bahan latih tubi section b

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    Bahan latih tubi Section B

    1. The graph below shows the changes in the percentage of fungi.Graf dibawah menunjukkan peratus perubahan kulat.

    a. Based on the investigation, state two information.

    Berdasarkan penyiasatan, nyatakan dua maklumat

    1. ..

    2. ..

    b. Based on the observation above, give one reason for the changes of the percentage

    of fungi growth.

    Berdasarkan pemerhatian diatas, berikan satu sebab tentang perubahan peratus

    pertumbuhan kulat.

    ....

    ....

    c. What is the trend of the percentage of fungi growth in this investigation ?

    Apakah corak peratus pertumbuhan kulat didalam penyiasatan ini.

    ..

    d. What can you conclude based on this investigation ?

    Apakah kesimpulan yang dapat dibuat berdasarkan penyiasatan ?

    ..,

    ...

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    2. The picture below shows three pulley systems used to lift a load.Gambarajah dibawah menunjukkan tiga buah system takal yang digunakanuntuk mengangkat beban.

    (a) In this investigation,

    Didalam penyiasatan ini,

    i. what did you change?

    Apakah yang dimanipulasikan

    ii. what did you measure?

    Apakah pembolehubah bergerak balas ?

    (b) What is the aim of this investigation?

    Apakah tujuan penyiasatan ini?

    (c) If four pulleys are used to lift the load, predict the force that need to be applied.

    Jika empat buah takal digunakan untuk mengangkat beban, ramalkan daya yang

    diperlukan

    (d) Draw a conclusion for the investigation?

    Tuliskan satu kesimpulan untuk penyiasatan ini ?

    18

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    3. Table below shows the amount of waste thrown by a market from year 2006 to2010.

    Jadual dibawah menunjukkan jumlah bahan buangan yang dikeluarkan oleh sebuahpasar dari tahun 2006 hingga 2010.

    YearTahun

    2006 2007 2008 2009 2010

    Mass of waste ( kg )Berat bahan buangan ( kg )

    600 620 640 680 700

    a) What is the aim of the investigation ?

    Apakah tujuan penyiasatan ini ?

    b) What conclusion can be made from this investigation ?Apakah kesimpulan yang boleh dibuat daripada penyiasatan ini ?

    c) Predict amount of waste produces in the year 2012

    Ramalkan jumlah bahan buangan yang dihasilkan pada tahun 2012

    d) What is kept the same ?

    Apakah pembolehubah yang dimalarkan ?

    The amount of waste thrown by a market affected the cleanliness of the

    market.

    Jumlah bahan buangan yang dikeluarkan oleh pasar member keasan

    kepada kebersihannya

    e) Make one relationship base on the above statement.

    Buat satu hubungan berdasarkan pernyataan diatas.

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    An investigation was carried out about the basic needs of animals as shown in the

    diagram below.Suatu penyiasatan telah dijalankan mengenai keperluan asas haiwan sepertiyang ditunjukkan dalam gambarajah dibawah

    a) State :i. What to change ? Pembolehubah dimanipulasikan ?

    ___________________________________________________________ii. What to observe // Pembolehubah bergerak balas

    ___________________________________________________________iii. Kept the same // pemboleh ubah dimalarkan

    ___________________________________________________________b) What is the aim of investigation ?

    Apakah tujuan penyiasatan ini ?

    c) Write one observation based on this investigation.Tuliskan satu pemerhatian berdasarkan penyiasatan ini.

    d) Give a reason for your answer in (c).Berikan satu sebab berdasarkan jawapan anda di (c).

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    e) Write one conclusion based on investigation.

    Tuliskan satu kesimpulan berdasarkan penyiasatan

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    Skema jawapan

    1 (a) Stored temperature / Suhu penyimpananPercentage of fungi growth / Peratus pertumbuhan kulat

    (b) Fungi grow well at 27 and 30 because suitable temperature for microorganismgrow. // kerana suhu yang sesuai untuk pertumbuhan mikroorganisma

    (c) Increase, constant // unchanged// same, decrease

    (d) Microorganism grow well at 27 and 30

    2. (a) i The number of pulley / Bilangan takalIi Force / energy needed to lift the load / daya // tenaga yang diperlukan untuk

    mengangkat beban(b) To investigate the relationship between the number of pulley and force needed to

    lift the load(c) 6N(d) The number of pulley increase, force needed to lift the load decrease // vice verse

    3. (a) To investigate the relationship between number of year and mass of waste

    (b) The number of year increase, the mass of waste increase(c) 740kg(d) place of investigation(e) The amount of waste thrown by a market increase, the cleanliness of the market

    Decrease // vice verse

    4.(a) To investigate the relationship between presence of air and condition ofgrasshopper.

    (b) Presence of air// condition of grasshopper // types of animal(c) The grasshopper in test tube P will die //The grasshopper in test tube Q stay alive(d) because did not get air/ because cannot breathe // because get air / because can

    Breathe(e) The size of the airtight container increase, the time for the animal to stay alive

    increase // vice verse