Worksheetschapter 7&8 science form 5
Total questions: 14
Worksheet time: 11mins
Which of the following substance is a synthetic polymer?
Antara bahan berikut, yang manakah polimer sintetik?
Polyvinyl chloride
Polivinil klorida
Isoprena
Isoprena
Protein
Protein
Cellulose
Selulosa
The diagram below shows a process in the production of a synthetic material.
Rajah di bawah menunjukkan suatu proses penghasilan bahan sintetik
What is P ?
Apakah P ?
Esterification
Pengesteran
Polymerisation
Pempolimeran
Vulcanisation
Pemvulkanan
Depolymerisation
Penyahpolimeran
Which of the following materials is most suitable to be used in making car bumpers?
Antara bahan yang berikut, yang manakah sesuai digunakan untuk membuat bampar kereta?
Perspex
Perspeks
Bakelite
Bakelit
Polythene
Politena
Polyvinyl chloride
Polivinil klorida
Which of the following is a monomer of polythene?
Antara yang berikut yang manakah monomer bagi politena?
Styrene
Stirena
Chloroethene
Kloroetena
Neoprene
Neoprena
Ethene
Etena
The diagram below shows the structure of a type of plastic.
Rajah di bawah menunjukkan struktur sejenis plastik.
What is the characteristic of the plastic?
Apakah ciri-ciri plastik itu?
Can be recycled
Boleh dikitar semula
Not heat resistant
Tidak tahan haba
Can be remoulded
Boleh diacu semula
Hard and strong
Keras dan kuat
Which of the following is thermosetting plastic?
Antara yang berikut, yang manakah plastik termoset?
Polyvinyl chloride (PVC)
Polivinil klorida
Polythene
Politena
Perspex
Perspeks
Polystyrene
Polistirena
The diagram shows a wave form.
Gambar rajah menunjukkan suatu bentuk gelombang.
What is the wave length of the wave?
Berapakah panjang gelombang bagi gelombang tersebut?
10m
20m
5m
40m
Which propagation wave has the highest frequency?
Perambatan gelombang yang manakah mempunyai frekuensi paling tinggi?
Diagram 5 shows a graph of displacement against distance of a wave. Which of the following A, B, C or D represents the wave length of the wave?
Rajah 5 menunjukkan graf sesaran melawan jarak bagi suatu gelombang. Antara A, B, C dan D, yang manakah mewakili panjang gelombang bagi gelombang itu?
A
B
C
D
What is the function of the microphone in a radio transmitter?
Apakah fungsi mikrofon dalam sebuah pemancar radio?
Receives radio waves
Menerima gelombang radio
Generates radio waves
Menjanakan gelombang radio
Converts sound waves to electrical signals
Mengubah gelombang bunyi ke isyarat elektrik
Combines carrier waves and sound signals
Menggabungkan gelombang pembawa dan isyarat bunyi
A radio could not receive a broadcast clearly. Which part of the radio receiver should be modified?
Sebuah radio tidak dapat menerima siaran dengan jelas. Bahagian manakah pada penerima radio itu yang mesti diubahsuai?
Diode
Diod
Speaker
Pembesar suara
Aerial
Aerial
Transistor
Transistor
Which of the following is true about communication satellites?
Antara yang berikut, yang manakah benar tentang satelit komunikasi?
Located outside the Earth's orbit
Terletak di luar orbit Bumi
Obtains energy from the Earth's satellite station
Memperoleh tenaga daripada stesen satelit Bumi
Three satellites are needed for worldwide communication
Tiga satelit diperlukan untuk komunikasi seluruh dunia
Makes one complete orbit around the Earth in one month
Membuat satu edaran lengkap mengelilingi Bumi dalam satu bulatan
Which device is involved in information and communication technology?
Alat manakah yang terlibat dalam teknologi maklumat dan perhubungan?
Satellite
Satelit
Compass
Kompas
Calculator
Kalkulator
Speedometer
Meter laju
Which of the following satellites is Malaysia`s microsatellites ?
Antara satelit berikut, yang manakah adalah mikrosatelit Malaysia ?
MEASAT 1
MEASAT 2
MEASAT 3
TiungSAT-1
