Whole Unit
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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| electromagnetic waves | changing electric/magnetic transverse waves, produced when an electric charge vibrates or accelerates
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| electric field | a region of space that exerts electrical forces on charged particles/it is produced by electrically charged particles and changing magnetic fields
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| magnetic field | a region of space that produces magnetic forces by changing electric fields and vibrating charges
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| electromagnetic radiation | the transfer of energy by electromagnetic waves travelling through matter or across space
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| Michaelson's contribution | the ability to calculate the speed of light
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| 3x10^8 | speed of light in a vacuum. all electromagnetic waves, including light, travel at this same speed
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| How electromagnetic waves differ from one another? | wavelength/frequency
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| How do electromagnetic waves behave? | like a wave AND a particle
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| photoelectric effect | the emission of electrons from a metal caused by light striking the metal
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| photons | carriers of electromagnetic energy
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| electromagnetic spectrum | full range of frequencies of electromagnetic radiation, characterized by wavelength and frequency
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| polarize | only allows light vibrating in one direction/gets rid of glare
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| transparent | transmits light, Ex. windows
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| translucent | scatters light, Ex. paper, windows at dance
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| opaque | absorbs or reflects all of the light that strikes it, no light goes through, Ex. wood table
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| How light behaves when entering a new medium | the light can be reflected, absorbed, or transmitted. when transmitted it can be refracted, polarized, or scattered
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| image | copy of an objected formed by reflected/refracted waves of light
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| regular reflection | when parallel light waves strike a smoothed, polished surface and reflect back in the same direction. Ex. a mirror or still body of water
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| diffuse reflection | when parallel light waves strike a rough, uneven surface and reflects back in many different directions Ex. paper
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| dispersion | when white light separates into colors, Ex. rainbow
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| determines the color of an object | material and color of light that strikes the object
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| primary colors | can be combined in different amounts to create ALL possible colors/red, green, blue
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| secondary colors | combo of primary colors/cyan, yellow, magenta
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| complementary colors | any 2 colors that form white light/blue and yellow, red and cyan, green and magenta
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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:
mgorcz
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