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Stack #2434686
| Term | Definition |
|---|---|
| comea | transparent layer of the front of the eye; covers both the iris and the pupil; also helps refract light |
| pupils | a hole that controls the amount of light that enters the eye by adjusting in size |
| iris | the part of the eye that adjusts the size of the pupil; provides charestic eye color |
| lens | a transparent object that refracts light waves such that they converge or diverge to create an image |
| convex lens | a lens that is thicker in the middle than at the edges |
| retina | structure at the back of the eye upon which the lens forms an image |
| optic nerve | eye structure that transmits information about an image formed on the retina to the brain |
| electromagnetic spectrum | all of the frequencies or wavelengths of electromagnetic radiation |
| radio waves | electromagnetic waves that have short wavelengths, lowest frequencies, and least amount of energy |
| microwaves | electromagnetic waves that have the longest wavelengths, higher frequencies, and more energy than radio waves |
| infrared light | light on the electromagnetic spectrum, light with wavelengths that fall between visible light and microwaves |
| visible light | a narrow section of the electromagnetic spectrum that the human eye can detect |
| ultraviolet light | electromagnetic waves with short wavelengths that fall between visible light and x-rays |
| x-rays | electromagnetic waves with short wavelengths, high frequencies and high energy that can travel through soft tissue. |
| gamma rays | the shortest electromagnetic waves that have the ighest frequencies and highest energy |
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bumblebee436
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