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      SAINS T2

    MATA PELAJARAN : SAINS TINGATAN 2

    1. Figure 1 shows a ray of light traveling through different mediums, X and Y.

     Rajah 1 menunjukkan sinar cahaya melalui bahan yang berlainan, X dan Y.

    21

    (a) Name the phenomenon that is shown in Figure .1. Namakan fenomena yang ditunjukkan dalam rajah .1

     ____________________________________________________________ 1 mark !

    (") #a"el the following on Figure 1

     Labelkan pada rajah 1

    $ngle of in%iden%e & sudut tu'u $ngle of refra%tion & sudut pem"iasan

    2 marks!

    (%)(i) hi%h is denser, medium X or medium Y Yang mana lebih tumpat di antara X atau Y  

      ___________________________________________________________ 1 mark !

      (ii) *+plain your answer in (%)(i). Terangkan jaapan anda dalam ! c " ! i " 

     ______________________________________________________________ 

     

     ______________________________________________________________ 1 mark !

    (d) n Figure "elow, draw the ray of light as it passes through two different mediums.

     #ada rajah dibaah lukis sinar cahaya yang melalui dua medium yang berlainan 

    Medium X Medium Y

    FIGURE 1/RAJAH11 1

    Incident ray

    Refracted ray

    air

     water

    (i)

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      SAINS T2

    - marks!

     (a) ive one e+ample of a natural phenomenon involving refra%tion of light.

     $erikan satu contoh fenomena semuladi yang melibatkan pembiasan cahaya

     ____________________________________________________________ 

      _____________________________________________________________ 1 mark !

    2 . Figure 2 shows the sour%es of three %lasses of food, /, 0 and .

       Rajah % menunjukkan sumber&sumber bagi tiga kelas makanan #,' dan R

    / 0  

    FIGURE 2/ RAJAH 2

    (a) n Figure 2, la"el /, 0 and with the following words.

     #ada rajah 1(, labelkan #, ' dan R dengan perkataan berikut

    ar"ohydrates

     )arbohidrat 

    /rotein

     #rotein

    3itamins

    *itamin

    glass

    air

    (ii)

    (iii)

    air

    glass

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      SAINS T2

    (") 4raw lines to show the %orre%t mat%h "etween the %lasses of food and their fun%tions.4raw the lines

    as shown "elow.

     #adankan kelas makanan dengan fungsinya dengan melukis garis seperti yang ditunjukkan

    lasses of food Fun%tion

     

    2 marks!

    - . Figure - shows pi%tures of three types of relationships "etween organisms in a parti%ular ha"itat.

     Rajah + menunjukkan gambar tiga jenis hubungan antara organisma dalam habitat tertentu

    /i%ture 1 /i%ture 2 /i%ture -

    FIGURE 3 / RAJAH 3

    (a) n figure -, la"el the type of intera%tion for ea%h pi%ture using the following words.

     #ada rajah +, labelkan jenis interaksi menggunakan perkataan berikut

    5utualism

     utualusme

    /rey6predator 

     angsaemangsa

    /arasitism

     #arasitisme

    - marks!

    Snake

    Frog

    Nodule RhizobiumLarge intestine

    Tape worm

    P

    Q

    RBuild body tissues and repair worn out tissues /

    membina tisu dan membaii tisu yg rosa

    Pro!ide energy / membeal tenaga

    "eep t#e body warm / memanasan badan

    Maintain a #ealt#y body /mengealan esi#atan badan

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    (") 7tate the intera%tion that "enefits "oth organisms.

       Nyatakan kebaikan interaksi di antara kedua&dua organisma

     ____________________________________________________________ 1 mark !

    (%) hi%h of the intera%tions %an "e used in "iologi%al %ontrol

      Yang manakah interaksi yang boleh digunakan sebagai kaalan biologi -

     _____________________________________________________________ 1 mark !

    8. Figure 8 shows a type of lever.

       Rajah menunjukkan sejenis tuas.

     

    F9:* 8& R/0/

    (a) #a"el the following words on Figure 8.

      Labelkan perkataan&perkataan berikut pada Rajah

    *ffort& 2aya #oad& $eban Ful%rum& 3ulkrum

    + mar;s!

    (")(i) 7tate the %lass of the lever shown in Figure 8

     Nyata;an ;elas tuas pada a'ah 8

     ______________________________________________________________ 1 mar;!

      (ii) ive one reason for your answer in (")(i).

     

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      SAINS T2

    (") Figure = shows 4aniel and $my on a see6saw.

     Rajah ( menunjukkan 2aniel dan /my di atas jongkang&jongkit 

     

    F9:* =& R/0/ (

    (i) 9f the see6saw is in e>uili"rium, who has a "igger mass

     0ika jongkang 4jongkit dalam keseimbangan,siapakah yang mempunyai jisim yang lebih

    besar -

     ______________________________________________________________ 1 mar;!

      (ii) *+plain your answer in (%)(i).

      Terangkan jaapan anda dalam ! c "! i "

      ______________________________________________________________ 

      ______________________________________________________________ 1 mar;!

    (a)

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      SAINS T2