Practice Science Questions
A remote control uses what to communicate with a television set?
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If you stay outdoors too long, your skin might be burned by exposure to what from the sun.
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A radio station broadcasts a radio wave called a(n) …that has the specific frequency assigned to the station?
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A(n) is a device that transmits at one frequency and receives at another?
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Transverse waves that are produced by vibrating electric charges and consist of vibrating electric and magnetic fields are?
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Electromagnetic waves can behave like particles called?
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Which color of visible light has the shortest wavelength?
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What is the name of the ability of some materials to absorb ultraviolet light and re-mit it as a visible light?
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What is the average distance between earth and sun?
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Which might change, depending on the distance to a star?
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Which is most important in determining the fate of a star?
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Layer of the atmosphere that contains the Ozone layer is
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The northern lights occur in this layer in the atmosphere?
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