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Waves
| Term | Definition |
|---|---|
| Absorption | the transfer of energy from 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 or force from straight or even to curved |
| Brightness | the lightness or darkness of reflected light (intensity of light ) |
| Color | what you see when light shines( reflects or emits) off an object |
| Color Filter | a transparent material that absorbs some color and allows others to pass through |
| Echo | a repeated sound that is caused by the reflection of a sound wave from 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 waves | waves that come from a light source |
| matter | anything that has mass or takes up space |
| Mechanical waves | a wave that requires a medium to travel through |
| medium/ Media | material through which a wave travels |
| mirror | a reflecting light |
| 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 |
| proportion | something changes with regard to something else |
| Ray | the movement of light from its source to a surface or a object |
| Ray diagram | shows how light including what happens when a reaches a surface |
| reflection | waves bouncing off a medium |
| refraction/refracted | the bending of waves due to a change of speed |
| sound waves | a vibration or wave that travels through matter (soild liquid gas) |
| transmit | to cause (light heat sound etc ) to pass through a medium |
| transparent | allows light to pass through |
| visible light spectrum | the portion of the eletromagnetic spectrum that the human eye can view |
| waves | any disturbance that transfers energy from place to place. |
| wavelength | the distance the wave travels before it starts to repeat. |