Bengkel Pecutan Fizik SPM - (Teknik Menjawab Soalan).pptx

7/17/2019 Bengkel Pecutan Fizik SPM - (Teknik Menjawab Soalan).pptx

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SPM PHYSICSAnswering

techniques Workshop

Prepared by Joseph Lau


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Which paper do you want torevise?

Paper 1 (Objective)

Paper 2 (Subjective and Essays)

Paper 3 (Experiments)

You will need SP 2!1" paper#


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Paper 1 !" #arks$

$! objective %uestions

ostly conceptual %uestions

inimum o& ' are calculations#

1 our and 1$ minutes#

Suestion* +inis witin 1 our#Spend 1$ minutes to cec, your

answers#


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Paper 1

Paper 1 test your overall

,nowlede#

-o score well. you need to avea ood understandin o& all te

topics#

/i&&iculty distribution isEasy* oderate* 0ard 3*"*3


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Paper 1

est way to revise is via brute

&orce*

/o lots o& objective %uestions(especially pass year papers) and

as, wat you dont understand#


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Concept


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%&p'ain()easoning


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*raph


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Co#pare


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)e'ate


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Ca'cu'ation


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)eturn


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Paper + 1"" #arks$

Section 4* ' structure (5! mar,s)

4ll di&&erent topics

6ncreasin mar,s &rom %uestion 1 to '

ix o& explainin and calculatin#

Section * 7oose 1 out o& 2 essays (2! mar,s)

7ompare. relate and deduce( $mar,s)

/e&ine and Explain concept ($ mar,s)

odi&ication (1! mar,s)

Section 7* 7oose 1 out o& 2 essays (2o mar,s)

Explain concept ($ mar,s)

7alculation ($ mar,s)

Evaluation (1! mar,s)


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Paper +, Section A

Observe diarams. potoraps and tables care&ully#

6denti&y %uestion &rom wic topic be&ore you answer#

8se sort sentence

Observe te mar,s allocated1 mar,* Sort answer enou

2 or more mar,s* Elaborate &urter


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-nder'ine the keyword(i#portantin.or#ation

Compare

9 $#1 : $#2

Relate/ State the relationship9 ;en < bier. =< smaller>bier

Explain

9 8se pysic concept to explain

Define

9 ;rite words. ?O- &ormula

9 Sometimes direct translate &rom &ormula wor,s


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7alculation;rite te &ormula be&ore substitute;rite answer wit correct units

;rite units unless you really dont ,now (mar,s

may be deducted dependin on examiner)

8nless you con&ident. use te &ormula seet

reularly till you are &luent#


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P ti ' S ti A +"1/


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Practice so've Section A +"1/paper


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A''ocate 0" #in .or each essay


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Paper +, Section %ssay


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Paper +, Section %ssay$ 7ompare. relate and deduce

($mar,s)


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Sa#p'e answer(*Make sure you have all 5 points)

=eadin o& termometer* @#1 : @#2


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Paper +, Section %ssay$ /e&ine (1 mar,) and Explain (" mar,s)

Sample answer*

0eat is te enery trans&erred &rom ot

to cold object#


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a,e sure you ave at least " points (loo, at te

mar,s)

6t is alrit to write more# 4nswer sceme will avemore tan " points#

=elate wit pysic concept#

Sample answer:;ater as ier speci&ic eat capacity#

/urin te day. te sea as lower temperature tan land#

-e ot air on land will rise up#

4ir pressure at land will decrease#

7old air at sea will ave ier pressure#

7old air move>blow &rom sea to land#


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Section , Modi2cation 1" #arks$


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Answering techniques,

8se table

/o not leave blan,# Bive at least $#

You can ive more tan $ modi&ications (no

need numberin) Suestion ave to be loic>practical

ust ave reasonin

4nswers cannot contradict

Suggestion Reason


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Sa#p'e answer 3d$

Suggestion Reasoning

i &an Produce more wind>7ool &aster

any>more &ins Carer sur&ace area> 0eat escape

easily>7ool &aster

4luminium Bood eat conductor

Care speci&ic eat capacity o&coolin li%uid

7an absorb more eat witout lareincrease in temperature> ood coolinaent

0i boilin point /oes not boil %uic,ly> 7an witstandier eat> ?ot easy evaporate

D# D


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Sa#p'e answer 1"d$Suggestion Reasoning

ore number turns Produce more eat

Cow density Citer>Easier to carry

Cow rate oxidation (,adarpenaratan)

Cast loner> /oes not rusteasily

Smaller diameter 0i resistance. producemore eat

aterial wit ood eatconductivity

7onduct eat &aster

aterial wit low eat speci&iccapacity

0eat up &aster


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%&a#p'es o. .requent'y used answers.or .orce and #otion


8se low density material Citer

8se stroner material /oes not brea, easily

8se aerodynamic sape Cess resistance

8se larer>smaller D#


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%&a#p'es o. .requent'y used answers.or e'ectricity(#agnetis#


8se tic,er wire Cess resistance

8se copper 0i conductivity

8se stroner manet Stroner manetic &ield

8se more turns Stroner manetic &ield


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P + S ti C


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Paper +, Section C%ssay$


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C ' ' i k $


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Ca'cu'ation ! #arks$


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Ca'cu'ation

1# Cist out variables iven

2# ;at are you loo,in &or

3# ;rite +O=8C4. ten S8S-6-8-E

"# /O ?O- round up number durin

calculation#

$# ;rite &inal answer to " sini&icant

&iures wit 8?6-S#


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Sa#p'e answer,

e ne m an exp a n


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e ne m an exp a nconcept (4m)


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%va'uation 1" #arks$


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8se a table#

7oose te " best caracteristic and ivereason#


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Answer te#p'ate 11 c$,

-e best coice is C because te train aslow density. aerodynamic sape.

superconductor and ' sort coaces#

est !hara!teristi! Reason

Cow density FCitFove &aster

4erodynamic sape FCow air resistanceFove &aster

Superconductor Fstroner manet &ieldFcan li&t eavier weit>load

' sort coaces Freduce inertiaFeasier turn

A t ' t 1+ $


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Answer te#p'ate 1+ c$,

-e best coice is Y because te loudspea,er is i position.

distance between loudspea,er &ar apart. uses so&tboard and

position o& micropone beind te loudspea,er

est !hara!teristi! Reason

Cocation o& loudspea,ersould be i

-?ot bloc, by obstacles-7an travel &urter

/istance twoloudspea,er &ar apart

F=educe inter&erenceF7an cover larer area

So&tboard F4bsorb soundF?o eco >=educesound re&lection

Position microponebeind te loudspea,er

F4voidnoise>inter&erence


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)eturn


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Paper 0 +"1! and 4e.ore$Paper 0 +"15 and a.ter$


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Paper 0 Written +"1!6$

Paper 3 is divided into*

Section 4 (2' mar,s)Easy to et "#LL mar$s ere i& you read %uestion

care&ully. ,now te tecni%ue and a bit o& pysics

Section (12 mar,s)6& you can correctly identi&y te < and =


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Section A 7uestion 1$

=ead instruction and identi&y < and =


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H%nswer ha'e to be

P()S*C%L +#%,&*&)-something !an be measured.

HD ,& 0R*&E:

a. Reading of ammeter

b. &ype of wire

H)0R*&E:

a. Current

b. Resisti'ity of wire


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Answer,

(a)

(i) 7urrent. 6

(ii) -ic,ness o& wire


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=ead instruction#

+ill in te measurements wit correct

sensitivity (decimal place)

a,e sure you ,now ow to read4mmeter>


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* -%. 1i -1. 1 -1.!#1 !#" !#3

!#2 !#G !#5

!#3 1#! !#@!#" 1#3 1#2

!#$ 1#5 1#$

Label #nits2Label

'alues2.

Corre!t and!onsistent

de!imal

pla!e


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Identi.y the #istakes in this ta4'e

3ass4 m-g. "or!e4 "-,. Extension4 x

$! $!! $#!1

1!! 1!!! 1!#1

1$! 1$!! 1$#$

2!! 2!!! 2!#!

2$! 2$!! 2$#3


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Points*

1) 7orrect axes labels 2) 7orrect units on axes

3) 7orrect scale (avoid odd increments)

") 3 points trans&er correctly on rap

$) $ points trans&er correctly on rap

5) est &it strait line wit yFintercept (at least 3

points on line. balanced top>bottom)

G) inimum siIe $x" boxes


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=ead %uestion care&ully

=ead te rap axes care&ully (e## 6s it xor 5/x )

4nswer* =< JJJJJJJJJ to


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Section A 7uestion +$ You will be iven a rap#


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Sample answer: &he position of the eye has to be perpendi!ular to

the reading/s!ale of the meter ruler -3ust state e7uipment.

8th ti


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8ther precautions

Beneral7ec, te Iero error o& D# be&ore ta,in

measurement#

CitExperiment must be conducted in a dar, room#

ElectricitySwitc o&& circuit wen not ta,in data so tat wire does

not et too ot

A%1*D* =epeat experiment and ta,e averae#

C ' t d S ti A


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Co#p'eted Section A

Easy 2' mar,s

S ti 1+ k $


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Section 1+ #arks$

6mportant*7oose %uestion wic you can

C,"*DE,&L)identi&y anipulated

variable (


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=< depends on


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-e bier


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Buess te experiment &rom te =


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-o investiate te relationsip betweenD(


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3# (c) (ii) anipulated variable* ;eit o& water displaced

=espondin variable* uoyant &orce

7onstant variable* /ensity o& water

"(c) (ii)

anipulated variable* 7urrent

=espondin variable* +orce

7onstant variable* anetic &ield strent


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Cist out te apparatus use to measure =0oo,es Caw

$# ;ater pressure wit dept5# 4rcimedes Principle

G# 0eat 7apacity

'# Bas laws (oyle. 7arles. Pressure)

@# =e&lection. re&raction1!#4pparent dept

11# Cens

Pendu'u#


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Procedure*

1# Set up te apparatus as in &iure#2# 1!!cm lent o& tread is measured usin a

ruler#

3# -e pendulum bob is displaced and te period

o& oscillation is measured usin a stopwatc#"# Experiment is repeated wit '! cm. 5! cm. "!

cm and 2! cm lon tread#

Inertia


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7ane inertia to

period o& oscillation#


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Procedure*

1# Set up te apparatus as in &iure#

2# 2! o& plasticine is measured usin a electronic

balance#

3# -e ac,saw blade is displaced and te period

o& oscillation is measured usin a stopwatc#

"# Experiment is repeated wit "!. 5!. '! and

1!! o& plasticine#

)e'ationship 4etween #ass #and acce'eration a


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and acce'eration aB


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Procedure*


2# -e mass o& one trolley is measured usin

a electronic balance#

3# -e trolley is released and te acceleration

is calculated &rom te tic,er tape#"# Experiment is repeated by placin 1!!.

2!!. 3!! and "!! loads on trolley#

You can #odi.y the previouse&peri#ent to investigate the


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e&peri#ent to investigate the

re'ationship 4etween 9 and aB Procedure*


2# 4 1!! load is used to pull te trolley#

3# -e trolley is released and te acceleration

is calculated &rom te tic,er tape#

"# Experiment is repeated wit 2!!. 3!!."!! and $!! weits to pull te trolley#

Hooke>s aw


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Procedure*1# Set up te apparatus as in &iure#

2# 4 1!! weit is placed on te sprin#

3# -e extension o& te sprin is measured

usin a ruler#

"# Experiment is repeated wit 2!!. 3!!.

"!! and $!! weits#

Water pressure anddepth


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depth


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Procedure*

1# Set up te apparatus as in &iure#2# -e tistle &unnel is placed 2 cm into te li%uid# 4

ruler is used to measure te distance#

3# -e eit o& te water in te manometer is

measured usin a ruler and te pressure is

calculated#

"# Experiment is repeated wit " cm. 5 cm. ' cm

and 1! cm dept#

Archi#edes Princip'e


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Procedure*

1# Set up te apparatus as in &iure#2# -e load is placed into te water slowly

until 1!! o& water is displaced#

3# -e decrease o& weit o& te sprin

balance is recorded as te buoyant &orce#"# Experiment is repeated wit 2!! . 3!! .

"!! and $!! water displaced#

)e'ation 4etween #ass # andquantity o. heat 7


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quantity o. heat 7

-e larer te mass o& water. te lonertime it ta,es to eat up te water#


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Procedure*

1# Set up te apparatus as in &iure#2# 1!! o& water is placed into bea,er#

3# -e time ta,en &or te water to eat up to

'!o7 is recorded#

"# Experiment is repeated wit 2!! . 3!! .

"!! and $!! water#

*as aws


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oyles Caw

*as aws,Char'es>s aw


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*as aw, Pressure aw


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)eection


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1# Set up te apparatus as in &iure#2# +ill te bea,er wit water until te dept

o& water is $ cm#

3# easure te apparent dept usin anoptical pin and ruler#

"# =epeat te experiment usin water o&

dept 1! cm. 1$ cm. 2! cm and 2$ cm#

ens


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0ypotesis*

-e larer te object distance te smaller te


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-e larer te object distance. te smaller te

imae distance#uN1>v1>& . mv>u (m is mani&ication)


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1# Set up te apparatus as sown in te&iure#

2# -e object distance is set at 3! cm#

3#-e screen is moved bac, and &ort tountil a sarp imae is &ormed#

"# -e imae distance is measured usin a

ruler#

$# =epeat te experiment wit objectdistance 2$ cm. 2! cm. 1$ cm and 1! cm#


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SPM +"10, Which e&peri#ent?


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SPM +"1+, Which e&peri#ent?


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Dhe end


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Bengkel Pecutan Fizik SPM - (Teknik Menjawab Soalan).pptx

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Transcript of Bengkel Pecutan Fizik SPM - (Teknik Menjawab Soalan).pptx