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WorksheetsSCIENCE FORM 3 Revision 1
Total questions: 50
Worksheet time: 25mins
Does a simple organism have a specific transport system?
Adakah organisma ringkas mempunyai sistem pengangkutan yang khusus?
YES/YA
NO/TIDAK
Name the process of transporting necessary substances of the cells and excretory products through the cell membrane.
Namakan proses pengangkutan bahan keperluan sel dan hasil kumuh melalui membran sel.
Transportation/Pengangkutan
Diffussion/Resapan
Respiration/Respirasi
What is the function of the heart?
Apakah fungsi jantung?
To pump blood to all parts of the body
Mengepam darah ke seluruh badan
To pump blood to upper parts of the body
Mengepam darah ke bahagian atas badan
To pump blood to lower parts of the body
Mengepam darah ke bahagian bawah badan
What is the structure of the heart which allow the blood to flow in only one direction?
Apakah struktur jantung yang membenarkan pengaliran darah dalam satu arah sahaja?
aorta/aorta
atrium/atrium
ventricle/ventrikel
valve/injap
What is the function of the artery?
Apakah fungsi bagi arteri?
Connects the arteries to the veins and the place of exchange of substances between the cells
Menghubungkan arteri dengan vena dan tempat pertukaran bahan antara sel
Transports oxygenated blood out of the heart except the pulmonary arteri
Mengangkut darah beroksigen keluar dari jantung kecuali arteri pulmonari
Transports deoxygenated blood into the heart except the pulmonary vein
Mengangkut darah terdeoksigen ke jantung kecuali vena pulmonari
Wha is the function of the vein?
Apakah fungsi bagi vena?
Connects the arteries to the veins and the place of exchange of substances between the cells
Menghubungkan arteri dengan vena dan tempat pertukaran bahan antara sel
Transports oxygenated blood out of the heart except the pulmonary arteri
Mengangkut darah beroksigen keluar dari jantung kecuali arteri pulmonari
Transports deoxygenated blood into the heart except the pulmonary vein
Mengangkut darah terdeoksigen ke jantung kecuali vena pulmonari
What is the function of the capillary?
Apakah fungsi bagi kapilari?
Connects the arteries to the veins and the place of exchange of substances between the cells
Menghubungkan arteri dengan vena dan tempat pertukaran bahan antara sel
Transports oxygenated blood out of the heart except the pulmonary arteri
Mengangkut darah beroksigen keluar dari jantung kecuali arteri pulmonari
Transports deoxygenated blood into the heart except the pulmonary vein
Mengangkut darah terdeoksigen ke jantung kecuali vena pulmonari
State the type of blood transported by pulmonary artery.
Nyatakan jenis darah yang diangkut oleh arteri pulmonari.
Oxygenated blood/Darah beroksigen
Deoxygenated blood/Darah terdeoksigen
What is the type of circulation based on the diagram above?
Apakah jenis peredaran berdasarkan rajah di atas?
pulmonary circulation/peredaran pulmonari
systemic circulation/peredaran sistemik
What is the type of circulation based on the diagram above?
Apakah jenis peredaran berdasarkan rajah di atas?
pulmonary circulation/peredaran pulmonari
systemic circulation/peredaran sistemik
Mark TWO roles of the blood circulatory system in the transport of substances.
Tandakan DUA peranan sistem peredaran darah dalam pengangkutan bahan.
Transports oxygen and nutrients to the body cells
Mengangkut oksigen dan nutrien ke sel badan
Transports waste products such as carbon dioxide and urea from the body cells to be excreted
Mengangkut bahan buangan seperti karbon dioksida dan urea dari sel badan untuk disingkirkan
Transport chemicals such as enzymes and hormones
Mengangkut bahan kimia seperti enzim dan hormon
The following is the blood circulatory systems of fish. Identify the number of atria and ventricles.
Berikut merupakan sistem peredaran darah bagi ikan. Kenal pasti bilangan atrium dan ventrikel.
1 atrium/atrium & 1 ventricle/ventrikel
2 atrium/atrium & 1 ventricle/ventrikel
2 atrium/atrium & 2 ventricle/ventrikel
The following is the blood circulatory systems of human, mammal and bird. Identify the number of atria and ventricles.
Berikut merupakan sistem peredaran darah bagi manusia, mamalia dan burung. Kenal pasti bilangan atrium dan ventrikel.
1 atrium/atrium & 1 ventricle/ventrikel
2 atrium/atrium & 1 ventricle/ventrikel
2 atrium/atrium & 2 ventricle/ventrikel
Mark FOUR other constituents of the blood.
Tandakan EMPAT kandungan lain darah.
hormone/hormon
antibody/antibodi
nutrient/nutrien
starch/kanji
enzyme/enzim
Who are the specialists that study the components, contents and diseases associated with the human blood?
Siapakah pakar perubatan yang mengkaji komponen, kandungan dan penyakit yang berkaitan dengan darah manusia?
Pharmacists/Ahli farmasi
Microbiologists/Ahli mikrobiologi
Haematologists/Ahli hematologi
Physiologists/Ahli fisiologi
Choose FOUR correct factors affecting the rate of transpiration.
Pilih EMPAT faktor yang mempengaruhi kadar transpirasi.
temperature/suhu
air humidity/kelembapan udara
surface area/luas permukaan
wind/angin
light intensity/keamatan cahaya
State the function of phloem.
Nyatakan fungsi bagi floem.
To transport food
Mengangkut makanan
To transport water and mineral salts
Mengangkut air dan garam mineral
State the function of xylem.
Nyatakan fungsi bagi xilem.
To transport food
Mengangkut makanan
To transport water and mineral salts
Mengangkut air dan garam mineral
Diagram 3 shows the stem of a ringed plant. Why does the part labelled K is swollen?
Rajah 3 menunjukkan batang suatu tumbuhan yang telah digelangkan. Mengapakah bahagian bertanda K membengkak?
The exposed part has been infected.
Bahagian yang terdedah dijangkiti kuman.
Water from the leaves is collected at the part.
Air daripada daun terkumpul di bahagian itu.
Food acumulates in that part.
Makanan terkumpul di bahagian itu.
The xilem of the stem has been removed.
Xilem pada batang itu telah dibuang.
Does a simple organism have a specific transport system?
Adakah organisma ringkas mempunyai sistem pengangkutan yang khusus?
YES/YA
NO/TIDAK
Reactivity of metal towards oxygen increases down the reactivity series of metal diagram
True
False
In a vigorous reaction between a more reactive metal such as magnesium and oxygen, a bright flame is observed
True
False
In a less vigorous reaction between a less reactive metal such as iron and oxygen, only a glow or slow change in colour is observed
True
False
Magnesium is more reactive towards oxygen compared to
Calcium
Zinc
Sodium
Potassium
If carbon can remove oxygen from a metal oxide, it means carbon is ___________ reactive than the metal.
more
less
The most reactive metal in the reactivity series of metals is ______________.
Calcium
Potassium
Magnesium
Aluminium
What are the two non-metal elements that are included in the reactivity series of metals?
Calcium
Carbon
Sodium
Hydrogen
Choose the correct sequence.
.............. , ............ , .........
----------------------------------->
Reactivity towards oxygen increases
Silver , Copper , Tin
Iron , Lead , Mercury
Magnesium , Aluminium , Calcium
Iron , Carbon , Lead
What will happened when lead oxide react with hydrogen?
Lead oxide burns brightly
Yellow powder turns shiny grey
Lead is produced
All of the above
Based on the diagram, what is the function of anhydrous calcium chloride in the experiment?
To absorb water vapour so that dry hydrogen will be produced
To supply hydrogen gas
To separate the metals
To release heat for combustion
The diagram shows a setup apparatus for an experiment. What is the aim of the experiment?
To determine the position of carbon in the reactivity series of metals
To determine the position of hydrogen in the reactivity series of metals
To observe the reactivity of metals with carbon dioxide
To observe the reactivity of metals with water
Based on the following diagram, what is the function of potassium manganate (VII) crystals in this experiment?
To supply oxygen
To avoid the metals to mix with each other
To release heat
To give out water vapour
Write the word equation between metal and oxygen.
Metal + Oxygen Metal oxide
Metal + Oxygen Metal oxygen
Metal + Oxygen = Metal oxide
Metal + Oxygen = Metal oxygen
Write the word equation between metal oxide and carbon.
Metal oxide + Carbon Metal + Carbon dioxide
Metal oxide + Carbon Metal oxide
Metal oxide + Carbon Metal + Water + Carbon dioxide
Metal oxide + Carbon Metal oxide + Carbon dioxide
Write the word equation between metal oxide and carbon.
Metal oxide + Carbon Metal + Carbon dioxide
Metal oxide + Carbon Metal oxide
Metal oxide + Carbon Metal + Water + Carbon dioxide
Metal oxide + Carbon Metal oxide + Carbon dioxide
Write the word equation between metal oxide and hydrogen.
Metal oxide + Hydrogen Metal + Water
Metal oxide + Hydrogen Metal hydroxide
Metal oxide + Hydrogen Metal + Water + Carbon dioxide
Metal oxide + Hydrogen Metal oxide + Water
Which reaction explains about exothermic reaction?
Heat is absorbed from the surroundings
Surrounding temperature increases
Heat energy is changed to chemical energy
Thermometer reading decreases
Which statement is correct about endothermic reaction?
Heat is released
Thermometer reading increases
Surrounding temperature increases
Breaks the chemical bonds of the reactant
Respiration is an exothermic reaction.
Which of the following explains about the process?
Release heat to the environment
The chemical bond in glucose is broken down
Heat energy is changed to chemical energy
Forming water as byproduct
Which process does not involve the release of heat energy?
The combustion of petrol
The formation of ice
Volcano eruption
Melting of butter
The diagram shows the bread dough is put into an oven to be baked.
Which statements are correct about the baking process?
Choose more than one answer.
Endothermic reaction occurs
The heat from the oven is absorbed by the dough
Thermal equilibrium achieved when the bread is cooked
The formation of new substance did not occur
The diagram shows sublimation process that occurs in dry ice.
This process is endothermic. Why?
New substance is formed
There is a conversion of energy
Dry ice absorbs heat from surroundings
The water vapour formed is very cold.
Breaking the chemical bond releases energy.
TRUE
FALSE
What happens when heat energy is absorbed?
Bond formation occurs
Exothermic reaction
Bond breakage occurs
No change occurred
The diagram shows the set - up of apparatus for an experiment.
Which of the following statements is true about the reaction that occurred in the experiment?
Temperature of water increases
Heat energy is absorbed from the environment
Exothermic reaction occurs
Heat energy is released during reaction
How can we identify that the absorption of heat has occurred?
The surrounding temperature increases
The surrounding temperature decreases
The container will heat up
No change occurs
The diagram shows a chemical reaction.
The initial temperature of distilled water is 27⁰C.
What temperature may be recorded by the thermometer in the sodium hydroxide solution?
35⁰C
20⁰C
18⁰C
10⁰C
Which of the following is an endothermic reaction?
Photosynthesis
Respiration
Burning of dried leaves
Neutralisation
The temperature of the substance in a reaction remains constant after reaching the thermal equilibrium.
TRUE
FALSE
Choose the tools that apply the concept of thermochemistry reactions.
