,SM>T ,GRID ,= ,S*OOLS3 ,SM>T
             ,GRID ,3/RUC;N

  ,NE>LY "EY?+ REQUIRES "S TYPE ( 5]GY4
,( C\RSE MOV+ A C> OR BUS1 MANUFACTUR+
PRODUCTS1 & 3/RUCT+ BUILD+S REQUIRE
5]GY1 B ! 8LL ?+S0 L H1T+ YR FOOD & *>G+
YR CELL PH"O AL REQUIRE 5]GY4 ,5]GY
ALL[S ?+S TO 2 D"O4 ,IMAG9E :AT WD HAPP5
IF ELECTRIC;Y 0 %UT (F AT YR S*OOL4 ,WE
>E ALL V DEP5D5T ON RELIABLE 5]GY6
  ,NE>LY ALL "W 0 D"O BY MUSCLE P[]
UNTIL AB #BJJ YE>S AGO4 ,US+ ANIMALS
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QKLY4
  ,9V5TORS H ALW BE5 LOOK+ = WAYS TO
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,>.D #BJJ ,B4,C4,E4 ,EUROP1NS 7 US+
WAT]:EELS TO CRU% GRA91 SAW WOOD1 & D _M
M TASKS4 ,9 #AJJJ ,A4,D41 ! ,DUT* _H
H>;S$ ! P[] ( W9D TO D _M ( ! SAME TASKS
Z WELL Z TO PUMP WAT]4
      @.<,A WOOD5 WAT] :EEL IS HALF !
    HEI<T & WID? ( AN \TSIDE WALL (   #A
    A LOG CAB91 & ! SLATS ( ! :EEL CAT*
    WAT] L A BUCKET 9 ORD] TO SP9 !
    :EEL4@.>

    ,/1M ,P[] "<#AGFI-#AHBJ">3
    ,EXPLORA;N
  ,W9D & WAT] >E UNPR$ICTABLE1 H["E1 S
O!R S\RCES ( 5]GY 7 S"\4 ,9 #AGFI ,JAMES
,WATT1 A ,SCOTTI% 5G9E]1 PAT5T$ ! MOD]N
"D /1M 5G9E4 ,/1M 5G9ES QKLY REPLAC$
LESS RELIABLE S\RCES ( P[]4
  ,H[ D Y ?9K A /1M 5G9E "WS8
--------------------------------------#B
      @.<,! MODEL /1M 5G9E F ! ,SM>T
    ,GRIDS = ,ALL CURRICULUM4@.>
  ,YR T1*] W SET UP A /1M 5G9E & PROVIDE
X ) FUEL4
  ,RECORD :AT HAPP5S Z ! 5G9E 2G9S TO
RUN4
  ,A /1M 5G9E PROVIDES GRT P[] TO GET "W
D"O1 B ONLY 9 A ME*ANICAL =M,-X M/ CR1TE
MO;N4 ,FACTORIES US+ /1M P[] 9 ! #AHJJS
TRANSF]R$ XS ME*ANICAL MO;N US+ L;G
%AFTS ) _M PULLEYS & GE>S4 ,IMAG9E H[
DANG]\S X WD 2 TO "W 9 ? FACTORY6     #B
  ,! %AFTS1 BELTS1 & PULLEYS :       A#B
TRANSF]R$ P[] F A /1M G5]ATOR TO FACTORY
MA*9]Y C ALL 2 SE5 9 ? TEXTILE FACTORY4

    ,/1M ,P[] "<#AGFI-#AHBJ">3 ,4CUS.N
  ,:AT HAPP5S TO ! WAT] Z ! FUEL BURNS8
  ,:AT IS ! S\RCE ( 5]GY = ? /1M 5G9E8
--------------------------------------#C
  ,5]GY C 2 CLASSIFI$ 9TO _M =MS 9CLUD+
!RMAL "<H1T"> 5]GY1 *EMICAL "</OR$">
5]GY1 ME*ANICAL 5]GY "<5]GY ( MO;N">1
&_/OR ELECTRICAL 5]GY4 ,:AT >E ! 5]GY
TRANS=MA;NS Y H SE5 9 ! /1M 5G9E8
  .- 5]GY ^2@> .- 5]GY ^2@> .-

    ,L9K+ ,MAGNETISM TO ,ELECTRIC;Y
    "<#AHBJ-#AHCA">3 ,EXPLORA;N
  ,9 #AHBJ1 ,DANE ,HANS ,*RI/IAN ,O]/$
F.D T 8 COMPASS NE$LE MOV$ :5 PLAC$ NE>
A WIRE 3NECT$ TO A BATT]Y4 ,A FEW YE>S
LAT]1 ,FR5*MAN ,&RE-,M>IE ,AMP]E 4COV]$
T TWO WIRES ) 5]GY RUNN+ 9 DI6]5T
DIREC;NS CD ATTRACT & REPEL "O ANO!R1 J
L MAGNETS4 ,A DECADE LAT]1 ,5GLI%MAN
,MI*AEL ,F>A"D FIGUR$ \ T MAGNETISM   #C
MAKES ELECTRIC;Y & ELECTRIC;Y        A#C
MAKES MAGNETISM4
--------------------------------------#D
      @.<,TWO OPPOS+ ELECTRICAL WIRES >E
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    TO SP9 ! COMPASS NE$LE T'S 9 2T4@.>
      @.<,! H& CRANK F ! ,SM>T ,GRIDS =
    ,ALL CURRICULUM ) ! FOLL[+ "PS
    LABEL$3 H& CRANK1 DRIVE BELT1 /ATOR
    MAGNET1 ROTOR COIL1 COMMUTATOR1
    BRU%ES1 \TPUT T]M9ALS4@.>
  ,)\T ! MOTOR OR LAMP 3NECT$1 TURN !
H&-CRANK G5]ATOR4
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"P"<S"> /AY 9 PLACE8
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MOTOR TO ! TWO \TPUT T]M9ALS ON !
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3NECT$4 ,FOLD A SMALL PIECE ( TAPE >.D !
MOTOR %AFT S Y C EASILY SEE X SP94
  ,H EA* P]SON ON YR T1M TAKE A TURN ON
! H& CRANK4
--------------------------------------#E
  ,:AT D Y OBS]VE HAPP5+ Z Y TURN !   #D
CRANK4                               A#E
  ,4CONNECT ! WIRES & SET ! G5]ATOR
ASIDE4

    ,L9K+ ,MAGNETISM TO ,ELECTRIC;Y
    "<#AHBJ-#AHCA">3 ,4CUS.N
  ,EXPLA9 H[ Y ?9K ! G5]ATOR IS PRODUC+
ELECTRIC;Y4
  ,H[ DOES ELECTRIC;Y GET F ! G5]ATOR TO
! MOTOR8
  ,TRACE ! TRANSF] ( 5]GY F ! G5]ATOR TO
! MOTOR1 US+ ! T]MS !RMAL "<H1T"> 5]GY1
*EMICAL "</OR$"> 5]GY1 ME*ANICAL 5]GY
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  .- ^2@> .- ^2@> .-
      @.< ,A CLUTT]$ MA*9E %OPS ) BELTS
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    5VIRON;T4@.>
  ,E>LY FACTORIES US$ /1M TO SP9 MA*9ES
) BELTS & %AFTS4 ,! PHOTO ABV %[S LA!S 9
A MA*9E %OP4 ,LA!S C CR1TE TOOL H&LES &
O!R CYL9D]-%AP$ OBJECTS4
--------------------------------------#F
  ,AN ELECTRIC LA! "<2L"> USES AN
ELECTRIC MOTOR 9/1D4 ,? IS M* SAF]6   #E
,X ELIM9ATES ! L>GE BELTS T CD       A#F
5TANGLE A "W] & CAUSE AN 9JURY4
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    VISIBLE4@.>
  ,MI*AEL ,F>A"D MADE A MA*9E T SPUN A
COPP] DISC 9SIDE A MAGNETIC FIELD4 ,HE
CALL$ X A 8DYNAMO40 ,ELECTRIC G5]ATORS
3V]T ME*ANICAL 5]GY "<5]GY ( MO;N"> 9TO
ELECTRICAL 5]GY4
  ,BY ! #AHEJS 9V5TORS 7 ATTA*+ DYNAMOS
TO /1M 5G9ES4 ,!Y BURN$ COAL TO H1T WAT]
9TO /1M4 ,! /1M SPUN A %AFT T 0 ATTA*$
TO ! ROTOR ( ! G5]ATOR4 ,WE / USE
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ELECTRIC;Y4
  ,"O ( ! E>LIE/ USES ( ELECTRIC;Y 0 !
ELECTRICAL MOTOR1 DEVELOP$ BY ,PRUSSIAN
,MORITZ ,JACOBI 9 #AHCD4
  ,X DID N TAKE L;G 2F FACTORY [N]S
R1LIZ$ T ! ELECTRIC MOTOR 0 M* BETT] ?AN
! HUGE %AFTS1 PULLEYS1 & BELTS T 7 P[]+
_! MA*9]Y4 ,ELECTRIC MOTOR TE*NOLOGY
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TO RUN ON ELECTRIC;Y4 ,? POS$ A      B#F
PROBLEM1 H["E4 ,"! 7 NO P[] PLANTS
PRODUC+ ELECTRIC;Y4 ,_M FACTORIES BUILT
_! [N P[] PLANTS "R NEXT TO ! FACTORY
BUILD+4
--------------------------------------#G

    ,NEW ,SKILLS = ,ELECTRIC;Y
    "<#AHBE-PRES5T">3 ,EXPLORA;N
  ,9V5TORS SOON LE>N$ T "W+ ) ELECTRIC;Y
REQUIR$ A NEW SET ( SKILLS4 ,!Y _H TO
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SAFETY4
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HOSES C>RY WAT]4 ,SIMIL> TO HOSES1 !
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H A WAY F ! G5]ATOR "<OR BATT]Y"> TO !
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,T IS :Y X IS S IMPORTANT T ! WR;G WIRES
D N T\* EA* O!R4
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>E US$ = :AT APPLICA;NS1 B "! >E G5]AL
RULES4
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AN ALLIGATOR CLIP1 "! W 2 A DIRECT    #H
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H FUSES4 ,IF "! IS TOO M* ELECTRIC;Y
FL[+ 9 ! WIRE1 ! FUSE W 8BURN0 & %UT (F
! P[]4 ,%[ YR T1*] H[ Y FIX$ ! PROBLEM &
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9SULA;N (F BO? 5DS US+ A WIRE
CUTT]_//RIPP]4
--------------------------------------#H
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"? ! WIRE XF4 ,Y C USE A SMALL PIECE (
TAPE TO HELP KEEP ! DIAL SET4         #I
      @.<,AN ADJU/$ WIRE CUTT] F !   A#H
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    FOLL[+ "PS LABEL$3 8SET TO #BJ "H0 &
    8NOTICE ! LL GAP "H04@.>
  ,YR WIRE TOOL MI<T LOOK L ?3
--------------------------------------#I
      @.<8,A NE$LE-NOSE WIRE TOOL SIMIL>
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  ,M1SURE ! "R L5G? ( WIRE BY HOLD+ X 2T
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ONLY6">4
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ON ! WIRE TOOL4
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2T ! SPR+ COILS4 ,2 SURE ! SPR+ IS   A#I
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9SULATOR4 ,TO 9S]T A SECOND WIRE 9TO !
SAME SPR+1 B5D X ! O!R DIREC;N S ! SPR+
P9*ES ! F/ "O 9 :ILE Y 9S]T ! SECOND4
-------------------------------------#AJ
      @.<,B5D ! SPR+ ON TOP ( A BUILD+ &
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    ,NEW ,SKILLS = ,ELECTRIC;Y
    "<#AHBE-PRES5T">3 ,4CUS.N
  ,:AT IS A CIRCUIT8
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  ,H[ D ELECTRICIANS "K :AT WIRES TO
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  ,C A BLACK OR R$ WIRE "E 2 3NECT$ TO A
:ITE OR GRE5 WIRE8 ,:Y OR :Y N8
  ,:AT HAPP5S IF A WIRE C>RIES TOO M*
ELECTRIC;Y8
  ,:AT DEVICE KEEPS ! WIRES F GETT+ HOT
& POSSIBLY />T+ A FIRE 9 YR HOME8
-------------------------------------#AA

                                     #AA
    ,ELECTRICAL ,P[]                A#AA
    "<#AHCJ-#AHHJ">3 ,EXPLORA;N
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:O USE X F/ >E USUALLY ^? :O USE X =
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MA*9]Y4 ,B1 !Y NE$$ ELECTRIC;Y4 ,!Y _H
TO MAKE _! [N4
  ,MO/ P[] PLANTS MAKE ELECTRIC;Y BY
BURN+ FUEL TO TURN WAT] 9TO /1M4 ,! /1M
TURNS A TURB9E T SP9S A G5]ATOR4 ,?
R1LLY HAS N *ANG$ M* 9 ! PA/ #AEJ YE>S4
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,9 ,ILL9OIS WE USE COAL & NATURAL GAS TO
PRODUCE A BIT LESS ?AN HALF ( !
ELECTRIC;Y 9 ,ILL9OIS4 ,NUCLE> P[] MAKES
! O!R HALF4 ,W9D P[] HAS BE5 US$ TO
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HAS N"E BE5 A MAJOR S\RCE ( P[] 2C ! W9D
IS N ALW BL[+4
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HAS #C SPR+S ON TOP Z WELL Z AN
ALLIGATOR CLIP4 ,ALL P[] PLANTS PRODUCE
#C-PHASE ,ALT]NAT+ ,CURR5T           #AB
"<;,,AC">4 ,EA* WIRE C>RIES #A      B#AA
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#C "<OR "S"TS #F"> MA9 WIRES4
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& X DOES N MATT] : "O4 ,FACTORIES1 H["E1
L TO USE #C-PHASE P[] 2C X MAKES _!
MOTORS M P[];L & _! MA*9ES RUN M
SMOO?LY4
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    WIRES ATTA*$ TO ALLIGATOR CLIPS4@.>
  ,J L #AEJ YE>S AGO1 PLACE ! FACTORY 2S
! P[] PLANT4
-------------------------------------#AB
  ,M1SURE1 CUT1 & /RIP BO? 5DS ( A :ITE
WIRE & CLASP X 2T ! ALLIGATOR CLIPS4
  ,M1SURE1 CUT1 & /RIP BO? 5DS ( A R$1
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ON ! P[] PLANT & A SPR+ ON ! FACTORY4
  ,ASK YR T1*] TO 9SPECT YR "W TO MAKE
SURE "! >E NO DIRECT %ORTS4
  ,:5 Y H P]MIS.N1 3NECT ! P[] PLANT TO
! P[] COMPANY H1DQU>T]S (FICE BUILD+ US+
A CABLE ) #A_/#D0 AUDIO JACK 5DS4
  ,TURN ON ! P[]4 ,:AT HAPP5S8       #AC
    ,! ,ADV5T ( ,ELECTRICAL ,P[]    A#AB
    "<#AHCJ-#AHHJ">3 ,4CUS.N
  ,2F ! USE ( ELECTRIC;Y1 :AT DID
FACTORIES USE TO P[] _! MA*9]Y8
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MOTORS OV] O!R TYPES ( P[]8
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G5]ATORS8

    ,ELECTRICAL ,5LI<T5;T
    "<#AHHJ-#AIBJ">3 ,EXPLORA;N
  ,SET \ ! H&-CRANK G5]ATOR4
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  ,EA* P]SON ON YR T1M %D TAKE A TURN ON
! H& CRANK4
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CRANK8 ,DOES ANY?+ *ANGE :5 Y TURN !
CRANK FA/] OR SL[]8
  ,4CONNECT ! WIRES & PUT ! G5]ATOR
AWAY4 ,Y W N NE$ X AG4
-------------------------------------#AC
  ,UNTIL ! LATE #AHJJS1 ELECTRIC;Y 0
ONLY = FACTORIES & BIG COMM]CIAL
BUILD+S4 ,NOBODY "E ?"\ !Y WD NE$ X 9 _!
HOME4 ,T ATTITUDE *ANG$ ) ! 9V5;N    #AD
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CD RUN ON ELECTRIC;Y4 ,SOON1 "EYBODY
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    "<#AHHJ-#AIBJ">3 ,4CUS.N
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WAY P LIV$8
-------------------------------------#AD
  ,9 #AHDA1 ,FR$]IK DE ,MOLEYNS1 A
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"EY"O4 ,:5 PRICES CAME D[N1 :AT _H
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= ! W1L?Y QKLY *ANG$ ! LIVES ( AV]AGE
,AM]ICANS4
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SOON AF "<9 #AHHH"> :5 ,*>LES ;,F4 ,BRU%
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CURR5T4
-------------------------------------#AE
  ,9 #AHIE1 ,GEORGE ,WE/+H\SE        #AG
"PN]$ ) ,NICOLA ,TESLA TO BUILD A   A#AE
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,TESLA TO 9CR1SE & DECR1SE ! VOLTAGE US+
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TRANSMITT$ L;G] 4T.ES ) LESS LOSS4

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    ,EXPLORA;N
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TABLE4
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-------------------------------------#AF
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  ,REMEMB] T Y M/ H A COMPLETE CIRCUIT4
,! ELECTRIC;Y HAS TO H A WAY TO GET BACK
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-------------------------------------#AG
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-------------------------------------#AH
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-------------------------------------#BE
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