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TEKNIK MENJAWAB SAINS PMR 27 APRIL 2013 ( ISNIN ) SHARING IS CARING

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Page 1: Kesilapan menjawab

TEKNIK MENJAWAB SAINSPMR

27 APRIL 2013( ISNIN )

SHARING IS CARING

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SOALAN LABEL SEKIRANYA JAWAPAN DIBERIKAN; SEBOLEH-BOLEHNYA EJAAN MESTI SAMA DENGAN JAWAPAN YG DIBERIKAN

KESILAPAN EJAAN TAPI BUNYI TAK BERUBAH DITERIMA;

CTH: Excreatory Excretary

( Betul : EXCRETORY )

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EJAAN SALAH tetapi TIDAK MEMBERI MAKSUD LAIN dikira betul dan sebaliknya.

CONTOH( PMR 2009 )

1) RIPEL – REPEL ( TERTOLAK )

2) LEAVES ( DAUN ) – LEAVE (TINGGALKAN)

SAVE ( JIMAT )– SAFE ( SELAMAT )

Sekiranya pelajar LABEL SEMUA jawapan, dikira salah.

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PENGGUNAAN SYMBOL Mesti menggunakan simbol yg betul.

Tidak boleh menggunakan simbol utk mewakili perkataan

2006 SYMBOL TIDAK DITERIMA

TETAPI

2009 SYMBOL DITERIMA.

CONTOH : CO2 , H2O

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BANYAKPILIHAN JAWAPAN HANYA JAWAPAN MULA-MULA/

DIHADAPAN SAHAJA YANG DISEMAK DAN DIBERI MARKAH.

CONTOH : Able to state TWO functions of excretory system :

1.To remove OXYGEN CARBON DIOXIDE

2.To control acidity of blood.

3.To remove excess water ( TDK DISEMAK )

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ISTILAHIstilah & ejaan mesti betul

CONTOH:

1)Melting / Peleburan – diterima

Melebur / cair - reject

2) Prey - predator

Prey predator – reject Penggunaan bahasa daerah ditolak

CONTOH: bitter # kelat

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SOALAN 7 & 8 ( 20 MARKS )SPS ( SCIENCE PROCESS SKILL )1.VARIABLE

2. HYPOTHESIS

3. INFERENCES

4. CONCLUSION

5. GRAPH

RESPONDING

MANIPULATED

FIX

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HYPOTHESIS /INFERENCE 2007- 2011 hypothesis DITERIMA

sebagai inference. INFERENCE – RV dipengaruhi MV

( WHY ) atau MV mempengaruhi RV

( SALAH )bermula 2011

BAGI SEBAB kpd PEMERHATIAN

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- Brightness of the bulb

length of wire OBSERVATION

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InferenceOBSERVATION

AND

WHY

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Situation A produce more friction It’s have rough surface

Responding Variable

FRICTION

Manipulated variableTYPE OF SURFACE

BECAUSE WHY

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Hypothesis

The … M.V, The….. R.V ….= larger, bigger, more, longer,

brighter, dimmer, higher, greater,lower, rougher, thicker, smaller

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694

- The higher the density of the medium, the smaller is the weight of object X

- The lower the density of the medium, the greater is the weight of object X

Hypothesis

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The longer the wire, the dimmer the bulb.

The shorter the wire, the brighter the bulb.

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Factors Affecting the Rate of Transpiration

Manipulated variables

Responding variables

Fixed variables

1. LIGHT2. TEMPERATURE3. WIND4. HUMIDITY

Light, Temperature, Humidity, timesize and type of plant

Presence of wind

Rate of transpiration / difference in weight of the apparatus

Hypothesis – Windy condition increases the rate of transpiration

Observation The water loss is more for the

potometer that is subjected to wind.

Conclusion

The rate of transpiration is faster if wind is present.

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GRAF

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0 5 10 15 20

50

100

150

200

250

Mass of weight(kg)Jisim pemberat

Draw a line graph of the readings of the spring

balance against the mass of the weight.

Reading of

spring balance

(N)

P 100Q 150R 200

Spring balanceNeraca spring

Mass of weight(kg)pendulum

X

X

X

0

2

3

4

5

6

7

8

9

10

EZ

I

1m - Points

1m - Line

Reading of spring balance ( N )

101520

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OPERATIONAL DEFINITION

CONTOH : PMR 2010

Nyatakan definisi secara operasi bagi kerja yang dilakukan dalam Rajah 8.1

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8. Diagram 8.1 shows the same student lifting two bags of different masses onto a table.

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