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| The science of using electric currents to process or transfer information. |
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| Information sent as patterns in the controlled flow of electrons through a circuit. |
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| A smoothy varying signal produced by continously changing the voltage or current in a circuit. |
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| A signal that encodes information as a string of 1's and 0's. |
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| A crystalline solide that conducts electric current only under certain conditions. |
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| A solid component with an n-type semiconductor joined by a p-type semiconductor. |
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| A solid state component with three layers of semiconductor material used to turn current on or off to increase the strength of the electric current. |
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| A thin line of silicon that contains many solid-state components, including microchips. |
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| A programmable device that can store and process information. |
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| A disturbance in matter that carries energy from one place to another. |
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| The material in which a wave travels through. |
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| The highest point of a transverse wave. |
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| The lowest point of a transverse wave. |
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| Waves that cause a medium to vibrate at right angles to the direction in which the wave travels. |
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| An area of a longitudinal wave where the particles of a medium are close together. |
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| An area of a longitudinal wave where the particles of a medium are close together. |
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| An area of a longitudinal wave where the particles of the medium are spread out. |
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| A wave in which the vibration of the medium is parralel to the direction that the wave travels. |
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| A wave that travels along the surface seperating two media,a transverse wave that devolopes when seismic waves reach. |
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| Any motion that repeats at regular time intervals. |
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| A unit of geological time into which geologists divide eras. |
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| The number of complete cycles per unit time for a periodic motion. |
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| The unit of measure for frequency equal to one cycle per second. |
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| The distance between a point on a wave and the same point on the next cycle of the wave. |
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| The maximum displacement of a medium from the rest position. |
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| The intetrsection that occurs when a wave bounces off of a surface that cant pass through it. |
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| The bending of a wace as it enters a new medium at a new angle. |
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| The bending of a wave as it moves around an obstacle or passes through a narrow opening. |
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| The interaction of two (2) ▐▐◘▐▐ or more waves that combine in a region to overlap. |
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| Constructive Interference |
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| The Interaction two (2) or more waces in which displacements combine to make a wave with a larger displacement. |
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| The intersection among two (2) or more waves in which the displacements combine to make a wave with a smaller displacement. |
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| A wave that appears to stay in one place and does not seem to move through the medium. |
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| A point on a standing wave that has no displacement. |
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| A point of maximum displacement midway between two NOTES in a standing node. |
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| A long wave consisting of compressions as well as rarefractions which travels through a medium. |
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| The rate at which waves energyflows through a given unit of area. |
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| A unit that compares the interists of different sounds. |
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| A physical response to the intensity of sound modified by physical features. |
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| The frequency of a sound as a listener percieves it. |
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| A technique for determining the distance to an object under water. |
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| A change in sound frequency caused by motion of a sound source, motion of the listener, or both. |
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| The response of a standing wave of the same with dramatic increases in amplitude if the standing wave. |
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| A transverse wace consisting of changing electronic and magnetic fields. |
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| A field in a region of space that exerts electric forces on changed particles; a field provided by electic charges. |
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| A field in a region of space that exerts magnetic forces; a field produced by magnets, by changing electic fields or by charges. |
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| The transfer of energy through electromagnetuc waves. |
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| The emissions of electrons from a metal caused by light sstriking the metal. |
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| A packet of electromagnetic energy. |
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| The rate at which a waves energy flows through a given unit of an area. |
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| The full range of electromagnetic radiation. |
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| A method of transmitting a radio signal in which the amplitude of the carrier wave varies while its frequency remains the same. |
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| A method of transmitting a radio signal so the carrier wave varies, yet its amplitude remains the same. |
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| A color coded picture using variations in infrared radiation to show variations in temperature. |
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| Allows light to go through it. |
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| A description of a material that scatters light through it. |
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| A description of a material that either absorbs reflects all of the light that strikes it so that nothing can be seen through it. |
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| A copy of an object formed by reflection or refracted rays of light. |
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| A reflection that occurs when when parralel light waves strike the surface and all reflect in the same way or direction. |
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| Reflection that occurs when parralel light strike a rough, uneven surface and reflect in many other different directions. |
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| A fake or distorted object. |
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| A type of light including light with waves that vibrate in only one plane. |
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| A process by which light is redirected as it passes through the a medium. |
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| The process in which light white seperates into other colors. |
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| Three (3) specific that can be combined to make thousands of variations of other colors, as well as hundreds of shades of an individual color. |
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| A new color that is a result of two or more primary colors combining. |
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| Complimentary Colors of Light |
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| Any colors of light that combine to make white light. |
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| Complimentary Colors of Pigment |
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| Any two (2) colors of pigment that can combine to make a black pigment. |
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| A material that selectively absorbs certain colors of light and reflects other colors. |
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| The transfer of thermal with NO overall transfer of matter. |
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| A material that conducts thermal energy well. |
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| A material that conducts thermal energy poorly. |
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| The transfer of thermal energy when particles of a fluid move from one place to another. |
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| Circulation of a fluid in a loop as the fluid heats or cools. |
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| The transfer of energy by waves moving through space. |
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| The study of conversions between thermal and other energy forms. |
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| Any device that convects thermal energy into work. |
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