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SCIENCE YEAR 5 (MATERIALS / BAHAN)

Meja tulis             Sarung tangan cuci     Pinggan makan             Cincin ibu          Tayar kereta
Beg plastik            Tisu muka              Belon                     Pembaris plastik    Botol kicap
Gunting baju           Bakul sampah           Selipar                   Kerusi belajar      Paku dinding
Cermin tandas          Piala sukan            Mangkuk kuah              Buku                Botol mineral


1. Lukiskankan bahan-bahan di atas mengikut pengkelasan yang sesuai ke dalam jadual di bawah.

    Bahan                                                     Contoh

    Wood
    (Kayu)




    Plastic




    Metal
   (Logam)




     Glass
    (Kaca)




   Rubber
   (Getah)




2. Tandakan (/) pada objek yang mempunyai ciri yang sesuai.

         Objek   Pembaris       Sudu                                               Gelang   Pinggan
                                            Kapas       Kertas         Syiling                          Gabus
Ciri               kayu        logam                                               getah      kaca
  Mengalirkan
   elektrik
 Penebat haba
  (Insulators)
   Terapung
   dalam air

 Boleh digilap

 Menyerap air

 Cahaya boleh
  melaluinya
3. Suaikan ciri bahan berikut berkenaan cahaya dengan perkataan yang sewajarnya.

     Transparent
                                                      A      Membenarkan sebahagian cahaya melaluinya
      (Lut sinar)
     Translucent
                                                      B         Tidak membenarkan cahaya melaluinya
     (Lut cahaya)
       Opaque
                                                      C             Membenarkan cahaya melaluinya
        (Legap)


4. Bulatkan objek yang boleh berkarat di bawah ini.




5. Eksperimen di bawah bertujuan untuk mengkaji faktor pengkaratan. Paku manakah yang akan berkarat?


                                                                                    Jawapan :

                                                                                    ………………………………………




6. Apakah dua faktor penting yang menyebabkan besi menjadi karat?

 i. ………………………………………………………………                     ii. ……………………………………………………………………..



7. Kaedah manakah yang boleh menghalang pengkaratan berlaku? Tandakan (/) pada jawapan yang betul.

      Mengecat pagar rumah
      Merendam bahan besi di dalam air
      Meletakkan gris pada engsel pintu
      Melindungi dengan bahan tak karat seperti kertas gris, emas dan aluminium

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Y5 materials

  • 1. SCIENCE YEAR 5 (MATERIALS / BAHAN) Meja tulis Sarung tangan cuci Pinggan makan Cincin ibu Tayar kereta Beg plastik Tisu muka Belon Pembaris plastik Botol kicap Gunting baju Bakul sampah Selipar Kerusi belajar Paku dinding Cermin tandas Piala sukan Mangkuk kuah Buku Botol mineral 1. Lukiskankan bahan-bahan di atas mengikut pengkelasan yang sesuai ke dalam jadual di bawah. Bahan Contoh Wood (Kayu) Plastic Metal (Logam) Glass (Kaca) Rubber (Getah) 2. Tandakan (/) pada objek yang mempunyai ciri yang sesuai. Objek Pembaris Sudu Gelang Pinggan Kapas Kertas Syiling Gabus Ciri kayu logam getah kaca Mengalirkan elektrik Penebat haba (Insulators) Terapung dalam air Boleh digilap Menyerap air Cahaya boleh melaluinya
  • 2. 3. Suaikan ciri bahan berikut berkenaan cahaya dengan perkataan yang sewajarnya. Transparent A Membenarkan sebahagian cahaya melaluinya (Lut sinar) Translucent B Tidak membenarkan cahaya melaluinya (Lut cahaya) Opaque C Membenarkan cahaya melaluinya (Legap) 4. Bulatkan objek yang boleh berkarat di bawah ini. 5. Eksperimen di bawah bertujuan untuk mengkaji faktor pengkaratan. Paku manakah yang akan berkarat? Jawapan : ……………………………………… 6. Apakah dua faktor penting yang menyebabkan besi menjadi karat? i. ……………………………………………………………… ii. …………………………………………………………………….. 7. Kaedah manakah yang boleh menghalang pengkaratan berlaku? Tandakan (/) pada jawapan yang betul. Mengecat pagar rumah Merendam bahan besi di dalam air Meletakkan gris pada engsel pintu Melindungi dengan bahan tak karat seperti kertas gris, emas dan aluminium