Transcript Part 4: The Secrets

JOM KIMIA A1
L
O
A
D
PART 4
I
N
G
PART 4
WHAT YOU MUST
KNOW ABOUT
CHEMISTRY
PAPER 3
SKOR A1 : The Secrets
To Score Paper 3 is To Tackle Paper 3
KAMAL ARIFFIN BIN SAAIM
SMK DATO’ BENTARA LUAR BATU PAHAT
e-mel : [email protected]
website: http://kemhawk.webs.com/
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PART 4
Question 1 / 2
Element KK0501 – KK0511
YEAR: 2005
YEAR: 2006
YEAR: 2004
YEAR: 2007
YEAR: 2003
YEAR: 2008
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PART 4
Silly mistakes made by my students
Hypothesis
1. Not complete
2. Reversal
3. No direction
TIP: Manipulated variables + responding
variables + direction
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PART 4
Silly mistakes made by my students
Hypothesis
[2006 1(c): Click to see the question]
Excellent response
Asid hidrochlorik / kuat menghasilkan (haba
peneutralan) / (perubahan/kenaikan suhu) yang
lebih tinggi/rendah daripada asid
etanoik/lemah.
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PART 4
Example
Inaccurate response no. 1
Score 1
Inaccurate response no. 2
CHEMISTRY PAPER 3 4541/3
Score 2
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PART 4
Example
Inaccurate response no. 3
Score 2
Inaccurate response no. 4
CHEMISTRY PAPER 3 4541/3
Score 1
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PART 4
Silly mistakes made by my students
Hypothesis
[2007 1(b)(ii): Click to see the question]
Excellent response
The reaction between sodium hydroxide and
water is an exothermic/endothermic reaction.
When NaOH dissolves/added in water, it
increase/decrease in temperature / release
heat / absorb heat.
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PART 4
Example
Inaccurate response no. 1
Score 1
Inaccurate response no. 2
CHEMISTRY PAPER 3 4541/3
Score 2
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PART 4
Example
Inaccurate response no. 3
Score 2
Inaccurate response no. 4
CHEMISTRY PAPER 3 4541/3
Score 1
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PART 4
Silly mistakes made by my students
Reading from apparatus
1. Wrong decimal place
2. No / incorrect unit
3. Not from the meniscus
4. Some right and some wrong
TIP: read carefully
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PART 4
Silly mistakes made by my students
Record the reading from apparatus
[2006 1(a): Click to see the question]
Excellent response
Suhu awal campuran
: 28.0 oC
Suhu tertinggi campuran
: 40.0 oC
Perubahan suhu
: 12.0 oC
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PART 4
Example
Inaccurate response no. 1
Score 1
Inaccurate response no. 2
CHEMISTRY PAPER 3 4541/3
Score 2
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PART 4
Example
Inaccurate response no. 3
Score 1
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PART 4
Silly mistakes made by my students
Record the reading from apparatus
[2007 1(a)(i): Click to see the question]
Excellent response
Experiment I
: 28.0 oC
36.0 oC
Experiment II
: 29.0 oC
25.0 oC
Experiment III
: 27.0 oC
32.0 oC
Experiment IV
: 30.0 oC
27.0 oC
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PART 4
Inaccurate
response no. 1
No decimal
place
Score 2
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PART 4
Inaccurate
response no. 2
Below
meniscus
level
Score 1
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PART 4
Silly mistakes made by my students
The Graph
1. No title for the axis
2. No / incorrect unit
3. The graph line is not smooth
4. Wrong shape of the graph
TIP: draw the graph completely
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PART 4
Silly mistakes made by my students
The Graph
[2007 1(e)(iii): Click to see the question]
Excellent response
Volume of carbon dioxide / cm3
Time / s
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PART 4
Accurate response
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Score 3
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PART 4
Inaccurate
response no. 1
CHEMISTRY PAPER 3 4541/3
Score 2
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PART 4
Inaccurate
response no. 2
CHEMISTRY PAPER 3 4541/3
Score 1
PART 4
Inaccurate
response no. 3
CHEMISTRY PAPER 3 4541/3
Score 1
PART 4
Silly mistakes made by my students
Operational Definition
Kebolehan memberi tafsiran tentang sesuatu
konsep dengan menyatakan perkara yang
dilakukan dan diperhatikan.
1. No idea
2. Wrong interpretation
TIP: look the process/reaction what is the
concept/reason behind the observation.
PART 4
Silly mistakes made by my students
Operational Definition
[2006 1(i)(i): Click to see the question]
Excellent response
Haba yang dibebaskan apabila 1 mol air dihasilkan //
Haba yang dibebaskan apabila 1 mol H+ bertindak
balas dengan 1 mol OH- untuk menghasilkan mol air
dihasilkan //
Haba yang dibebaskan per bilangan mol air
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PART 4
Example
Accurate response no. 1
Score 3
Accurate response no. 2
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Score 3
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PART 4
Example
Inaccurate response no. 1
Score 2
Inaccurate response no. 2
CHEMISTRY PAPER 3 4541/3
Score 1
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PART 4
Example
Inaccurate response no. 3
Score 0
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PART 4
Silly mistakes made by my students
Operational Definition
[2007 1(c)(ii): Click to see the question]
Excellent response
The decrease in temperature shows that
endothermic reaction happens where
heat/energy is absorbed from the surroundings.
Notes : The question refers to experiment II, many
students missed the question, see what happens ………..
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PART 4
Example
Inaccurate response no. 1
Score 0
Inaccurate response no. 2
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Score 0
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PART 4
Example
Inaccurate response no. 3
Score 0
Inaccurate response no. 4
CHEMISTRY PAPER 3 4541/3
Score 0
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PART 4
Silly mistakes made by my students
Operational Definition
[2008 1(e) : Click to see the question]
Excellent response
Latex becomes solid when acid/H+ is added //
Latex becomes solid when exposed to air
Notes: Much easier this year.
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PART 4
Example
Accurate response no. 1
Score 3
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PART 4
Example
Inaccurate response no. 1
Score 2
Inaccurate response no. 2
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Score 2
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PART 4
Example
Inaccurate response no. 3
Score 2
Inaccurate response no. 4
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Score 1
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PART 4
Example
Inaccurate response no. 5
Score 1
Inaccurate response no. 6
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Score 1
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PART 4
Silly mistakes made by my students
Problem Statement
1. Not complete
2. Write aim of experiment
TIP: look the statement of the problem from
the question, its always there.
To be continued…….2010
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THE GHOST IN THE
JAR
The secrets of success is to know something
nobody else knows
Aristotle Onassis
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PART 3
PART 4
MASTERING PAPER 3 : The SECRETS
END OF PART 4
Thank You
KAMAL ARIFFIN BIN SAAIM
SMK DATO’ BENTARA LUAR BATU PAHAT
mel : [email protected]
website: http://kemhawk.webs.com/
e-
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