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62 Cards in this Set

  • Front
  • Back
carrier waves
makes the radio signals storgner.
channel
frequency mail chute that each uses.
negative
oppositely colored image acts like a photostencil.
mouthpiece
the part of the telephone you speak into.
printing paper
specail paper that is coated on a light sensitive substance.
satellite
a man made device orbiting the earth sends tv signals back to station around the world.
development
changed light ray images on flim into photograhs
broadcast
sending sound messages through the air
main studio
area disc jockeys do their broad cast from here
tuner
mail sorter that picks out the television signals out of the air.
sliver salt
the light sensitive coating on photo flim
telephone
an ear and mounth extension
camera lens
curved piece of glass that covers the aperture the prison gurad that forces light rays to focus in the back of the camera
electromaget
found in both the receiver and the bell of the phone
photographs
pictures taken by a camera
shutter
this prison door lets light rays into the carera and then slams shut
control room
fillrd with special equimpment that sends out the broadcast.
telephone number
specail number combination used when placing a telephone call
radio antenna
strains the radio signals out of the air
push button telephone
sends out a musical signal.
flim
a roll of picture prsion cells
picture screen
the rectangular flat end of the picture tube
amplifer
give electrcail sounds waves a piggy back ride
flashcube
used to take picture when there is no light.
tunner
separates the radio signals and play the ones with the right number.
Scanning
process of breaking a picture down into tiny pieces
connecting rod
metal rod that connect the piston to the crankshaft
dail tone
humming sound that lets you know that the telephone is ready to place your call.
microphone
a magnet for sound
picture tube
like a mainiature shooting gallery for electron beams.
transmitter
producess the carrier waves.
exposed
flim is exposed when all its prison cells have been filled with light rays.
engine block
house of elevators usually made of cast iron or aluminum
antenna
air stainer that starins television siganls out of the air.



stereo
sound broadcast whrn two or more microphones are used
spark plug
flame thrower that sparks the fuel causing mini explosions in the cylinder
receiver
cold storage tank for the freon 12
Electronic circuits
where television signals are made stonger and are separated into audio and video
internal combustion
an engine whose energy elevators are powered by mini exposions
piston
the energy elevator that gives the engine its power
transmitter
copy cat in the telephone mounthpice that passes on the wires
stirrer
this fan blows microwaves. into the micowaves oven.
receiver
copy cat in the telephone mounthpice that passes on the wires
cylinder haed
forms the ceiling of the cylinder.
Phosphor
glowing materrail in the picture tube's dots.
evaporator
coldest part of the refrigerator where the freon 12 becomes gas
speakers
change audio signals to sound.
combustion chamber
mini explosion take place here
diapharm
sound waves jumpnon this "metal trampoline"
aperture
small round opening at the front of the camera
cup of carbon
the diaphragm trampoline packs down the grains in this cup which has an eletrical current running throught it.
condenser
takes the heat out of freon 12 as it changes the gas back to a liquid
cable
a thick bundle of telephone wires
refrigerant
serves as a cool fuel
freon 12
the refrigerant used in most refrigerators.
cranketsharft
this meatal bar helps change up and down power into turning power for wheels
electric stove
uses coils of metal tubing to produce heat for cooking
stroke
round trip a piston makes when it goes up down.
refriger
cool closet for keeping food cold
defrost
freezer melt down so the freon 12 can keep working effciently
magnetron
makes microwaves.
cylinder
the energy elevator sharft inside which the piston moves up and down