]:e+*r*;'i tr t.:3v:+,", t *. .....1"... 1. ., -.. -..-. 4! I!'ii' : tl,' i.""- :; :i" , t Y,;r-t ; :. ,*;: i.- ",, .* ."". .- -. #;"##B-]*i *, ^-, - €e" f;' i{ jj i L-6 r"ji l c,"+ I*:** I q+*ng t E {}f'r {}t{} r: g xl:1n i{: ietrr -: t'r : '- - 91}flTtt**i" *:'1+i*i*r*# rg:.::.,'-i", *.*,l I 1i-.! rr.;-i f-rA:ri " .1.1.-n i r-,r'; r=-'. ; -t: 1r"r_-: i.f\r':t i . ;1 - " ; s't* E {+$}r:1 r1+tuii!ii!; ,* t -.. .", : { ttJ Ll!t:;'} member oJ o lorge group oJ ani.mals thot hove three bodg secti,ons, six Legs, cotd blood ond on externol sheleton anlmol with no sheleton does not hove o smooth, even shope o metol bar thot protects the ends oJ o magnet a serles oJ questlons thot o[[ow Uou to nome anlmols or plcnts matter that ls wet and con change shape, Jor example woter the environment close to on onimol or plont a sound llke on otorm o low-pltched sound such os o growl o dlsoster caused by humon octlons 110V or 220V electrlcity whot everything is made oJ; matter can be a so[[d, ttqutd or gos drug thot mahes our bodi.es better when we ore slck when you heat o soti.d ond i.t changes to liquld the temperoture at which o solid melts verU smo[[ anlmots ond ptonts to mohe sounds less ond less cteor ports oJ the body thot ore jolned to the bones ond o[tow gou to move 28 11 8 85 26 38 20 58 64 30 82 38 14 44 48 34 62 12 r#!u****rg * i:,1-i i**j+s
.-- j.qi:i i r:r!::i.: :"sr':.;;:l:--riri. +f rr i !..'ir: i-: :-.!: r;. r I : things that we use to produce muslc a dlsaster caused by natural processes one pole oJ o mognet too manu components or applionces Jor the supptg oJ voltage o smo[[ port oJ something o muslcol instrument thot you ptoy bg hltting or shoki.ng to couse vibrotions the stote thot motter ls in: soti.d, Liquid or gos how high or low o sound [s picking up o string with gour frnger ond letting it go agoin the ends oJ o mognet damoge to oir, lond or woter that Jollows the releose oJ damaging moterial o soJety device on whlch the user suchs ln order to co[[ect smo[[ lnsects move o liguid Jrom one contolner to another when o doctor sogs what medlclne on i.[[ person must have to stop something Jrom hoppening tahe octlon to prevent domage moterlol which [s processed Jor reuse when o muscle gets longer do agaln push owou 66 30 86 83 40 66 38 64 65 86 32 29 42 16 14 30 34 12 23 87 ..,.. jl --.. .-...., . . ... {r} 1 -r :!.:r j ._,. i.,ir.l.it::.:r:. L.i !-.'i : .": : : i-i ..=i. i-": i i:\: r: ffi
f:r"i,1til'i1J 1i ! ! *;! i'!. a't ri:1 j'i; ,.4 ; , .. ., a -. _ ,". *._ ,., :- +!'i + + g lt+ !i:i!. 14 i :-1 n.. +:# :ift I i i +.&: tr: 1 1.* .:.. {f,}i-}alaT'i i*!1.-r.a,jni; '1 .: clii:*"i Ii\lrr t lF I*en * ti.,r !'rt r. ]{-:i :I i :.; ?' [a 5 ,r-] j!=r q moterlol or object Jor which a Jurther use is Jound decomposition oJ motertals bg micro-orgonisms used by scientists to exptoin how ond why somethlng happens equi.pment that mahes sounds quieter o precious metal hord, strong Jrome that supports our body the bones oJ the head a sound like a whlsper motter that does not chonge shape eos[[g, Jor example o stone a machlne to meqsure how loud o sound [s where somethlng comes Jrom o pole oJ o mognet the bones oJ the boch water in the gas phase (otso called woter vapour) an o[[oy oJ iron with smotl omounts oJ other metols such os chromium ond mongonese o musical lnstrument that you ptoy by vlbratlng strtngs o component thot con comptete or breah a clrcult signs oJ on [[[ness positlve or negotlve end oJ a ce[[ top port oJ the teg 34 40 62 q0 6 7 58 34 38 60 52 86 7 44 q0 64 76 16 73 8
iIi.riM: i. , ,, ,.n i1 to move Jrom one ploce to another a regutor pattern in o series oJ results olter a muslcol instrument so that [t [s ot correct pltch o votue or Jeoture thot can be varled i.n o o bone oJ the spi.ne to shoke verg quichl.y boch ond Jorth a verg smotl movement bochwo.rds and Jorwords the unlt oJ strength oJ e[ectri.clty the strength oJ electriclty how loud or soJt o sound is hole in the wotl thot [[nhs the plug on 52 23 the 64 test 23 7 56 56 80 80 60 $ 1-.. I : i-i i!=r ! .i:3 ! . ,l l";, i., ,.-..r t..n r ! r !-: 4:!,,t : .. :.-r:l -. . --- i.i. ., ., i:f :,.!i: :.-ri I r ) Ili l't !-: r 1'q! r, t : rdlei 1 :rar_ : on opplionce to the cobles going to the e[ectrlcltU source o mognet shaped lihe a wand materiol not requi.red by on lndlviduol or group on oreo where there growi.ng together o. mus[co[ lnstrument bg btowing photo thot lets us see lnslde our bodies ore lots oJ trees thot you ptog 82 B4 30 24 68 11
B+* _"r - il : 'frn -::* ' ",s'#t4i€fu,t1tu il 'ffi{ +. nf i*4 . .d ::::i:,r .$:-lt ;: jf .i*n6,!*$,:r..' ;dt Ef,il, # " . .*fJ f rffi ={x'::ir.t **' ' ,:-+.,, ]f f . f*'.- ;f. fl- ! ."f*'; ..-*r:' ,j ,. ,i J |J ,r-', .li I i-i"l.* f'. I f: -{ ,i .,".,,p. .,".*""j The outhors ond publisher ore groteful for the permissions gronted to reproduce copyright moteriols, While every effort hos been mode, it hos not olwoys been possible to identify the sources of oll the moteriols used,or to troce oll the copyright holders, lf ony omissions ore brought to our notice, we will be hoppy to include the oppropriote acknowledgements on reprinting The publisher is grotefulto the experienced teochers Monsooro Shooib Shoh, Lohore Grommor School,55 Moin, Gulberg, Lohore ond Lynne Ronsford for their coreful reviewing of the content. p.6/ lngolf Pompe/LOOK Die Bildogentur der Fotogrofen GmbH/ Alomy; p.6r Dovid Arky/ Tetro lmoges/ Alomy; p. 7 Mork Evons/ iStockphoto; p.9 ondydidyk/ iStockphoto; p. 'l1t Proisoeng/ Shutterstock; p. 1 1 b viloinecrevette/ iStockphoto: p.12 Seon Murphy/The lmoge Bonk/ Getty lmoges; p. l3 Ase/ Shuiterstock; p.14fr Grofissimo/ iStockphoio; p.lAblScience Museum/ Science & Society Picture Librory; p.lAbclpelvidge/ iStockphoto; p.1Abcr Stockbroker/MBl/Alomy; p.14br kovido/ iStockphoto;p.'16 Eye of Science/ Science Phoio Librory; p.21tlStudioSmort/ Shutterstock;p.28fc Neole Couslond/ Shutterstock; p.2\fr vtupinombo/ iStockphoto; p. 2Bbr Steve Shoup/ Shutterstock; p,30/fotostory/ Shutterstock; p.30rRichord Boker/ln Pictures/Corbis News/ Corbis; p. 31 sgtphoto/ iStockphoto; p. 32/ Hung Chung Chih/ Shutterstock: p.32r lnstryktor/ Shutterstock; p, 39 Chorles D. Winters/ Science Photo Librory; p.44flterekhov igor/ Shutterstock: p.44fr Aleksondrs Somuilovs/ Shutterstock; p.44bIim UR/ Shutterstock; p. 47l CinemoHopeDesign/ iStockphoto; p. 47r elenstudio/ Shutterstock; p. 48l Chorles D. Winters/ Science Photo Librory; p.4Br scuboluno/ Shutterstock; p.55 Denis Scott/Comet/ Corbis; p.56 Andrew Lombert Photogrophy/ Science Photo Librory; p.58f Ann ond Steve Toon/ Alomy; p,5Bb noluwon/ Shutterstock; p.59 ondreo crisonte/ Shutterstock; p.60 Dovid J. Green - technology/ Alomy; p.62lltim gortside/ Alomy; p 62c Blend lmoges/ SuperStock;p.62trWave Royolty Free/Design Pics lnc/ Alomy;p.62br Oleksiy Moksymenko/ Alomy; p. 64l Johon Swonepoel/ Shutterstock; p. 64r lvon Kuzmin/ Alomy; p. 66t Komi Komi/ o robionEye/ Getty lmoges; p.66blJose Luis Peloez lnc/Blend lmoges/ Alomy; p.66bc oge fotostock/ SuperStock; p.66br JeIf Greenberg333/ Alomyr p,67 Robert Hording Picture Librory/ SuperStock; p.69tllnspirestock lnc./ Alomy; p.6\fr Lynn Goil/Lonely Plonet lmoges/ Getty lmoges; p.6Bc LOOK Die Bildogentur der Fotogrofen GmbH/ Alomy; p.69blJohn Londer Photogrophy/ AIomy; p. 68brTrovel Pix/Toxi/ Getty lmoges; p. 73 Tjonze/ iStockphoto: p.TAflBrooklin/ Shutterstock; p.7Afr inbj/ iStockphoto; p.TAblMortyn F. Chillmoid/ Science Photo Librory; p.74br iStockphoto/Thinkstock; p. B0/ Djopemon/ iStockphoto; p. BOfr Kim Toylor ond Jone Burton/Dorling Kindersley/ Getiy lmoges; p. B0br Bob Mowby/ Shutterstock; p. B2l leungchopon/ Shutterstock; p. B2rVioppy/ Shutterstock; p 83 Monkey Business lmoges/ Shutterstock; p, B4l lvoncovlod/ Shutterstock; p, 84clAndre Adoms/ Shutterstock; p. 84crTEK lmoge/Science Photo Librory/ Alomy; p. B4r Andrew Lombert/Leslie Gorlond Picture Librory/ Alomy; p. 85 John Birdsoll/ Alomy; p. 9Of/ DJ Srki/ Shutterstock: p,9Ofr ivonostor/ iStockphoto; p.90c/ Fernondo Jose V Soores/ Shutterstock; p.9OcrTed Foxx/ Alomy; p,9Oblventurecx/ iStockphoto: p.9Obr Ross Froser/ Alomy; p. 91 worrodirek/ Shutterstock Cover ortwork: Bill Bolton /= left, r= nght, f = top, b = bottom, c = centre fl1 ti i:ryr : trF {, -{r1 ; f3 . . I +lr r+ij' '-*+rr .i .J' .: ...+1r ",i ,i .l ,*1i
Combrldge Primory Science is o ftexibl.e, engoging course written '.!.,:. specifico[ty for the Combridge Primory Science curricutum fromework (Stoges 1-6). The course offers p[enty of teoching ideos to give ftexibi[ity, ottowing teochers to setect octivities most oppropriote to their clossroom ond pupits. An enqulrybosed styte of teoching ond leorning is stimutoted, with the Scientific Enquiry objectives integroted throughout to encouroge leorning of these skitts otongside the scientific concepts. The [onguoge [eve[ is corefutty pitched to be occessible to EAL/ESL leorners, with concepts ittustroted through diogroms to otlow visuoI understonding ond [eorning. This Leorner's Book for Stoge 4 covers ot[ the objectives required by the curricutum fromework in on engoging ond visuotly stimutoting monner. The Leorner's Book contoins: usefuI ittustrotions thot exptoin concepts to hetp visuo[ leorners ond those with lower Iiterocy octivities to develop Scientlfic Enquiry ski[ts ond support leorning through discovery key vocobulory pointed out os 'Words to Leorn'throughout 'Totk obout lt!'feotures thot glve suggestions f or c[ossroom discussion key Leorning points given os 'Whot you hove Leornt'summories ot the end of eoch unit, 'Check your progress' questions thot offer opportunity for ossessment. Other components of Combridge Primory Science 4: Activity Book 4 ISB N : 978-'l -1 07-65665-9 Completely Cambridge Cambridge resources ror Cambridge qualifications Combridge University Press works with Combridge lnternotionoI Exominotions ond experienced outhors, to produce high-quoLity endorsed textbooks ond softwore thot support Combridge Teochers ond encouroge Combridge Leorners. Teocher's Resource 4 ISBN: 978-1-107-66151-6 For our f u[t ronge of Combridge Primory titles, inctuding Mothemotics, Engtish ond GtoboI Engtish, visit educotion.combridge.org/combridgeprimory @ @ *e.. ISBN 978-1 -1 07 -67 450-9 ilil ilililffi|il| I lllllllllll g tt7 91107tt57 451gtt>