How Things Work

Front 1

carrier waves

Back 1

makes the radio signals storgner.

Front 2

channel

Back 2

frequency mail chute that each uses.

Front 3

negative

Back 3

oppositely colored image acts like a photostencil.

Front 4

mouthpiece

Back 4

the part of the telephone you speak into.

Front 5

printing paper

Back 5

specail paper that is coated on a light sensitive substance.

Front 6

satellite

Back 6

a man made device orbiting the earth sends tv signals back to station around the world.

Front 7

development

Back 7

changed light ray images on flim into photograhs

Front 8

broadcast

Back 8

sending sound messages through the air

Front 9

main studio

Back 9

area disc jockeys do their broad cast from here

Front 10

tuner

Back 10

mail sorter that picks out the television signals out of the air.

Front 11

sliver salt

Back 11

the light sensitive coating on photo flim

Front 12

telephone

Back 12

an ear and mounth extension

Front 13

camera lens

Back 13

curved piece of glass that covers the aperture the prison gurad that forces light rays to focus in the back of the camera

Front 14

electromaget

Back 14

found in both the receiver and the bell of the phone

Front 15

photographs

Back 15

pictures taken by a camera

Front 16

shutter

Back 16

this prison door lets light rays into the carera and then slams shut

Front 17

control room

Back 17

fillrd with special equimpment that sends out the broadcast.

Front 18

telephone number

Back 18

specail number combination used when placing a telephone call

Front 19

radio antenna

Back 19

strains the radio signals out of the air

Front 20

push button telephone

Back 20

sends out a musical signal.

Front 21

flim

Back 21

a roll of picture prsion cells

Front 22

picture screen

Back 22

the rectangular flat end of the picture tube

Front 23

amplifer

Back 23

give electrcail sounds waves a piggy back ride

Front 24

flashcube

Back 24

used to take picture when there is no light.

Front 25

tunner

Back 25

separates the radio signals and play the ones with the right number.

Front 26

Scanning

Back 26

process of breaking a picture down into tiny pieces

Front 27

connecting rod

Back 27

metal rod that connect the piston to the crankshaft

Front 28

dail tone

Back 28

humming sound that lets you know that the telephone is ready to place your call.

Front 29

microphone

Back 29

a magnet for sound

Front 30

picture tube

Back 30

like a mainiature shooting gallery for electron beams.

Front 31

transmitter

Back 31

producess the carrier waves.

Front 32

exposed

Back 32

flim is exposed when all its prison cells have been filled with light rays.

Front 33

engine block

Back 33

house of elevators usually made of cast iron or aluminum

Front 34

antenna

Back 34

air stainer that starins television siganls out of the air.

Front 35

stereo

Back 35

sound broadcast whrn two or more microphones are used

Front 36

spark plug

Back 36

flame thrower that sparks the fuel causing mini explosions in the cylinder

Front 37

receiver

Back 37

cold storage tank for the freon 12

Front 38

Electronic circuits

Back 38

where television signals are made stonger and are separated into audio and video

Front 39

internal combustion

Back 39

an engine whose energy elevators are powered by mini exposions

Front 40

piston

Back 40

the energy elevator that gives the engine its power

Front 41

transmitter

Back 41

copy cat in the telephone mounthpice that passes on the wires

Front 42

stirrer

Back 42

this fan blows microwaves. into the micowaves oven.

Front 43

receiver

Back 43

copy cat in the telephone mounthpice that passes on the wires

Front 44

cylinder haed

Back 44

forms the ceiling of the cylinder.

Front 45

Phosphor

Back 45

glowing materrail in the picture tube's dots.

Front 46

evaporator

Back 46

coldest part of the refrigerator where the freon 12 becomes gas

Front 47

speakers

Back 47

change audio signals to sound.

Front 48

combustion chamber

Back 48

mini explosion take place here

Front 49

diapharm

Back 49

sound waves jumpnon this "metal trampoline"

Front 50

aperture

Back 50

small round opening at the front of the camera

Front 51

cup of carbon

Back 51

the diaphragm trampoline packs down the grains in this cup which has an eletrical current running throught it.

Front 52

condenser

Back 52

takes the heat out of freon 12 as it changes the gas back to a liquid

Front 53

cable

Back 53

a thick bundle of telephone wires

Front 54

refrigerant

Back 54

serves as a cool fuel

Front 55

freon 12

Back 55

the refrigerant used in most refrigerators.

Front 56

cranketsharft

Back 56

this meatal bar helps change up and down power into turning power for wheels

Front 57

electric stove

Back 57

uses coils of metal tubing to produce heat for cooking

Front 58

stroke

Back 58

round trip a piston makes when it goes up down.

Front 59

refriger

Back 59

cool closet for keeping food cold

Front 60

defrost

Back 60

freezer melt down so the freon 12 can keep working effciently

Front 61

magnetron

Back 61

makes microwaves.

Front 62

cylinder

Back 62

the energy elevator sharft inside which the piston moves up and down