WorksheetsScience F.5
Total questions: 21
Worksheet time: 14mins
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
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
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
What is the speed of a runner who runs 400 meters in 40 seconds?
10 meters/second
40 meters/second
100 meters/second
1,600 meters/second
A roller coasters accelerates from an initial speed of 6.0 m/s to a final speed of 70 m/s over 4 seconds. What's the acceleration?
24 m/s2
18 m/s2
16 m/s2
16 m/s
When an acid is added to latex, the latex will
soft
hard
coagulate
no coagulate
Vulcanised rubber has ( ) atoms forming cross-links with the rubber molecules?
silicate
silicon
sulphur
sulphur dioxide
Diagram shows the experiment to study the inertia.
Choose the correct manipulated variable.
Rajah menunjukkan eksperiment mengkaji inersia. Pilih pembolehubah dimanipulasikan yang betul.
Length of string
Panjang tali
The mass of tin
Jisim tin
The duration of time
Jangka masa
The type of sand
Jenis pasir
The diagram shows the experiment to study the inertia. Choose the correct constant variable.
Rajah menunjukkan eksperimen mengkaji inersia. Pilih pembolehubah dimalarkan yang betul.
The length of string
Panjang tali
The time taken for the tin to stop swing
Masa yang diambil untuk tin berhenti berayun
The mass of tin
Jisim tin
The colour of tin
Warna tin
Define the correct responding variable for above experiment.
Kenalpasti pembolehubah bergerakbalas yang betul dalam eksperimen di atas.
The distance of object from the pinhole camera
Jarak objek dengan kamera lubang jarum
The size of pinhole camera
Saiz kamera lubang jarum
The size of image
Saiz imej
The size of object
Saiz objek
Study above diagram. What is suitable hypothesis?
Kaji rajah di atas. Apakah hipotesis yang sesuai.
The size of object is bigger when the size of image is greater.
Saiz objek adalah besar apabila saiz imejnya besar.
If the distance of object from the pinhole camera is lesser, then the size of image will be bigger
Jika jarak objek dari kamera lubang jarum dekat, maka saiz imej adalah lebih besar
The size of image is depends on the size of object
Saiz imej bergantung kepada saiz objek
The distance of object from pinhole camera influence the size of image formed.
Jarak objek dari kamera lubang jarum akan mempengaruhi saiz imej yang terbentuk
Study above diagram. What can you observe?
Kaji rajah di atas. Apakah yang dapat anda perhatikan?
The size of object is bigger when the size of image is greater.
Saiz objek adalah besar apabila saiz imejnya besar.
If the distance of object from the pinhole camera is lesser, then the size of image will be bigger
Jika jarak objek dari kamera lubang jarum dekat, maka saiz imej adalah lebih besar
The size of image is bigger when the object is nearer to the pinhole camera
Saiz imej adalah besar apabila objeknya dekat dengan kamera lubang jarum
The distance of object from pinhole camera influence the size of image formed.
Jarak objek dari kamera lubang jarum akan mempengaruhi saiz imej yang terbentuk
