how things work
Terms
undefined, object
copy deck
- 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
- copy cat in the telephone mounthpice that passes on the wires
- 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
- copy cat in the telephone mounthpice that passes on the wires
- 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
- stirrer
- this fan blows microwaves. into the micowaves oven.
- 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