Name:

NANYANG PRIMARY SCHOOL

PRIMARY THREE SCIENCE

SEMESTRAL ASSESSMENT 1

2011

BOOKLET A

Date: 10 May 2011

Duration : 1 h 45 min

Class: Primary 3 ( )

Marks Scored-

Booklet A: 60

Booklet B: 40

Total100

Parent's signature:

mi mw°AM lJi™S BOOKLET UNTIL YOU ARE TOLD TO DO SOFOLLOW ALL INSTRUCTIONS CAREFULLY.

Booklet Aconsists of12 printed pages.SI

Section A(30 x 2 marks « 60 marks)f°I eachhf^on from 1to 30, four options are given. One of them is the correctanswer Make your choice (1, 2, 3or 4). Shade the correct oval (1, 2, 3or 2on the Optical Answer Sheet provided. '

1. Studythe things in groups P and Q below.

Group P Group Q

What is the most appropriate heading to group them in Groups Pand Q?

Group P(D

(2)

(3)

(4)

Living thingsGroup Q

Things that were never alive

Things that move from place toplace by themselvesThings that reproduce by spores

Things that do not respond tosound

Things that cannot movefrom placeto place by themselvesThings that do not reproduce byspores

Things that respond to sound

Which ofthe following is/are living thing(s)?

A Mould B Apple seed

C Cloud D Fire

(1) A only(2) A and B only(3) B and D only(4) A, B, C and D

3. Amelia was cutting some onions when her eyes became teary and sheblinked her eyes repeatedly. What characteristic of a living thing does thisevent show?

(1) Living things can excrete waste.(2) Living things need food to survive(3) Living things can respond to stimuli.(4) Living things can move by themselves.

4. Which one ofthe following animals CANNOT fly?

A Ostrich B Siiverfish

5.

6.

C Tick

(1)(2)(3)(4)

D Penguin

A and DonlyB and C onlyA, B and DonlyA,B,CandD

The table below shows the characteristics of four different organisms, W, X,Yand Z, that can be found in Unde Ton/s garden. AW* indicates that theorganism has a particular characteristic.

Organism Bearsflowers

Found

on landMakes itsown food

Poisonous

W / / / •X / •Y / /

""^^"™

Z /

Based on the information in the table only, which one of the followinastatements is TRUE? y

(1)(2)(3)(4)

W, X,Y and Z are plants.The organisms that bear flowers are also poisonous.There are two poisonous organisms which live on land.There are more organisms Irving on land than in the water.

Which of the following statements about fungi are TRUE?

A

B

C

D

(D(2)(3)(4)

All fungi can be eaten.Fungi grows best in moist places.Fungi reproduce byprodudng spores.Some fungi can make their own food.

A and DonlyB and ConlyA, B and DonlyB,C and Donly

83

7. The diagram below shows the positionsof water plants A, B, C and D in apond.

aa

Four pupils, Jane, Siti, Raja and Ming were asked to locate the positions ofwater hyadnth, cattail and hydrilla in the pond. The answers provided byeach pupil are shown in the table below.

Name of pupil Position of plant in the pondWater Hyadnth Cattail Hydrilla

Jane D A B

Siti A C D

Raja D C B

Ming B D C

Which one of the following pupils has identified the positions of all the waterplants correctly?

(1) Jane

(2) Siti

(3) Raja(4) Ming

8. Chariene observed the characteristics of4 different types of organisms, A, B,C and D. She then recorded her observations as shown in the table below.

A 'V* indicates that the organism hasa particular characteristic.

Characteristic OrganismsA B C D

bears flowers / /

is found on land / •

reproduces by spores / /

is poisonous /

Based on the observations, which of the following organisms could A, B, Cand D be?

A B C D

(1) Mould Pine tree Pong Pong Toadstool

(2) Stag horn's fern Duckweed Pong Pong Water moss

(3) Toadstool Duckweed Stag horn's fern Water moss

(4) Mould Water moss Pine tree Duckweed

9. Cindy carried out an experiment to find out how long living things cansurvive under different conditions. She put an ant in each of the fourcontainers, A, B, C and D as shown below.

In which container will the ant die in the shortest period of time?

Wire>gauze

^ mm m ^^ 4gfr

Biscuit Water

Container A

Sealed Cap

\

Water

Container B

5*?^ *^

Container C Container D

(1)(2)(3)(4)

Container A

Container B

Container C

Container D

10. Some pupils made the following statements about mammals.

Pati Mammals are not animals.Ken Some mammals have no hair.Rahid Some mammals live in the water.Liling All mammals give birth to young alive.

Which pupil has made the CORRECT statement?

d)(2)(3)(4)

Pati

KenRahid

Liling

S5

11. Look atthe following classification table as shown below.

Plants

n

RSpanish Moss

Rafflesia Rose

Which of the following characteristics are suitable as headings for P Q RandS? ' '

^^^MjtAjteS^^Aj^ljjJfcjj fiSffijseiiinJsittiiSiift frhMUim

(1) Flowering Non-flowering Poisonous Non-poisonous

(2) Nonliving Living Poisonous Non-poisonous

(3) Non-flowering Flowering Non-poisonous Poisonous

(4) Living Non-Irving Non-poisonous Poisonous

12. Which one ofthe following shows only examples ofnon-flowering plants?

(1) Coconut and Banana(2) Banana and Bird's Nest Fern(3) Allamanda and Bougainvillea(4) Pine Tree and Dragon Scale Fern

13. Alex conducted an experimenL He put a well-watered potted plant in acupboard near the window in the dassroorh. After one week, hediscovered that the plant had died.

What does Alex's experiment show?

(1) Plants need sunlight.(2) Plants need warmth.(3) Plants need water.(4) Plants need food.

14. On a field trip. Amber collected two types of specimens, Xand Y. She putthem in two separate containers that were filled with moist soil Shewatered both specimens daily.

The diagrams below show Amber's observations a few days later.

15.

At the beginning A few days later

Soil- 7^Soil

What can beconduded from Amber's observations?

(1) Y is a shell.(2) Xisa living thing.(3) Xhas become a living thing.(4) Ydoes not need water to grow.

^!SSSS!iiSSm and made the fo,,owin9 observafionsAmy It is a non-flowering planLBen It is an aquatic plant.Connie Itfloats on water.

Which one of the following plants fits the children's description?(1) Water lily(2) Duckweed(?) Water fern(4) Water hyadnth

n

16. The flow chart below is used to classify organisms P. Qand R.I Animals I

Q

R

Based on the flowchart, which one of the following best represent P, QR?

d)

(2)

(3)

(4)

Spiny AnteaterCockroach

Monkey Spiny Anteater Dragonfly

Goat Eagle Platypus

Dragonfly Platypus Cockroach

and

17. Muthuconducted an experiment with 2pieces of bread, Aand B Bread Ais

2J2tk P - 1 P,eces of bread lnt0 2P,astic ba9s. sealed them upBaftlf1!E5? m °°m'Wh3t W°Uld he °bSe"e °n *ea**™*

d)

(2)

(3)

(4)

Bread A

Mould was growing on it

Mould was growing on it.

Mould was notgrowing on it

Mould was not growing on it

Bread B

Mould was growing on it

Mould was not growing on it.

Mould was growing on it

Mould was not growing on it.

18.

19.

20.

Which one ofthe following statements explains why a spider is not an insect?

(1)(2)(3)(4)

An insed has 6 legs but a spider has8 legs.An insed has 2 body parts but a spider has 3body parts.An insed has a pair ofwings but aspider does not have wings.An insed has a pair ofantenna but a spider has 2 pairs ofantenna.

Detu earned out an experiment to find out the conditions in the naturalhabitat ofOrganism P. He put 10 Organism Pin each ofthe 4 sections asshown below and counted the number of Organism P in each section atthe end of the experiment

Start of experiment End of experiment

Based on the data that he has collected, which one of the followinqconditions are those that are most similar to the natural habitat ofOrganism P?

(1) wet and dark(2) dryand dark(3) wetand bright(4) dry and bright

^^^^T^s^Z^^aK9m^a^^to^Group A

ipldfish

Group Beagle

penguin

Group C

hippopotamuszebra

Under which group would asnail be dassified?

(1) A

(2) B

(3) C

(4) D

8

Group Dcrab

prawn

8«?

21 2^£S£S1T-animais« •*«< *^oup xcertain characteristics and Y according

Which animal is placed in the wrong group?(1) kiwi(2) spiny anteater(3) chimpanzee(4) grasshopper

22 Sram SZT""""** «°*c"*"rt"« as shown in the

23.

What would happen to the plant after a few days?

(1) Itwould wither and die.(2) It would grow towards Hole A.(3) It would grow towards Hole B.(4) Its leaves would become yellowish.

HoleB

Maggi spotted aplant in the school garden. It has green leaves Somefruits were growing on the plant The plant is most likely to be a*(1) Club Moss(2) Mimosa Plant(3) Bird's Nest Fern(4) Button Mushroom

24. Study the diagram of organism Y below. A, B, C and Dare parts of theorganism. r

Organism Y

Which are the parts that help Y toswim in water?

(•1) A and Bonly(2) B and C only(3) A, Band C only(4) B, C and Donly

25. Which one of the following statements shows the importance of feathers tobirds?

(1)(2)(3)(4)

Feathers help the birds to swim.Feathers can be used to build birds' nest.Feathers keep the birds warm during flightFeathers help to make the body lighter so that they can fly.

26. Which one of the following statements is TRUE for both birds and insects?

(1) They lay eggs.(2) They have 3body parts.(3) They have a pair ofwings.(4) They have feathers on their body.

27' ^"fI3n^fa V38 asked to ,lst down some facts ab<*rt baderia. whichone or the following statements made byher was INCORRECT?

(D(2)(3)(4)

All baderia are micro-organisms.Baderia causes food to turn bad.All baderia are harmful to living things.Baderia causes dead things to decompose.

10

*/

Study the table belowand answer Q28 and 29.

4 organisms A, B, Cand Dwere grouped using the table below A €V'indicates thatthe organism hasa particular characteristic.

Has scales Has hair

B

Breathes

through gillsGives birth toyoung alive

V

Lives on* land

28. Which ofthe following correctly represents organisms A, B, Cand D?

0)

(2)

(3)

(4)

A B C DSalamander Platypus Goat Molly

Crocodile Man Shark Newt

Guppy Horse Dolphin Salmon

Swordtail Snail Whale Tadpole

29. Which organism would most likely be a tiger barb?

(1) A

(2) B

(3) C

(4) D

11

30. The diagram below shows 5 animals A, B, C, D and E.

B

D

Three of the above animals were classified using the dassification chartasshown below.

Animals

Has scales Does not have scales

Has more than

1 pair of legs Has 1 pair of legs Has more than

1 pair of legs

Whichanimals A, B, C, Dor E best representX, Y and Z?

1)

2)

3)

4)

A B E

D E C

A C B .

D B A

12

9i

NANYANG PRiMARY SCHOOL

PRIMARY THRfeE SCIENCE

SEMESTRAL ASSESSMENT 1

2011

BOOKLET B

Date: 10 May 2011

Duration: 1 h 45 min

Name:

Class: Primary 3 ( )

Marks Scored:

Booklet A: 60

Booklet B: 40

Total: 100

Parent's signature:

( )

DO NOT OPEN THIS BOOKLET UNTIL YOU ARE TOLD TO DO SO.FOLLOW ALL INSTRUCTIONS CAREFULLY.

Booklet B consists of 10 printed pages.

Section B (40 marks)Write your answers to questions 31 to 44 in the spaces provided.Marks will be deducted for misspeltkey words.

31. Label and namethe threebody parts of the insed as shown below. [3]

32. Mandy wore a pair ofwoollen boots out on a rainy day. When she returnedhome, she immediately kept the pair ofwet boots in the storeroom. Twoweeks later, she noticed some greyish-black spots appearing on thewoollen surface of the boots.

Magnified View

a) What organisms were these greyish-black spots? [1]

b) What could Mandy have done to prevent these greyish-black spots fromappearing on the boots? m

«

33. The diagrams below show two Irving things, Xand Y.-

a) How are X and Y similar in the way they reproduce?

b) How do these living things obtain their food?

X:

Y:

34. Study thedassrfication table shown betow carefully.

rn

[2]

Living Things*«£«SP|PPl* ^fltflHffiKffffllKS^B^icSBa

Giraffe Frog Boston Fern MangoRabbit Eagle Spanish Moss Sunflower

Blue Whale Cockroach Mould Tomato

Give a heading for eachjgroup.

Group A:

Group B:

GroupC: _____

Group D:

35. Kenny measured the height oftwo items, f and ^ over a period oftime. Hethen plotted a bar graph as shown below.

Height (cm)

i i

30-

25-

20 -

15 -

10 -

5-

0

Key:

ItemQ

ItemRI I

Oneof the items is a Irving thing and the other is a non-living thing,

a) Which item, Qor R, is a living thing? [1]

b) Explain your answer in (a). [1]

c) When did the two items have the same height? What was their height? [2]

17

36; Landy planted two similar balsam plants A and B. She then plucked offallthe leaves of Plant B.

Plant A Plant B

a) What will happen to plants A and Bafter a few days? [2]

b) Explain your answer in (aj.

37. Autumn is a season when leaves will turn colour and fall off the trees.

Sometime during Autumn, Ken swept up a pile of fallen leaves and left themin a comer of his backyard. Several weeks later, Ken noticed that the pile ofleaves had became smaller and there was mould growing on them.

He conduded that fungi is a group of decomposer that is responsible for thedecomposition of these leaves.

a) Apart from fungi, what is the other group of organism present that helps todecompose the leaves? m

b) Ken picked up a fallen leaf and planted it in a pot of soil. He waters it daily.After two weeks, he realised that the leaf that he picked up did not growintoa plant. Explain why. [1]

38. Guilin placed some worms on a tray. She covered half the tray with blackpaper, as shown in Set-up A below. She then placed the tray out in thegarden during the day. After a while, she realised that the worms hadcrawled to the covered part of the tray.

Set-up A

covered with black paper worms n0t covered w™ black PaDer

%S.'fig&w,n" int° SetHJp Bas **™*^^m me

Set-up B

Potted plantworms

a) Where would the worms most likely be found in Set-up B?

b) What do the above set-ups tell you about living things?

[1]

[1]

il

39. The pictures below show some animals found in the garden.

B

Complete the classification table below by using the letters that reoresentssssssrsuitab,e headings «*cJa^«-^rjs

Heading: Heading:

40. Study the classification table below, which is used to classify 6Plants

I

organisms.

A

balsampong pong

water hyadnth

B

dragon scale fernwater mossmushroom

a) Whic)vone of the above organisms is classified wrongly?[1]

b) Giyeva reason for your answer in (a).[1]

c) In vybich group, Aor B. would lotus be classified?[1]

• ol

41. The diagrams below show organisms A and B.

Organism A Organism B

a) Based on the diagram only, how are Organism Aand Organism Bsimilar?[1]

b) Basedon thediagram only, how are Organism Aand Orqanism Bdifferent?

[1]

42. Many animals feed their young while a young plant grows on its ownwithout anyolder plant providing it with food.

a) Explain how most female mammals feed their young. [1]

b) Explain why ayoung plant does not need an older plant to provide it withfood. m]

8

43. The flowchart below is used to classify 5onanisms A. B. C. DStart

a) Based on the chart, state asimilarity between animals Aand B.

and E.

m

b) Based on the chart, state adifference between animals C and E. [1]

c) Give an example of Organism B.HI

d) Give 9n example of Organism C.II]

44. Study theclassification table below.

Animals

X

owl

emu

man

Y

cat

monkeycrocodile

bear

mosquitodragonfly

3) Xc?it?nlmal ,S 9rOUPed Wr0n9,y 3nd in WhiCh 9rOUp' X' Yor Z'wou,d vou

b) What characteristic is used to group the animals above?

c) What is a suitable heading for Y?

Setters: Ms Jayla TanMrs Shirley Lam

END OF PAPER

10

[1]

[1]

odKH£fi*

EXAM PAPER 2011

SCHOOL : NANYANG PRIMARYSUBJECT: PRIMARY3SCIENCE

TERM SA1

m. 52. m. 5± 51 5i 57_

Q18 519 Q20 Q21 5i2 523 Q24

31)

f/vora*

«idome

5§_ 09 510 511 512 511 314

Q25 526 527 528 529 530

32)a)mouldb)She could dry the boots.

33)a)The reproduce by spores.b)X: It makes its own food.

34)A: Gives birth to young aliveB: reproduce by laying eggs.C: reproduce by spores.D: reproduce by seeds.

35)a)R.b)R grows taller.c)week 2.

Y: It obtains food from its surroundings.

Pagelto2

Q15 Q16 517_

pagel

iB5

36)a)Plant A will grow into a balsam plantb)When the leaves in plant B are removed the plant cannot make its down food

and will die.

37)a)Bacteria.b)AII the fall leaves had died.

38)a)The worms can be found under the leaves.b)Living things respond to changes.

39)Heading: It hassix legs. Heading: Does not have six legs.A,B,C,D E,F

40)a)Mushroom.b)Mushroom cannot produce food,cjlqtus would bedassified in group A.

41)a)They are insets.b)A has a pair of wings but B does not.

42)a)They feed their young with milk.b)It makes its own food.

43)a)A and B is not a warm blooded.b)E has hair but C does not.c)frogd)Emu

44)a)Bearb)The animals are grouped according to the number of legs.c)Has four legs.

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