Teknik Menjawab Soalan Sc 2013 SMK JPP

8/13/2019 Teknik Menjawab Soalan Sc 2013 SMK JPP

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TEKNIK MENJAWAB SOALAN

SAINS SPM

2013

ANG SHEUE MEISMK JALAN PASIR PUTEH


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Format of Instrument

ITEM PAPER 1 (1511/1) PAPER 2 (1511/2)Type of

instrument

Objective test Subjective test

Type of item Multiple choice

Multiple combination

4 options, A, B, C and

D

Section A:

Structured item

Section B:

Response item

Section C:

Essay

Open response item

Limited response item


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ITEM PAPER 1 (1511/1) PAPER 2 (1511/2)

Number of

question

50 (answer all) Section A: 20 marks

4 (answer all)

Section B: 30 marks5 (answer all)

Section C: 20 marks

Q10 (10m) and Q11 or

Q12 (10m each)

Total marks 50 70

Duration 1 hour 15 minutes 2 hour and 30 minutes


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ITEM PAPER 1 (1511/1) PAPER 2 (1511/2)

Construct

requirement

Knowledge :25

Understanding :15

Application :10

Knowledge : 20

Understanding: 14

Scientific skills: 30Application : 6

Level of

difficulty

L:M:H = 5:3:2 L:M:H = 5:3:2

Extra

instrument

Calculator Calculator


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Examinations Tips

If you want to get A-

(90/120)x100 = 75%

Paper 1 = 40/50 ; Paper 2 = 50/70

If you want to get E (pass)

(48/120)x100 = 40%

Paper 1 = 30/50 ; Paper 2 = 18/70


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Answering Strategies for

Paper 1


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Test and Retest Method

()

Do topical exercise until get 85% (43/50)for each topic.

Preparation activities for redo exercise

include Reading textbook, notes, mind maps

Discussion with friends

Ask teacher If you already done for all 15 topics until

November, it means you are 85%confidence to be in examination hall.


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Eliminate Method ()

Find the incorrect answer first

Reject that answer (3 choices left)

Reject one more incorrect answer (2choices left)

Try to reject one more incorrect answer (1

choice left) That is the answer.


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Eliminate Method ()

Example: SPM 2010 Q43

What is the function of salt in salted fish?

Apakah fungsi garam di dalam ikan masin?

A. Add colour (menambahkan warna)

B. Improve the texture (memperbaiki tekstur)

C. Remove the natural taste (menyingkirkan

rasa asli)

D. Reduce the growth of bacteria

(mengurangkan pertumbuhan bakteria)


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Example


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Example


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Example


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Example

Bread = 10.12x20=202.4kJ

Hard boiled egg = 6.59x10=65.9kJ

Milk = 2.68x100=268kJ

Total = 202.4+65.9+268=536.3kJ


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Eggs=(665x200)/100=1330kJLamb=(100x643)/100=643kJ

Chicken =(827x150)/100=1240.5kJ

Fish=(250x433)/100=1082.5kJ


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Answering Strategies for

Paper 2


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Section A

Alternative test to practical, 20 marks

All the items deal with Science ProcessSkills.

Observing () Classifying ()

Measuring and using numbers()

Inferring () Predicting ()

Communicating (////)


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Section A

Interpreting Data ()

Defining Operationally ()

Controlling Variables ()

Hypothesising ()

Experimenting ()


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Observing ()

Gas is released during the reaction between zinc and hydrochloric acid


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Observing ()

The boiling point of distilled water with common salt is higher than

the boiling point of distilled water


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102


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30cm


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Inferring ()

The deflection of needle shows that electrical energy is produced.


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Inferring ()

P is an atomic substance, Q is a molecular

substance and R is an ionic substance


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Predicting ()

0 V


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Communicating

(////)


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Communicating

(////)

5

10

15

146 - 150 151155 156160 161165 166170


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Communicating

(////)


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Communicating

(////)

0

40

80

120

160

200

4 8 12 16 20 Time (minutes)

Temperature(0C)


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Pure liquid which it boiling point is 100C.


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Substance that can light up the bulb in molten state.


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Type of substance

Bulb condition/electrical conductivity

Number of dry cell/voltage/quantity of

substance


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Number of dry cell/voltage/length of rod

Type of rod / type of material


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Hypothesising ()

When the time increases, the temperature of substances X

will increase and constant during melting point.


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Hypothesising ()

The presence of impurities increase the boiling point of distilled water


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Question 10Making Reports

Guide to answer

Question begins with a general statement

Hypothesis ()

Aim of experiment ()

Identification of variables ()

List of apparatus and material (

)

Procedure ()

Tabulation of data ()

Conclusion ()


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SPM 2010 Q10

Study the following statement:

The grow th o f bacter ia is better in the dark than under the light.

Suggest onehypothesis to investigate the above statement [1 mark]

Using petri dish, nutriet agar, Bacillus subtillis bacteria and otherapparatus, decribe an experiment to test the hypothesis in (a) based inthe following criteria:

Aim of the experiment [1 mark] Identification of variables [2marks]

List of apparatus and materials [1mark]

Procedure or method [4 marks]

Tabulation of data [1mark]


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SPM 2012 Q10

Study the following statement:

The grow th o f bacter ia is di f ferent in alkal ine and nei tral con di t ion .

Suggest onehypothesis to investigate the above statement [1 mark]

Using 2 sterile petri dish, sterile nutriet agar, sodium hydroxide solution,distilled water and other material, decribe one experiment to test thehypothesis in (a) based in the following criteria:

Aim of the experiment [1 mark] Identification of variables [2marks]

List of apparatus and materials [1mark]

Procedure or method [4 marks]

Tabulation of data [1mark]


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Questions 11 and Question 12

You have to use knowledge and

understanding of scientific concepts and

theories to answer.

You have to answer the question by

drawing and writing a short essay

following the instruction of the question.


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Q11(a) and Q12(a)

Similarities or difference in between 2

terms or

State 4 difference between saturated fat and

unsaturated fat (SPM 2011, Q12)

State 1 similarities and 3 differences between

alloy and pure metal. (SPM 2009 Q11)

Description Describe how a submarine can dive and

move underwater. (SPM 2008 Q12)


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Q11(a) and Q12(a)

Explanation and properties Explain the chain structure of the polymers in a

thermoset. State 2 properties of a thermoset that arecaused by the chain structure of the polymer. (SPM2007 Q12)

Methods and explain A farmer finds the produce from his fruit farm

increases. The fruit is sent to a factory to beprocessed. State 2 methods that can be used toprocess the fruit. Explain the methods. (SPM 2005Q12)

Effects Explain the effect of disposal of toxic substances from

factories to the environment. (SPM 2007 Q11)


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Q11(a) and Q12(a)

draw diagram state function

Draw a block diagram of a radio receiver and state

the function of any 2 of its parts. (SPM 2006 Q12)

listing terms and state function Give 2 types of chemical substances in food

processing and state their function. (SPM 2012 Q12)

Explain phenomena

At noon the sky looks blue and during sunset the Sunlooks red. Explain how this phenomena occurs. (SPM

2011 Q11)


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Q11(a) and Q12(a)

Advantages and disadvantages

State 2 advantages and 2 disadvantages ofthe lead-acid accumulator. (SPM 2010 Q11)

Properties Clay pots are made of non-metals. State 4

physical properties of non-metals. (SPM 2012Q11)

Procedure

Importance


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Q11(a) and Q12(a)

COMPARE AND CONTRAST(4 marks)

If the content shows 3 types of different things,

only 2 of them will be chosen in the exam.

Can use table to answer this question

Chose the easiest properties of characteristics to

do the notes, memories and answer the

questions. You need to know at least 2 examples for both

comparisons.


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Q11(b) and Q12(b)

Problem solving

SPM 2008 Q11

A group of officers from the Health

Department were asked to control dengue

fever in a residential area. Explain how could

they overcome this problem. Your answer

should include the following: Identify the problem [1m]

Clarification of the problem [1m]

Suggest 4 methods to solve the problem. [4m]


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Answer

Identify problem to control dengue fever in a residential area Clarification of the problem

Dengue fever is a disease transmitted by femaleAedes mosquitoes.

4 methods Prevent mosquitoes breeding by drain away water

form unused containers, burying containers in theground or covering containers with lids.

Real guppy fish to kill the larvae of mosquitoes / spraya layer of oil on the water surface.

Kill the adult mosquitoes by spraying insecticide orfogging.

Using mosquito nets or coils to avoid being bitten by

mosquitoes.


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Answer

Identify problem The fruits will become rotten after a few days if left unsold.

State one reason why the problem occurs Microorganism such as bacteria and fungi cause the fruits to be

rotten.

Suggest three methods to solve the problem Cooling the fruits between 0C to 5C.

Canning

Exposure / sterilise the fruits to radiation such as gamma rays

Chose the best method and explain your choice Canning. This method is cheap and canned fruits have a longer

shelf-life.


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Q11(b) and Q12(b)

Construct concept

SPM 2012 Q11

Diagram shows the objects made of different

metals.

metals

Iron padlock

Copper wireAluminium pan

Gold jewellery


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Answer

3 common characteristics High boiling points and melting points

High density

Malleable

Shiny surface Good heat conductivity of electrical conductivity

one other example of metal

Zinc / silver / .

one example of non-metal Sulphur / chlorine ..

Relate the common characteristics to construct theconcept of metals

Metals have high density, malleable and shiny surface.


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Q11(b) and Q12(b)

Study the information in Diagram andconstruct the concept of organic compounds.Your answer should be based on the followingaspects:

Identify 2 common characteristics [2m]

Given one other example of organic compound[1m]

Give one example of inorganic compound and

state one characteristic [2m] Relate the common characteristics to construct the

concept of organic compound. [1m]


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Answer

2 common characteristics Contain carbon

Obtained from plants or animals

one other example of organic compound

Proteins / silk / urea / cellulose one example of inorganic compound and state

one characteristic Silver

it is composed of minerals Relate the common characteristics to construct

the concept of organic compound An organic compound is a carbon compound which

originates from a plant or an animal.

Teknik Menjawab Soalan Sc 2013 SMK JPP

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