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Sound, and Electromagnetic Waves

        Help!  

Question
Answer
number of times a wavelength can pass a point in a certain amount of time   frequency  
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the distance from one crest to the next   wavelength  
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Do waves carry energy or matter?   energy  
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as the wavelength increases the frequency   decreases  
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as the wavelength decreases the frequency   increases  
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white light be separated into a rainbow of colors when you use a   prism  
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most harmful electromagnetic waves   gamma rays  
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Do all stars give on electromagnetic waves?   yes  
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light travels in a _________ line   straight  
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What is the longest electromagnetic wave?   radio waves  
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types of electromagnetic waves that cause sunburns   ultraviolet waves  
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types of electromagnetic waves that has the shortest wavelength   gamma waves  
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types of electromagnetic waves that is given off by objects with heat energy   infrared waves  
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types of electromagnetic waves that transmits songs to the radio in your car   radio  
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only types of electromagnetic waves that humans can see   light  
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What two things do you need to produce sound?   vibration and matter  
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If you change the amplitude of a wave, you change the   volume  
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Does sound need matter to travel through?   Yes  
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Does light need matter to travel through?   NO  
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Loudness is measured in ___________.   decibles  
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Pitch is measured in _____________.   hertz  
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the softness or loudness of a sound   volume  
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the highness or lowness of a sound   pitch  
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Do stars give off electromagnetic waves such as radio waves and ultraviolet waves?   Yes  
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What is a baby star called?   protostar  
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Which form of nuclear energy occurs on stars?   fusion  
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Sunscreen is used to protect a person's skin from _______ waves from the sun.   ultraviolet  
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what is the largest explosion in the universe   supernova  
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a ____________ is a large system of stars   galaxy  
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We live in the ______ galaxy.   Milky Way  
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Is the Milky Way galaxy the only galaxy in the universe?   NO WAY JOSE!  
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What is the last stage of a super massive star in which light can't even escape?   black hole  
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