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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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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