Wednesday, February 20, 2013

Marking Scheme: Class Test 1



Section A : Map Work [30 marks]

For Question 1 to 5, to minus 0.5 marks for 1-2 spelling mistakes. To minus 1 mark for 3 or more spelling mistakes.

1.
Name the following continents that are shown on the World Map :





A :
Oceania






B :
Europe






C :
North America






D :
Asia






E :
Africa






F :
South America



2.
Name the following oceans that are shown on the World Map :






G :
Pacific Ocean






H :
Arctic Ocean






I  :
Southern Ocean






J  :
Atlantic Ocean






K  :
Indian Ocean






3.
Name the following latitudes and longitudes shown on the World map :






Latitude L      :         Arctic Circle






Latitude M      :         Tropic of Cancer






Latitude N      :         Tropic of Capricorn






Longitude O  :         International Dateline





4.
Name the following countries  that are shown on the Asia Map :





A :
Mongolia        






B :
China






C :
Afghanistan






D :
Pakistan






E :
India






F :
Myanmar






G :
Thailand






H :
Vietnam






5.
Name the capitals of the following countries that are shown on the Asia map :





Capital of country I   :
Phnom Penh        





Capital of country J  :
Jakarta        





Capital of country K  :
Tokyo        





Capital of country L  :
Kuala Lumpur        





Capital of country M  :
Taipei        





Capital of country N  :
Manila          





Capital of country O  :
Seoul        







Section B : Structured Questions [15 marks]



1.
State one difference between a physical and human environment.
[2]
         
Physical Environment
Human Environment
-Natural setting, surroundings [1m]
-Changed/modified environment through human activities [1m]




2.
Name and describe two human activities that affect the physical environment negatively.
[4]
 
Name
Describe
Deforestation [1m]
Leads to soil erosion [1m]
Air/water/land pollution [1m]
Leads to the degradation of the air/water/land.[1m]



Accept any 2 plausible answers




3.
Describe the difference in the tools used by a !Kung Bushmen as compared with a Singaporean.

!Kung Bushmen
Singaporean
Tools made of natural materials such as bows and arrows to hunt [1m]

Tools made of manmade materials such as metal/steel guns to hunt [1m]



[2]
4.
Describe the difference in the source of water supply between the !Kung Bushmen and the Singaporean.

[2]

!Kung Bushmen
Singaporean
Use ostrich eggs to collect rainwater for drinking [1m]

Desalinated water/manmade catchment areas eg reservoirs [1m]
                                                                                

5.
What is the direction of the Earth’s rotation?

[1]


           The earth rotates from the west to the east.




6.
How long does it take for Earth to complete one revolution?
[1]
                                                                                
           The Earth moves or revolves around the sun and one complete revolution takes 365.25
            Days. [1m]




7.
Explain the most important condition for life to exist on Earth.
[1]
                                                                                
 Conditions [0.5m]
Reasons [0.5m]
Air
-Earth’s atmosphere consists of gases such as oxygen, carbon dioxide and water vapour
-All living things need oxygen to survive.

Food
-Plants can flourish on the Earth due to the earth’s atmosphere
-Plants are sources of food for animals. Humans depend on animals and plants for food.

Temperature
-Plants, animals and humans need suitable temperature to survive
-eg Plants do not grow in areas with extreme temperature.

Water
-Earth is the only planet that has majority of the surface covered with liquid water.
-3% of the water on Earth is fresh water which can be consumed.


    Accept any other plausible answers.

8.
Name and describe a way for us to become good stewards of the Earth and its resources.
[2]

 
Name [1m]
Describe
Reduce deforestation
We can reduce deforestation to control the number of trees that are being cut down so that animals will not lose their habitats/ reduce the effect of global warming.
Reduce/reuse/recycle
We can use the 3Rs so that we do not waste our resources and help to improve the environment.
                                                                                

   Accept any other plausible answers. 

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