sample final 3

8/12/2019 Sample Final 3

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Code No.: SCE 3112

2

SECTION A(20 marks)

Answer allquestions in this section.

1. The Head of Science Department is responsible for the administration ofthe Science Laboratory. The responsibilities of the Head of ScienceDepartment are

I. supervise and manage the laboratory physical facilities.

II . plan and state the laboratory safety rules.

III . stock maintenance, doing write-off and disposal of assetslaboratory equipment.

IV. manage Science co-curriculum activities in school.

(A) I and II only

(B) III and IV only

(C) I, II and III only

(D) I, II, III and IV

2. Encik Ali the Science Teacher at Sekolah Kebangsaan Permas Jayareceived a quantity of science equipment from a company XYZ. Afterchecking Encik Ali should enter all the details of the equipments that hadbeen received in a stock book.

Which of the following is the correct way to record a stock book?

(A) Main Stock Book Inventory Book Laboratory Stock Book

(B) Inventory Book Laboratory Stock Book Main Stock Book

(C) Laboratory Stock Book Main Stock Book Inventory Book

(D) Inventory Book Main Stock Book Laboratory Stock Book


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Code No.: SCE 3112

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3. Which of the following guidelines is incorrect for performing a surgeryin a biology laboratory?

(A) All speciment must be killed using formalin.

(B) All specimens must be pinned on their back.

(C) Blood vessels must be tied before you cut them.

(D) Tissues and organs that are to be kept in water or salt solution mustbe moistened.

4. You are required to grow a type of bacterial in a Petri dish which containsagar. Why does the Petri dish have to be overturned?

(A) To avoid water condesation.

(B) To obtain optimum bacteria growth .

(C) To ensure the hot agar does not kill the bacteria.

(D) To reduce the risk of contaimination by other bacteria.

5. The fire extinguishers that can be used to put out fire caused by solidmaterials, liquid materials and electricity are

(A) foam and water.

(B) powder and foam.

(C) foam and carbon dioxide.

(D) powder and carbon dioxide.


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Code No.: SCE 3112

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6. Corrosive chemicals such as concentrated acid can cause scalding.

Which of the following treatments for the scalding caused by concentratedacid should be taken?

I. Expose the affected part to the air.

II. Apply antiseptic to the affected part.

III. Rinse affected part with dilute vinegar solution.

IV. Wash or soak the affected part with plenty of water

V. Rinse the affected part with dilute sodium bicarbonatesolution

(A) I and II only

(B) II and III only

(C) III and IV only

(D) IV and V only

7. What volume of 10.0 M HCl stock solution would you need to make 0.5 Lof 1.0 M HCl solution?

(A) 5 ml

(B) 50 ml

(C) 0.5 ml

(D) 0.05 ml

8. Which of the following is correct when preparing of chemical solution?

(A) The solute is the liquid which dissolves the solvent

(B) The solvent is the substance which dissolves in water

(C) Pure water is used in the preparation of an aques solution

(D) A solution which is prepared with water as a solvent is known as anaqueous solution


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Code No.: SCE 3112

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9.

Snake Frog Prawn

Figure 1

The techniques of presevation animal are depend on type of animals.

Which of the following is the suitable solution used in preserving animals inFigure 1?

(A) Choloroform

(B) Formaldehid

(C) Chloro methylethane

(D) Phosphorus pentachloride

10.

Figure 2

Figure 2 shows the steps taken in making dry preservation of plant(herbarium)

Identify the steps P, Q and R

P Q R

(A) Squeezing Identification Pressing

(B) Labelling Squeezing Identification

(C) Pressing Identification Labelling

(D) Identification Pressing Labelling

Collecting P Drying

Classification Q Arrangingand

mounting

R Storing


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Code No.: SCE 3112

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11. Which of the following is correctregarding wet preservation?

(A) It is better than dry preservation

(B) It can only used for preserving animals

(C) It is suitable used for keeping small animal specimen

(D) Formalin is used to preserve small animal in wet preservation

12. What are the factors should be considered to select resources in teachingand learning Science?

(A) Content, pupils and cost

(B) Cost, pupils and skills

(C) Content, cost and interest

(D) Pupils, interest and skills

13.

Which video is the bestto select as a teaching and learning resources inthis case?

(A) The video which was produced in 1972 by NASA.

(B) The video which is used in schools in the United Kingdom.

(C) The National Geographic video cost $500.00 US dollars.

(D) The video is captured in Malaysia by the senior science teacher.

Mr. Lee is planning to use a video as his teaching and learningresource to teach Year Five pupils on the topic Phases of the moon .He has to consider all the right criteria in selecting a suitable video


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Code No.: SCE 3112

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14. The educational science software designed to provide educationalinstruction for classroom used is a

(A) module.

(B) courseware.

(C) video compact disc.

(D) multimedia programme.

15. What is the benefit to improvise on our own science apparatus?

(A) To have fun and make it thrilling.

(B) To make a pupils enjoy learning science.

(C) The apparatus or equipment available is too expensive.

(D) To make teachers supply the school laboratories with equipment

16. Which of the following characteristics should be considered in the evalutionof equipment?

(A) The equipment should not be neat and attractive.

(B) The equipments should be frequently maintained.

(C) The equipment must perform the role it assigned to do .

(D) The internal parts and working should not clearly seen.

17. The advantage of using filed trip in science teaching is

(A) easy to handle and manage pupils.

(B) giving a sense of realism and integration.

(C) helping in reducing environmental hazards.

(D) experience can be gained developmentally.


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Code No.: SCE 3112

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18. The science centre is an area in the school where pupils learn Science inan informal setting. In the science centre

(A) pupils are encouraged to take home the materials to conductexperiments

(B) activities or materials should not be related to what pupils learn inclass

(C) activities or material related to pupils and should be changedperiodically by the teacher

(D) pupils experiment or manipulate the materials only in the presenceof the teacher

19. What are the main factors should be considered when the teacher want toconduct science fair?

I. area

II . publicity

III . printed material

IV. co-curriculum activities

(A) I and II only

(B) III and IV only

(C) I, II and III only

(D) I, II, III and IV

20. The mostimportant purpose of the science fair is

(A) providing finance for science club.

(B) stimulating interest in science for teacher.

(C) to stimulte and interest in science for all pupils.

(D) maintaining an inventory of science materials and apparatus.


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Code No.: SCE 3112 Index No. : __________________

10

2. Science experiment usually involves specific standard solutions. Inschool it is prepared by the laboratory assistant, but a science teachershould know how to prepare the solutions theoretically and practically.

(a) What is meant by standard solution?

_____________________________________________________

_____________________________________________________

_____________________________________________________

(1 mark)

(b) Show the calculations on how to prepare a 100 cm3

standard solution of 0.1 M (mol dm-3) sodium hydroxide.( Relative Molecular Mass of NaOH: 40 gmol-1)

(3 marks)

(c) Explain the steps taken to prepare the solution in (b)

_____________________________________________________

_____________________________________________________

_____________________________________________________

_____________________________________________________

_____________________________________________________

(6 marks)


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3. (a) Miss Siti is a Year Five science teacher. Before she sarts herlesson, she gives an explaination to the pupils about the rules ofscience laboratories

(i) State two general rules of science preparation room

_________________________________________________

_________________________________________________

_________________________________________________

(2 marks)

(ii) State threerules in science laboratories

_________________________________________________

_________________________________________________

_________________________________________________

(3 marks)

(b) Fire is a chemical reaction involving rapid oxidation or burning of afuel. It needs three element to occur i.e oxygen, heat and fuel asshown in Figure 3.

Based on the statement above, list three steps that can be used to

prevent fire in the school laboratory

______________________________________________________

______________________________________________________

______________________________________________________

(3 marks)

Figure 3

HeatOxygen

Fuel


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(c) Fire can be classified into four types that are A, B, C and D.Complete table bellow to shows the cause and type of fireextiguisher

Class of fire Cause Type of Fire Extinguisher

B

C

(2 marks)


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4. The science teacher finds that field trip are closely related to many othermethods and procedures in teaching and learning process. It also has theadvantanges of utilizing many things in the pupils enviroment for thefirst-hand study. Whereas improvisation of teaching and learning resourcesin science is able to make teaching and learning of science become moremeaningful and interesting.

(a) (i) Give two examples of outdoor enviroment activities inScience

_________________________________________________

_________________________________________________

_________________________________________________

(2 marks)

(ii) List fouractions and procedures that need to be consider tomake sure the outdoor enviroment activity is successful

_________________________________________________

_________________________________________________

_________________________________________________

_________________________________________________

_________________________________________________

(4 marks)

(b) Describe four aspects to be considered to improvise a scienceequipment and apparatus

______________________________________________________

______________________________________________________

______________________________________________________

______________________________________________________

______________________________________________________

(4 marks)


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SECTION C(40 marks)

Answer any two questions.

1. The Science Laboratory is always used by the science teacher during theteaching and learning process. Accident always occurs due to lack ofknowledge and understanding in handling the apparatus and materials inthe laboratory. One of the accident is chemical spill.

(a) (i) State four types of common chemical spill in the ScienceLaboratory

(4 marks)

(ii) Explain briefly what are the proper chemical spillsmanagement for threetype of spills.

(6 marks)

(b) Describe the first aid procedures should be taken when handlingpupils in case accidentally swallowed some chemicals during ascience experiment.

(10 marks)

2. Preservation specimen as teaching and learning resource help to allow thepupils to observe closely on the objects being studied. One of the famouspreservation technique is dry presevation and able to preserve animal orplant.

(a) Desribe the steps to be taken together and the materials needed topreserve a bird using the dry preservation technique.

(10 marks)

(b) Discuss the steps taken in making plant preservation.

(10 marks)


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3. Effective science teaching and learning in the classroom involves the useof teaching and learning resources by the science teacher. In order tomake teaching of science more interesting and meaningful, the scienceteacher needs to use the teaching and learning resources such astransparency, model, slides, courseware and multimedia materias.

(a) Elaborate five technique of teaching using transparencies

(10 marks)

(b) Mr Ahmad decided to take his pupils to visit Petrosains at KLCC asone of field trip for teaching and learning process in science.

Explain five utilization of the field trip.

(10 marks)

sample final 3

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