WGU C165 Unit 3 Physics| 55 Questions & Answers| Passed
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Course
C165 Integrated Physical Science
Institution
C165 Integrated Physical Science
Law of Conservation of Energy - the law that states that energy cannot be created or
destroyed but can be changed from one form to another
Wave - a disturbance that transfers energy from one place to another
oscillation - a repetitive motion that usually occurs about a center point or equillibri...
WGU C165 Unit 3 Physics| 55
Questions & Answers| Passed
Law of Conservation of Energy - ✔✔the law that states that energy cannot be created or
destroyed but can be changed from one form to another
Wave - ✔✔a disturbance that transfers energy from one place to another
oscillation - ✔✔a repetitive motion that usually occurs about a center point or equillibrium
Equilibrium - ✔✔a position or state to which an oscillation object eventually returns after
a disturbance is gone.
Medium - ✔✔Material through which a wave travels
Mechanical Waves - ✔✔waves that require a medium to travel
Electromagnetic Waves - ✔✔A form of energy that can move through the vacuum of space. can
travel through both matter and a vacuum (in the absence of matter)
Transverse Waves - ✔✔A wave in which the particles of the medium move perpendicularly to
the direction the wave is traveling
longitudinal waves - ✔✔a wave in which the particles move parallel to the path of the wave
Compression - ✔✔The part of a longitudinal wave where the particles of the medium are close
together.
, rarefaction - ✔✔a part in a longitudinal wave where the particles are spread apart (expansion)
Wavelength - ✔✔Horizontal distance between the crests or between the troughs of two
adjacent waves
Frequency - ✔✔the number of complete wavelengths that pass a point in a given time
Amplitude - ✔✔Height of a wave
Crest - ✔✔Highest point of a wave
Trough - ✔✔Lowest point of a wave
Period (waves) - ✔✔amount of time it takes for one wave to pass
electromagnetic spectrum - ✔✔All of the frequencies or wavelengths of electromagnetic radiation
Radio Waves - ✔✔Electromagnetic waves with the longest wavelengths and lowest frequencies
Microwaves - ✔✔Electromagnetic waves that have shorter wavelengths and higher frequencies
than radio waves.
Infrared (IR) - ✔✔Electromagnetic radiation that has a longer wavelength than visible light
but shorter than microwaves. We can feel infrared radiation as warmth.
Visible Light - ✔✔Electromagnetic radiation that can be seen with the unaided eye
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