Download - How to Answer 2012
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Science Section B
2014
From : Pn. Norliza bt Yahya
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CRITERIACRITERIA
1 Observation 7 Manipulated variable(what to change)
2 Inference 8 Responding variable(what to measure)
3 Predicting 9 Controlled variable( Kept the same)
4 Trend 10 Aim
5 Relationship 11 Hyphotesis
6 Conclusion Total 20 marks
CRITERIA IN SECTION B
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Observation
Look at
State the logical observation
State the differences between the pictures given
Picture / figure
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Observation
State one observation based this picture
Size of leaves / stem is bigPlant have many leaves
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ObservationGlass paper Ceramic plastic
Mass ( g) 10 20 15
Figure 1 shows three glasses that are made of different materials.
The mass of the three glasses are measured with compression
balance. The results of the investigation are recorded in Table 3.
The mass of ceramic glass is more than paper and plastic glass
The mass of glass is different
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Give reason for the situation
Inference
Look at
State the differences between the pictures given
State the observation
Picture / figure
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Observation and inference
Observation : Size of leaves / stem is big
Inference : The plant get enough fertilizer
Observation : Plant have many leaves
sunlightwaterspace
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Observation and inference
Observation : Living things needs water
Inference : To stay alive
Inference : To maintain the body temperature
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Observation and inference
State the observation based on this picture
Cow eat grass compared with tigerCow eat grass, tiger eat meat ( other animal)
inference
Cow is hervivores, tiger is carnivores (aras tinggi)
Cow is herbivores compared to tiger (aras rendah)
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Aim /purpose
What to change
What to observed
What to keep the same Temperature of room at the beginning
Number of pupils in the room
Condition in the room ( cold / hot)
Number of pupils in the room
Condition in the room
1 Too cold
5 cold
10 hot
15 Too hot
To investigate the relationship between _______ and __________________
To investigate the relationship between number of pupils in the room and the condition of the room
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Aim / purpose
What to change
What to observed
Number of seedling in a pot
Condition of the plant
To investigate the relationship between number of seedlings in a pot and
the condition of the plants
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Identify the variables
What to change
What to observed Height of the plant /
Size of the leaves/ stem
What to keep the same
Place the plant been planted
Type of plant / amount ofwater , fertilizer …
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Identify the variables
What to change
What to observed
What to keep the same
Size of magnet
Size of leaves
size of paper clip
Number of paper clip attracted
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Pupil Total of steps
P 30
Q 35
R 40
S 45
T 50Table 1 shows the total of steps used by five pupils to measure the length
of badminton court
Hypothesis
The (more / less) the _________ themore ( lesser ) the ______________
wtc
wto
The more the height of pupil the lesser the total of steps
The lesser the height of pupil the more the total of steps
If the pupil is shorter, the total steps are the most compared with the tallest pupil.
Aras tinggi
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Hypothesis
What to change
What to observed
Size of magnet
Size of leaves
Number of paper clip attracted
The more the size of magnet the more the numberof paper clips
The more the size of magnet the more the numberof paper clips attracted
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Length of the string (cm)
10 15 20 25
Number of the pendulum swings 31 26 21 16
The more the length of the string the less the number of pendulum swing.
If the length of the string is increase, then the number of pendulum swing is decrease
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Number of pupils in the room
Condition in the room
1 Too cold
5 cold
10 Too hot
15 hot
The more the number of pupils in the room the more hotter the condition in the room.
If the number of pupils in the room increase, the condition in the room is getting hot.
the temperature
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MAKING CONCLUSION
STATE ONE CONCLUSION BASED ON THE PICTURE
…………………………………………………………………………
[ manipulated variable ] …………………………………………………………………………
[ responding variable ]
size of magnet
number of screws attracted
screw
magnet
magnet
Bigger magnet can attract more screws.
The more the size of the magnet the more the number of the screws attracted.
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• Predict the number of mould spots on the bread at week 7.
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Answer the questions.
• 1. mv :
• rv :
• cv :
• 2. Aim/ Purpose :
• 3. Observation :
• 4. Inference / Reason :
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• 5. Relationship :
• 6. Hyphotesis :
• 7. Conclusion :
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HANYA SAMPAI DI SINI
• Terima kasih kerana sudi
mendengar dan memberikan tumpuan yang sewajarnya.