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Science Exam Test
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| Term | Definition |
|---|---|
| reflection | when light bounces or reflects |
| refraction | the bending of light |
| absorption | when an object gets taken into another object |
| translucent | when you can mostly see through an object |
| transparent | materials allow almost all the light to push through |
| opaque | objects that don't let any light pass through |
| light | is a form of energy |
| energy | is the ability to do work |
| absorb | soaks in |
| pupil | lets light in |
| cornea | protects the eye from dirt and dust that the eyelid missed |
| muscel | it lets your eye move |
| eyelid | blocks out most dirt and dust |
| lens | focuses in on the object you are looking at |
| retina | the picture is upside down here |
| optic nerve | sends picture to the brain |
| tapetum | only in nocturnal animals |
| focal piont | light enter a curved glass at different angles that come together at the... |
| blood vessel | brings food to the eye |
| ultra violet light | very fast light that can cause sunburn |
| infared ligt | very slow light that gives off heat and is visible to only some animals |
| wavelengths | measurement from crest to crest or tough to tough |
| magnet | anything that is made of iron steel and other certain metals |
| conductor | a material through which an electric current moves easily. |
| insulator | a material through which an electric current does not pass through easily |
| series circuit | electricity can only flow in one path around a single loop |
| parallel circuit | has 2 or more paths for an electric charge to fallow |
| electric current | an electric charge in motion |
| electrical circuit | the path through which controlled electric current flows |
| resitor | a material that resists the flow of electric charge |
| switches | opens and closes electrical circuits |