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2008 年 1 月 5 日 星期六  |
| I.S Test |
分類: I.S |
Part 1) MC
1) Which of the following is not a producer?
A) Grass
B) Mushroom
C) Tree
D) Algae
2) Which of the following can clean dirt and germs from the lungs?
A) Water
B) Mucus
C) Air sacs
D) Mouth
3) Which of the following activities need energy?
1) Riding bicycles 2) Standing up 3) Sleeping
A) (1) & (2)
B) (1) & (3)
C) (2) & (3)
D) (1) & (2) & (3)
4) Which of the following Beakers contain the largest amount of carbon dioxide?
A) Contains tap water only
B) Contains pond water & fish
C) Contains boiled water
D) Contains water & water plant
5) Which of the following statements about variegated leave is incorrect?
A) They contain both green and non-green parts
B) They do not have any chlorophyll
C) They can make starch
D) They can used to show that chlorophyll is necessary for photosynthesis
6) Substance in cigarette smoke that can cause addiction include
A) Tar
B) Nicotine
C) Carbon dioxide
D) Carbon monoxide
7) Which of the following devices does not use rheostat to control the size of current?
A) Dimmer switch
B) Fan speed controller
C) Lamp on-off’ switch
D) Volume controller
8) The mains voltage of HK is
A) 110V
B) 100V
C) 200V
D) 220V
Part 2) Fill in the blanket
1) Respiration takes places in ____________.
2) Carbon dioxide is produced in the ______________ during respiration.
3) In a three –pin plug, current goes into and out of an electrical appliance through the ___________wire and the ___________ wire. The ________ wire takes away any leaking current into the ground.
4) Polluted air may contain _________________ which are harmful to our lungs.
5) We can use ________________ and ________________ to identify oxygen, use ________________ and ________________ to identify carbon dioxide and use ________________ to identify water. But there is no simple test for ______________.
6) For a fire to occur, ______________, ______________ and ______________ are needed and they cause a _____________________.
Part 3) Long Q
1) Please list out 5 pollute & their source & harmful effect
_______________________________________________________________
2) Please list out 4 harmful substance in a cigarette & their bad effect
_______________________________________________________________
3) Please write down the step of testing for starch in leaves and their purpose
4) Please write down the name of gases in air & their relative amounts
_______________________________________________________________
5) Please write down the percentage of different gases in breathed air
_______________________________________________________________
6) Miss Ko gave you 3 test tube of gas M and she told you that gas M might be oxygen, carbon dioxide or nitrogen. To identify the gas, you carried out some simple tests and got following results.
|
Test
|
Treatment
|
Results
|
|
1
|
Put a burning splint into gas M.
|
The flame went out
|
|
2
|
Add some lime water into gas M
|
It remained clear.
|
a) Based on the result of test 1 only, what conclusion can you draw?
_______________________________________________________________
b) Based on the result of test 1 and test 2, what conclusion can you draw?
_______________________________________________________________
7) Please list out 4 safety rule when using electricity
_______________________________________________________________
8) Please list out 4 safety rule we should follow in laboratory
_______________________________________________________________
9) How does a short circuit happen?
_______________________________________________________________
10) What is the use of an earth wire?
_______________________________________________________________
11) What is the function of a circuit breaker?
_______________________________________________________________
12) What will happen if current passing through a fuse is too lager?
_______________________________________________________________
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| 發表時間：2008-01-05 06:44 PM [ 訪客留言(0) ] [ 編輯日誌 ] [ 分享至FACEBOOK ] |
| 2008 年 1 月 5 日 星期六 |
| I.S Test Answer |
分類: I.S |
Answer:
Part 1)
1) B
2) B
3) D
4) B
5) B
6) B
7) C
8) D
Part 2)
1) Living things
2) Cells
3) Live / neutral / earth
4) Air pollutants
5) Burning splint/ glowing splint/ lime water/ Hydrogencarbonate indicator/ dry cobalt chloride paper
6) Oxygen/ high temperature/fuel/ fire triangle
Part 3)
1) Text BK P.48
2) Text BK P.50
3) Text BK P.25
4) Text BK P.3
5) Text BK P.11
6a) Gas M may be carbon dioxide or nitrogen.
6b) Gas M is nitrogen.
7) Text BK P.100
8) W.S
9) Text BK P.98
10) Text BK P.95
11) Text BK P.98
12) Text BK P.88
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| 發表時間：2008-01-05 06:43 PM [ 訪客留言(0) ] [ 編輯日誌 ] [ 分享至FACEBOOK ] |
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