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6th-Wave Energy Test

Sound, and Electromagnetic Waves

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