place |
| wavelength | the distance the wave travels before it starts to repeat |