Study This Now
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| reflection | when light bounces or reflects
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| refraction | the bending of light
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| absorption | when an object gets taken into another object
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| translucent | when you can mostly see through an object
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| transparent | materials allow almost all the light to push through
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| opaque | objects that don't let any light pass through
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| light | is a form of energy
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| energy | is the ability to do work
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| absorb | soaks in
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| pupil | lets light in
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| cornea | protects the eye from dirt and dust that the eyelid missed
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| muscel | it lets your eye move
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| eyelid | blocks out most dirt and dust
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| lens | focuses in on the object you are looking at
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| retina | the picture is upside down here
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| optic nerve | sends picture to the brain
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| tapetum | only in nocturnal animals
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| focal piont | light enter a curved glass at different angles that come together at the...
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| blood vessel | brings food to the eye
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| ultra violet light | very fast light that can cause sunburn
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| infared ligt | very slow light that gives off heat and is visible to only some animals
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| wavelengths | measurement from crest to crest or tough to tough
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| magnet | anything that is made of iron steel and other certain metals
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| conductor | a material through which an electric current moves easily.
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| insulator | a material through which an electric current does not pass through easily
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| series circuit | electricity can only flow in one path around a single loop
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| parallel circuit | has 2 or more paths for an electric charge to fallow
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| electric current | an electric charge in motion
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| electrical circuit | the path through which controlled electric current flows
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| resitor | a material that resists the flow of electric charge
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| switches | opens and closes electrical circuits
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
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