Science Mid Term3 and Answer

8/20/2019 Science Mid Term3 and Answer

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Medical/ perubatan Agriculture/agrikultur Communication/komunikasi Domestic/domestik

SAINS TINGKATAN 1

PART A (STRUCTURE/STRUKTUR)

1. Label the pictures below according to the correct fields using the words given.Label gambar dibawah berdasarkan bidang yang betul menggunakan perkataan yangdiberi.

a. Communication/komunikasi b. Agriculture/agrikultur

c. Medical/ perubatan d. Domestic/domestik

2. Diagram 2.1 shows some measuring tools commonly used in the science laboratory.Label all the apparatus below.Rajah 2.1 menunjukkan beberapa alat pengukuran yangbiasanya digunakan di dalam makmal sains.Labelkan alatan di bawah.

P Q R

burette Measuring cylinder pipette

Diagram 2.1/Rajah 2.1

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SAINS TINGKATAN 1

#. A student carried out an activity to find the depth of a well as shown in Diagram #.1.Seorang pelajar menjalankan aktiviti untuk mencari kedalaman telaga sepertiditunjukkan Rajah 3.1.

$a% &uggest one method should he use to find the depth of that well'Cadangkan satu cara untuk mencari kedalaman telaga itu

Long stic( and ruler/string tied with stone and ruler/sonar

!. Draw lines to identify three other physical )uantities in the word ma*e below$in +nglish only%.

, - 0 , A A

- + + 3 4 5 & + C 6 A M 5 M D ML + 7 8 9 0 + : , D 9 , + A 8 +0 8 M , - 9 - 9 - + : A & ; A, 5 D 6 + & < - 8 5 + ; - D & ; 6 < < L -- 0 = L 6 ; A +

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Diagram 3.1/Rajah3.1

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SAINS TINGKATAN 1

>. Diagram >.1 shows a curved line./Rajah !.1 menunjukkan garis lengkung.

(i)9ow would you measure the length of the curved line'/bagaimanakah anda

mengukur panjang garis lengkung using string and ruler/opisometer

A student carried out an activity to measure the length of the curve shown in Diagram>.1. he results are shown in able >.2/ seorang pelajar menjalankan aktivitimengukur panjang lengkung seperti yang ditunjukkan dalam Rajah !.1. "eputusan

ditunjukkan dalam #adual !.2.

-eading/$acaan 1 2 #

Length of curved line/ panjang garis lengkung %cm&

?.@ ?.? ?.

able >.2/#adual !.2

(ii) ,hy did the student ta(e three readings' 'engapa pelajar itu mengambil tigabacaan

o get accurate reading/accurate length

1 mark "

(iii)3ased on able >.2B what is the length of the curved line' 3 erdasarkan #adual !.2(berapakah panjang garis lengkung

?. cm $deduct mar( if no unitcm%

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Diagram >.1/Rajah !.1

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SAINS TINGKATAN 1

@. Diagram 1 shows the structures of a plant cell/-aah menunu((an stru(tur seltumbuhan.

$a% Label the structure of plant cell on Diagram @/Label struktur sel tumbuhan di Rajah ).

$b% is where photosynthesis ta(es place. Label in Diagram @/

* adalah tempat dimana +otosintesis berlaku. Labelkan * dalam Rajah ).

$c% &tate the function of the parts labelled M and 7./7yata(an fungsi bahagian yang berlabelM dan 7.

ME control cellFs activities

7E proctect cell/give fiGed shape to cell

$d% 7ame one structure of the plant cell which is not found in an animal cell./,amakan satustruktur sel tumbuhan yang tidak didapati di dalam sel haiwan.

Chloroplast/cell wall

$e% Draw lines to match the structures of the cell and their functions/ Lukis garisan untukmemadankan struktur sel dan +ungsinya.

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Diagram @/-aah @

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M

7

&tructure/ struktur :unction/ +ungsi

-egulates the movement of substances in and out of the cell/mengawal pergerakan masuk dan keluar bahan dari sel

rotects and maintains the shape of the cell/ melindungi dan

mengekalkan bentuk sel

Controls all activities of the cell/mengawal semua aktiviti sel

Contains cell sap/mengandungi sel sap

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Cellmembrane/membran sel

=acuole/vakol

7ucleus/nukleus

2 mark

nnucleus

7cell wall

$b%


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a. Epithelial Cells b. Muscle cell c. Red blood cell d. er!e cell

SAINS TINGKATAN 1

". #ill i$ the bla$%s &ith the a$s&er gi!e$ i$ the bo' belo&./ Isi ruang kosong dengan

jawapan yang disediakan dalam kotak di bawah.

. Draw lines to match the ollo&i$g cells &ith the correct u$ctio$s./ Lukis garisan untuk

padankan sel dengan fungsi yang betul.

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Muscle cell/ sel otot Epithelial Cells/ sel epitelium

er!e cell/ sel saraf Red blood cell/ sel darah merah

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Cell tissue +,stem orga$ism

SAINS TINGKATAN 1

Cell Function

Red blood cell/ sel darah merah Carries i$ormatio$ i$ our bod,/membawa

maklumat dalam badan

Epithelial Cell/ sel epitelium -llo&s mo!eme$t/membenarkan pergerakan

er!e cell/sel saraf Co!ers the bod, surace/meliputi permukaanbadan

Muscle cell/ sel otot ra$sport o',ge$/mengangkut oksigen

. (a) Complete the arra$geme$t o cell orga$isatio$ belo& rom simple to

comple'/ Lengkapkan susunan organisasi sel di bawah dari ringkas ke kompleks.

orga$

$b% $i% 7ame the system that is referred to in the above statement/namakan sistemyang merujuk pada pernyataan di atas.

-espiration system

$ii% 8ive one eGample of an organ found in this system/ berikan satu contohorgan yang dijumpai di dalam sistem ini.

7ose/trachea/lungs

1H Complete the names of each organism below. Lengkapkan nama setiap organisma dibawah.

Uniell!lar or"anism/Oganisma unisel

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his system ta(es in oGygen and removes carbon dioGide from the body.Sistem ini membawa masuk oksigen dan mengeluarkan karbon dioksida

dari badan.

0

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SAINS TINGKATAN 1

a.

#!ltiell!lar or"anism/organisma multisel

a.

b.

11. Diagram 11 shows pictures of organisms -B &B and / Rajah 11menunjukkan gambarorganisma R(S(- dan .

3ased on your observations on the figureB classify organisms -B &B B and into twogroups based on ommon $arateristis. 8ive eGamples of organisms belonging to

each group/$erdasarkan pemerhatian pada rajah di atas( (elas(an organisma -B&B dan (epadadua (umpulan berdasar(an ciriciri sepunya. 7yata(an contoh organisma bagi setiap(umpulan.

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+ L E 7 A

& 5 - 8 6 - A

M C -

- &

Diagram 11//iagram 11

-B &B B and

Co$sist o o$e cell Co$sist o ma$, cell

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SAINS TINGKATAN 1

12. Diagram below shows some activities to study the properties of air/ Rajah di bawahmenunjukkan aktiviti untuk mengkaji si+at udara.

$a% Draw lines to match the activity with its property/ Lukis garisan untuk padankan aktivitidan si+atnya.

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rganisms/organisma R+

Commoncharacteristics/Ciri0ciri sepunya

-+-6/ S-

5t occupies space/memenuhi ruang

AC5=56/ "-4-

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SAINS TINGKATAN 1

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5t has mass/'empunyai jisim

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SAINS TINGKATAN 1

1#. $a%ic( $ % for the obect that has mass and occupy space and $ I % for the obectthat is not/ -andakan % & pada objek yang mempunyai jisim dan memenuhi ruang dan % 5 &

pada objek yang tidak mempunyai jisim dan tidak memenuhi ruang.

$i% 8oose/angsa

$ii% Light/cahaya

$iii% &tone/batu

$b% classify the words listed below to the living thingsB nonliving things and nonmatter /kelaskan perkataan yang disenaraikan di bawah kepada benda hidup( benda bukan hidup dan

bukan jirim

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$iv% electric current/arus ele(tri(

$v% &hadow/bayangbayang

$vi% &oil/tanah

I

I

I

5uma$/manusia +$ail/ siput hu$der/guruh

air/udara heat/haba dust/habu%

Microorga$ism/mikroorganisma spoo$/ sudu +u$light/caha,a matahari

5uma$ s$ail

microorga$ism

-ir

Dustairspoo$

5eat

5eat thu$der su$light

6i!i$g thi$gs/

benda hidup

o$ 6i!i$g thi$gs/

benda bukan hidup

o$ matter/

Bukan jirim

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SAINS TINGKATAN 1

1!. Diagram 1! shows pictures of three states of matterB B 0 and -./ Rajah 16menunjukkan gambar tiga keadaan jirim.

0 -

solid li)uid gas

Diagram 1!

$a% n Diagram 1! aboveB label the states of matter for each picture using the followingwords/ pada rajah 16 di atas( label keadaan jirim bagi setiap gambar menggunakan

perkataan berkenaan.

Li)uid/cecair 8as/gas &olid/ pepejal

$b% 5n the spaces belowB draw the arrangements of particles in the three states of matterB B0B and -. /alam ruangan di bawah( lukis susunan 7arah dalam tiga keadaan jirim( *( 8

dan R.

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0 -

5elium

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SAINS TINGKATAN 1

$c% 8ive another one eGample of a substance that has a similar arrangement ofparticles as matter 0./$eri satu contoh lain bahan yang mempunyai susunan 7arah yang sama dengan jirim 8.

oilBpaintB in( $any li)uid%

$d% &tate one difference in the movement of particles between matter and 0. / ,yatakansatu perbe7aan pergerakan 7arah bagi jirim * dan 8.

&olid cannot moveBonly vibrateLi)uidcan move freelyB collides with each other $any point1 mar(s%

1%. Complete the following statement to define density/Lengkapkan penyataan berkenaan

untuk mende+inisikan ketumpatan.

$a% Density of a substance is the mass per unit volume of that substance."etumpatan sesuatu bahan adalah jisim per unit isipadu sesuatu bahan.

$b% he diagram shows two obects P and R placed in a gas ar containing li)uid Q./ Rajah

menunjukkan dua objek P dan R diletakkan di dalam baling gas yang mengandungi

cecair Q .

Un&erline the correct answer to eGplain why some obects float/ garis bawah bagi

jawapan yang betul untuk menjelaskan mengapa sesetengah objek terapung.

i. P floats in Q because P is $denser / less dense% than Q/

P terapung dalam Q disebabkan P % lebih tumpat9kurang tumpat& berbanding Q .

ii. R sin(s in Q because R is $denser / less dense% than Q/

R tenggelam dalam Q disebabkan R % lebih tumpat9kurang tumpat& berbanding

Q .

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Diagram 1/Rajah 1

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SAINS TINGKATAN 1

$c% A boo( has a mass of 2>H g and a volume of >HH cmK. Sebuah buku mempunyai jisim

2!: g dan isipadu !:: cm;.

.

1@. Diagram 2.1 shows a bea(er containing three materials with different densities/Rajah 2.1menunjukkan sebuah bikar mengandungi tiga bahan dengan ketumpatan yang berbe7a.

$a% 3ased on Diagram 2.1B arrange the three substances according to their densitiesin an ascending order/$erdasarkan Rajah 2.1( susun tiga bahan berdasarkan ketumpatan dalam turutanmenaik .

Cor(B oilB water

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Cal!late the density of the boo(/ (ira(an (etumpatan bu(uE

Density 2>Hg/>HH cmK.

Density H.> g/cmK.

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Diagram 2.1/raah 2.1

Measuringcylinder/silinder penyukat

Cor(/gabus

,ater/air

il/minyak


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SAINS TINGKATAN 1

$b% ,hich of the following uses the principle of density' ic( $ % the correct answer in theboG given./ 'anakah antara yang berikut menggunakan prinsip ketumpatan. Semak %< &

jawapan yang betul dalam kotak yang diberi.

'ot air balloon/

Belon udara panas

Car/

kereta

S!bmarine/

submarin

ile/ basikal

$c% Diagram 2.2 shows how logs are transported in the river/ Rajah 2.2 menunjukkan

bagaimana kayu balak diangkut di dalam sungai.

,hy do logs float in water as shown in Diagram 2.2'

'engapa kayu balak terapung di dalam air seperti rajah 2.2 Logs has less density compare to density of water

$d% ,hy is it easier for a person to float in the sea than in the river''engapa sangat senang bagi seseorang untuk terapung di dalam laut berbanding didalam sungai

Densito of sea water is higher compare to density of the river.

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Diagram 2.2

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SAINS TINGKATAN 1

PART (S'*RT ESE+/KARA,-A, R+,-KAS)

1. &tudy the following statement carefully/ kaji penyataan berikut dengan teliti.

NA teacher as(s Ah Chong to measure the length of the classroom by using two waysB which are$1% using footstep and $2% using a measuring tape. he activity is repeated three times. 9oweverB

Ah Chong noticed that the measurement obtained through the first way is not accurate comparedto the second wayO

=Seorang guru menyuruh h Chong mengukur panjang bilik darjah dengan menggunakan duakaedah( %1& menggunakan tapak kaki dan %2& menggunakan pita pengukur. ktiviti ini diulang

sebanyak tiga kali. >alaubagaimanapun( h Chong menyedari bahawa pengukuran yang diperolehi menggunakan cara pertama tidak tepat berbanding cara kedua?.

,rite the discussion about the statement based on the following aspects/tulis perbincangan mengenai pernyataan berikut berdasarkan aspek berkenaan@

$a% the standard unit used and its importances/ unit piawai yang digunakan dan kepentingannya.

$b% advantages of standard unit/ kebaikan unit piawai.$c% problems which may arise if standard unit is not used/masalah yang mungkin timbul sekiranyaunit piawai tidak digunakan

Answer/ jawapan@

$a nit piawai yang diguna(an adalah meter Masalah (eituan dan (epersisan dalam suatu pengu(uran dapat diselesai(an point sahaaB > G 2 mar(ah 1H mar(ah%

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SAINS TINGKATAN 1

2. -ead the statement below/$aca pernyataan di bawah

N9umans have various types of cells which carry out speciali*ed functions. Cells speciali*ationallows human to perform various life processes efficientlyO.

='anusia mempunyai pelbagai jenis sel yang menjalankan +ungsi0+ungsi yang tertentu.*engkhususan sel membenarkan manusia menjalankan pelbagai proses kehidupan dengan

lebih berkesan.?

,rite the discussion about the statement based on the following aspects/tulis perbincangan mengenai pernyataan berikut berdasarkan aspek berkenaan@

$a% specialisation of cells in human/ pengkhususan sel dalam manusia.$b% effect that may arise if our body does not possess cell specialisation./kesan yang akanberlaku sekiranya badan kita tidak mempunyai pengkhususan sel.

$c%why human being is a compleG organism'/mengapakah manusia ialah organisma yangkompleks

Answer/ jawapanE

$a% there are more than 2HH different types of cells in the human body cells have different shapes and structures to carry out different functions.these cells are calledspeciali*ed cell speciali*ed cells are adapted to carry out a special function eGampleE reproductive cells enable humans to produce offspring.eGampleE white blood cells destroy bacteria that enter the body and protect the body from

infections.

$b% Phuman beings cannot carry out life processes well to form systems that are complete andperfecteGampleE human beings not able to respire if there is no red blood cells to transport oGygen toall cells in the body

$c%human beings are compleG organisms $have different types of cells which are organi*ed intotissuesB organsB systems%eGampleE human brains enables us to spea(B reasonB create and perform many speciali*ed

functions.+GampleE human brains enable us to distinguish between right and wrong actions.+Gamples E humans are able to create technologies and invent devices to overcome theirlimitations

$ma(simum > point sahaaB > G 2 mar(ah 1H mar(ah%

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1H ma

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Science Mid Term3 and Answer