5th+Six+Weeks









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 * **Material** || **Index of Refraction** ||  ||
 * Vacuum || 1.0000 || <--lowest optical density ||
 * Air || 1.0003 ||  ||
 * Ice || 1.31 ||  ||
 * Water || 1.333 ||  ||
 * Ethyl Alcohol || 1.36 ||  ||
 * Plexiglas || 1.51 ||  ||
 * Crown Glass || 1.52 ||  ||
 * Light Flint Glass || 1.58 ||  ||
 * Dense Flint Glass || 1.66 ||  ||
 * Zircon || 1.923 ||  ||
 * Diamond || 2.417 ||  ||
 * Rutile || 2.907 ||  ||
 * Gallium phosphide || 3.50 || <--highest optical density ||

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PHET Simulation Static Electricity

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