Sound, and Electromagnetic Waves
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| 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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