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Sound/Light Waves

TermDefinition
how is sound generated? by vibration of matter
how is light generated? by vibration of electrons
what mediums can sound travel through? air, liquids, solids
what medium can sound NOT travel through? vacuum
what mediums can light travel through? vacuum, air, liquids, solids
what mediums can light NOT travel through? none
which way do sound particles travel? parallel
which way do light particles travel? horizontally
how does the medium affect the speed of sound waves? the more particles, the faster
how does the medium affect the speed of light waves? the fewer the particles, the faster
what is the approximate speed of sound waves in air? 330 m/s
what is the approximate speed of light waves in air? 330,000,000 m/s
where is the amplitude on a wave? the width between sides of a rise
where is the wavelength on a wave? the distance between the humps on a wave?
which is bigger, high frequency waves or low frequency waves? high frequency
what 2 factors does the speed of sound depend on? medium and temperature
what is the Doppler Effect? high frequency is in front of the moving object, low frequency is behind
list the 7 types of energy from lowest frequency to highest radio waves, microwaves, infared, visible light, ultraviolet, x-rays, gamma rays
what are the 7 types of visible light? red, orange, yellow, green, blue, indigo, violet
which wave region has the most energy? gamma rays
which wave region has the least energy? radio waves
what wavelength region can we see? visible light
what color has the longest wavelength? red
what color has the shortest wavelength? violet
what color has the lowest energy? red
what color has the highest energy? violet
what is refraction? when light changes direction as it goes from air to water
the most penetrating (highest energy) wave has the lowest or highest frequency? highest
the most penetrating type (highest energy) of electromagnetic radiation is what? gamma rays
what are light waves made out of? electricity and magnesity
Created by: katherlynnee
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