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Soalan Stability
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Transcript of Soalan Stability
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7/28/2019 Soalan Stability
1/5
STATION A ( INDOOR EXPERIMENT )
EARTHQUAKE
THINGS NEEDED :
1.2.3.4
.
Two bottles.A piece of manila card.Measuring cylinder.Water.
INSTRUCTIONS :
1.
2.
3.
4.
Fill each bottle P and bottle Q with 250ml of water.
Place a piece of manila card on the table.
Put bottle P upright and another bottle Q upside down on themanila card.
Move the manila card to the right quickly and observe whathappen to bottle P and bottle Q.
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\
QUESTIONS :
1.
2.
3.
3.
4.
5
What can you observe from the experiment above ?_________ __________________________________________________________
_____________________________________________________________________
[ 2 mGive a reason based on your observation above ?
____________________________________________________________________
_____________________________________________________________________
[ 2 mWhat is the aim of this investigation?
____________________________________________________________________
____________________________________________________________________
[ 1
Based on the investigation, state
i) what is changed ? :__________________________________________________
[ 1 ii) what is observed ? :
__________________________________________________[ 1
iii) what is kept the same ? :__________________________________________________
[ 1
What is the relationship based on the investigation above ?
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.
6.
____________________________________________________________________
____________________________________________________________________[ 1
If bottle Q is replaced with another bottle R which have different hePredict what will happen to bottle P and bottle R put in upright positwhen step 4 is repeated.
[ 1 m
Participantsnumber
ANSWERS :
1.
2.
What can you observe from the experiment above ?
Bottle P did not fall down while Bottle Q fall down.
Give a reason based on your observation above?
Because bottle P is more stable than bottle Q
What is the aim of this experiment ?
To ( investigate / study ) the relationship between the basearea of the bottle and the stability of the bottle.
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3.
4.
5.
6.
[ 1 mark ][ 1 mark ]
[ 2 marks ]Based on the investigation, state
i) what is changed : base area of bottle.[ 1 mark ]
ii) what is observed : stability of bottle.[ 1 mark ]
iii) what is kept the same : height of bottle[ 1 mark ]
What is the relationship between what is changed and what isobserved based on theinvestigation above ?
The bigger the base area of the bottle, the more the stability ofthe bottle.
[ 1 mark ]
If bottle Q is replaced with another bottle R which havedifferent height, Predict what will happen to bottle P and bottleR put in upright position when step 4 is repeated.Bottle R will fall down first.
STATION AEARTHQUAKE
Marking Scheme
NO SKILL MARKS
1.Skill to observe the object withthe senses.
0 1
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7/28/2019 Soalan Stability
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2.
Skill to handle the apparatus :
Measuring cylinder. 0 1
.put the bottle in correct
position 0 1 The way they move the
manila card.0 1
3.Carry out the fair test followingusing the correct procedure.
0 1
4.Pouring water into the bottlewithout spill
0 1
5.Dispose waste using thecorrect method.
0 1
6.Store apparatus andsubstances correctly and safelyafter the fair test.
0 1
7.Ability in communicating inEnglish
0 1
8. Teamwork and cooperation. 0 1
Total marks
Participantsnumber
School
Judge initial