Form 4 Science -Chapter 7

Embed Size (px)

Citation preview

  • 7/25/2019 Form 4 Science -Chapter 7

    1/26

  • 7/25/2019 Form 4 Science -Chapter 7

    2/26

  • 7/25/2019 Form 4 Science -Chapter 7

    3/26

  • 7/25/2019 Form 4 Science -Chapter 7

    4/26

    HOLIis the festival of colour

    celebrated in India

    -- a festival that celebrates the

    victory of good over evil and acelebration of the arrival ofspring and harvests to come.

    -- its the festival of colours,emotions, and happiness.

  • 7/25/2019 Form 4 Science -Chapter 7

    5/26

    PIGMENTS

  • 7/25/2019 Form 4 Science -Chapter 7

    6/26

    Learning outcomes: state what pigment is,

    list the uses of pigments,

    state the eect of mixingpigments to producesecondary colour,

    list the uses of colour in dailylife,

    state with examples theimportance of colour to livingthings,

    ustif the im ortance of colour

  • 7/25/2019 Form 4 Science -Chapter 7

    7/26

    PIGM!"# $% &I! #'LI(P$%"I)L# "*$" P%'(+))'L'+%# $#'%I!G #'M

    )'L'+%# $!( %&L)"I!G'"*%#

    M'#" PIGM!"# $% IMP+% %&L)" $ MI/"+% '&(I&&%!" )'L'+%#

    What are Pigments?

  • 7/25/2019 Form 4 Science -Chapter 7

    8/26

    *!!$-PL$!"-%((I#* %'0!

    -( "* &I!G%# '& "*%I(

    )'$L" P*'#P*$"-MI!%$L-L+-P$I!"#

    USS !" P#$%&'S

  • 7/25/2019 Form 4 Science -Chapter 7

    9/26

    P$!($! L$1#2#)%0PI!PL$!"#3

    -PL$!"-G%!-)'L'+%I!G I! &''(

  • 7/25/2019 Form 4 Science -Chapter 7

    10/26

    )'#M"I)#

  • 7/25/2019 Form 4 Science -Chapter 7

    11/26

  • 7/25/2019 Form 4 Science -Chapter 7

    12/26

  • 7/25/2019 Form 4 Science -Chapter 7

    13/26

  • 7/25/2019 Form 4 Science -Chapter 7

    14/26

    )'#M"I)#

  • 7/25/2019 Form 4 Science -Chapter 7

    15/26

    P%IM$% )'L'+%#:lue,ello4, %ed

    #)'!($% )'L'+%#:Green, Magenta, 'range

  • 7/25/2019 Form 4 Science -Chapter 7

    16/26

    %ixing primary coloursof pigment

  • 7/25/2019 Form 4 Science -Chapter 7

    17/26

    +## '& )'L'+% I! ($IL LI&

    "he uses of colour in our dailylife are as follo4s :2a3 printing

    2c3 tra5c lights

    2b3 electrical 4iring2d3 symbols and lights

  • 7/25/2019 Form 4 Science -Chapter 7

    18/26

    P%I!"I!G

    6 colour pictures are printed byusing four colours yello4,magenta, cyan, and blac7 on

    separate plates.

    6 the blac7 colour is used to ma7e

    the picture appears sharp andclearer

  • 7/25/2019 Form 4 Science -Chapter 7

    19/26

    #tage 8 "he image is printed

    4ith yello4 follo4ed bymagenta.

    #tage 9 "he product of #tage 8is printed 4ith cyan.

    #tage &inally, the picture isprinted 4ith blac7 to ma7e thepicture clear.

  • 7/25/2019 Form 4 Science -Chapter 7

    20/26

    (olour coding

    6 the international colour code isused in the 4iring of three-pinplugs.

    6 live 4ire is bro4nish or red incolour6 neutral 4ire is blue

    6 earth 4ire is yello4 4ith greenstripes or ;ust green in colour

  • 7/25/2019 Form 4 Science -Chapter 7

    21/26

  • 7/25/2019 Form 4 Science -Chapter 7

    22/26

    ')*""#( +#$'S

    6 a tra5c light consists of red,yello4, and green lamps.6 each colour represents a

    certain signal.

  • 7/25/2019 Form 4 Science -Chapter 7

    23/26

  • 7/25/2019 Form 4 Science -Chapter 7

    24/26

    S-%!+S *&/ S#$&*+S6 the red light of an ambulance

    indicates an emergency.6 the yello4 line by the roadsideindicates a no-par7ing area.

    6 the 4hite line in the middle of theroad separates the left and rightlanes of the road.

    6 the t4o 4hite lines in the middle ofthe road indicate that no overta7ing ispermitted.

  • 7/25/2019 Form 4 Science -Chapter 7

    25/26

  • 7/25/2019 Form 4 Science -Chapter 7

    26/26