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Phys. Sci. - electromagnetic waves
Electromagnetic waves
23
Science
9th Grade
04/07/2010

Additional Science Flashcards

 


 

Cards

Term
carrier wave
Definition
electromagnetic wave on which a radio station is assigned to broadcast
Term

electromagnetic

spectrum

Definition

range of different

wavelengths and frequencies

of

electromagnetic radiation

Term

electromagnetic

waves

 

Definition

waves produced by

a vibrating

electric charge

Term
frequency
Definition

number of waves

that pass a certain point

in one second

Term

gamma

rays

Definition

electromagnetic waves

produced by

changes in the nuclei of an atom

Term

Global

Positioning

System

Definition

system of ground stations,

satellites, and mobile receivers

that can determine a person's location

Term

infrared

waves

Definition

electromagnetic waves

sensed by the skin

as heat

Term
microwaves
Definition

radio waves

with wavelenths between

about 03.m and 0.001m

Term

radiant

energy

Definition

kind of energy

carried by

electromagnetic waves

Term

radio

waves

Definition

electromagnetic waves

with the lowest frequency

and least energy

Term

visible

light

Definition

the part of

the electromagnetic spectrum

that the human eye

can see

Term

ultraviolet

radiation

Definition

electromagnetic waves

used as a disinfectant

Term
wavelength
Definition

the distance

between

two crests of a wave

 

 

Term
X rays
Definition

electromagnetic waves

with enough energy to

penetrate skin and muscles

but not lead

Term

wavelength

 

can determine

 

frequency

Definition

gravity

 

can create a

 

force field

Term

gamma rays

 

are released

 

during nuclear fission

Definition

ultraviolet rays

 

cause

 

sunburn

Term

carrier wave

 

determines

 

frequency modulation

Definition

radar

 

tracks

 

aircraft

Term

microwaves

 

cook

 

food

Definition

speed of light

 

300,000 km/s

Term

t.v. remote control

 

uses

 

infrared waves

Definition

electromagnetic waves

 

are made up of

 

vibrating electric charges

Term
[image]
Definition

Know the parts of spectrum:

  • radio waves
  • microwaves
  • infrared waves
  • visible light
  • ultraviolet waves
  • X rays
  • gamma rays
Term

X rays uses:

 

  • medical imaging or
  • astronomy
Definition

microwaves uses:

 

  • cell phones
  • cooking food
Term

radio waves uses:

 

  • radar
Definition

ultraviolet radiation uses:

 

  • kills germs
Term

infrared waves uses:

 

  • TV remotes
  • mapping wildfires
Definition
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