Words for electromagnetic spectrum quiz tomorrowww:D
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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| infrared radiation | A form of energy with wavelengths that are longer than red light; not visible but can be felt as heat; examples include the Sun and remote control devices.
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| visible light | A mixture of all of the colors that you see in a rainbow; the different colors are because of the different wavelengths of visible light; red = longest wavelength, violet = shortest wavelength.
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| ultraviolet radiation | A form of energy with wavelengths that are shorter than violet light; invisible; UV radiation can cause skin and eye damage.
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| radio waves | A form of energy with the longest wavelength; cellular phones, GPSs, radios, TV, satellite radios, police scanners, and stars emit and/or make use of radio waves.
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| microwave radiation | A form of energy with wavelength size between radio waves and infrared radiation; examples include microwave oven, Doppler radar, PAVE PAWS (detect incoming missiles or foreign flying objects)
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| x-ray radiation | A form of energy with wavelength size between UV radiation and gamma radiation; this form of energy is used to take images of bones and other internal organs; stars emit x-ray radiation.
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| gamma radiation | A form of energy with the shortest wavelength sizes - very powerful, used to treat cancer by killing/shrinking the cancer cells.
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| heat transfer | Movement of heat energy between substances that are at different temperatures; heat energy is always transferred from the warmer substance to the cooler substance.
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| conduction | Transfer of heat by direct contact with particles of matter; how particles of a solid become heated.
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| convection | Transfer of heat by the movements of a heated fluid (liquid) or a heated gas.
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| density | The amount of mass in a given space; mass per unit of volume (g/mL); less dense fluids or gases rise when heated because particles spread out and become less compact.
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| convection current | The movement of a fluid or gas caused by differences in temperature; transfers heat from one part of the fluid or gas to another.
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| electromagnetic spectrum | Full range of electromagnetic waves that travel from the sun and other stars through space.
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| radiation | Transfer of energy in electromagnetic waves; occurs through empty space.
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