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02_Conquer Science P3-4_2017_TP.indd 1 7/11/2017 1:37:18 PM

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ALL RIGHTS RESERVEDAll rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior permission of the publishers.

ISBN-13 978-981-4640-70-1 ISBN-10 981-4640-70-0

Printed in Singapore

Conquer SCIENCE For Primary Levels 3/4

New Edition 2018

© Singapore Asia Publishers Pte Ltd teachers@work is an imprint of Singapore Asia Publishers Pte Ltd

Published and Distributed by: Singapore Asia Publishers Pte Ltd219 Henderson Road #10-04 Henderson Industrial Park Singapore 159556 Tel : +65 6276 8280 Fax : +65 6276 8292 Email: [email protected]: www.sapgrp.comFacebook: Singapore-Asia-Publishers

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Antigua & BarbudaAustraliaBahrainBangladeshBarbadosBhutanBostwanaBrazilBruneiCambodiaCanadaChileChinaColombiaEgyptFiji Island

GhanaGrenadaGuyanaHong KongIndiaIndonesiaJamaicaJapanLaos LebanonMacauMalaysiaMalawiMaldivesMauritiusMyanmar

NamibiaNepalNew ZealandNigeriaPakistanPapua New GuineaPhilippinesPolandPortugalQatarRwandaSaudi ArabiaSeychellesSingaporeSolomon IslandsSri Lanka

Saint LuciaSaint Vincent & the Grenadines South Africa South Korea SyriaTaiwanTanzaniaThailandTrinidad & TobagoUnited Arab EmiratesUnited Kingdom United States of AmericaVietnamZambiaZimbabwe

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Printed under licence in Australia by Five Senses Education Pty Ltd

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Contents

Marks

DIVERSITY

Classification of Things Exercise 1 ...................................... 1 Exercise 2 ...................................... 5

/ 10 / 10

Living and Non-Living Things Exercise 3 ..................................... 7 Exercise 4 ...................................... 9 Exercise 5 .................................... 13 Exercise 6 .................................... 15 Exercise 7 .................................... 17

/ 10 / 10 / 10 / 10 / 10

Plants Exercise 8 .................................... 19 Exercise 9 .................................... 21 Exercise 10 .................................. 23

/ 10 / 10 / 10

Animals Exercise 11 .................................. 25 Exercise 12 .................................. 27 Exercise 13 .................................. 29

/ 10 / 10 / 10

Classification of Animals Exercise 14 .................................. 31 Exercise 15 .................................. 33 Exercise 16 .................................. 37 Exercise 17 .................................. 39 Exercise 18 .................................. 41 Exercise 19 .................................. 43

/ 10 / 10 / 10 / 10 / 10 / 10

Fungi and Bacteria Exercise 20 ................................. 45 Exercise 21 .................................. 47 Exercise 22 .................................. 51 Exercise 23 .................................. 53

/ 10 / 10 / 10 / 10

Marks

Exploring Materials Exercise 24 .................................. 55 Exercise 25 .................................. 57 Exercise 26 .................................. 59 Exercise 27 .................................. 63 Exercise 28 .................................. 67 Exercise 29 .................................. 69 Exercise 30 .................................. 71

/ 10 / 10 / 10 / 10 / 10 / 10 / 10

SYSTEMS

A System Exercise 31 .................................. 73 Exercise 32 .................................. 77

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The Human Body Exercise 33 .................................. 79 Exercise 34 .................................. 81 Exercise 35 .................................. 83

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The Human Digestive System Exercise 36 .................................. 85 Exercise 37 .................................. 87 Exercise 38 .................................. 89 Exercise 39 .................................. 91

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Plant Parts Exercise 40 .................................. 93 Exercise 41 ................................. 97 Exercise 42 ................................ 101 Exercise 43 ................................ 103 Exercise 44 ................................ 105

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CYCLES

Life Cycles Exercise 45 ................................ 107 / 10

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Life Cycles of Some Animals Exercise 46 ................................ 109 Exercise 47 ............................... 111 Exercise 48 ................................ 113 Exercise 49 ................................ 117 Exercise 50 ................................ 119 Exercise 51 ................................ 121

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Life Cycles of Plants Exercise 52 ................................ 123 Exercise 53 ................................ 125 Exercise 54 ................................ 129 Exercise 55 ................................ 131

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Matter Exercise 56 ................................ 133 Exercise 57 ................................ 135 Exercise 58 ................................ 139 Exercise 59 ................................ 141

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The Three States of Matter Exercise 60 ................................ 143 Exercise 61 ................................ 145 Exercise 62 ................................ 149 Exercise 63 ................................ 151 Exercise 64 ................................ 153 Exercise 65 ................................ 155 Exercise 66 ................................ 157

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ENERGY

Light and Shadows Exercise 67 ................................ 159 Exercise 68 ................................ 163 Exercise 69 ............................... 167 Exercise 70 ................................ 169 Exercise 71 ................................ 171 Exercise 72 ................................ 173 Exercise 73 ................................ 175 Exercise 74 ................................ 177

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Heat and Temperature Exercise 75 ................................ 179 Exercise 76 ................................ 181 Exercise 77 ................................ 183 Exercise 78 ................................ 187 Exercise 79 ................................ 189 Exercise 80 ................................ 191 Exercise 81 ................................ 193

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Effects of Heat Exercise 82 ................................ 195 Exercise 83 ................................ 197 Exercise 84 ................................ 201 Exercise 85 ................................ 203 Exercise 86 ................................ 205 Exercise 87 ................................ 207

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INTERACTIONS

Characteristics of Magnets Exercise 88 ................................ 209 Exercise 89 ................................ 211 Exercise 90 ................................ 215 Exercise 91 ................................ 219 Exercise 92 ............................... 223 Exercise 93 ................................ 225

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Making Magnets Exercise 94 ................................ 227 Exercise 95 ................................ 229 Exercise 96 ................................ 231 Exercise 97 ................................ 235

/ 10 / 10 / 10 / 10

Magnets Everywhere Exercise 98 ................................ 237 Exercise 99 ................................ 241 Exercise 100 .............................. 243

/ 10 / 10 / 10

ANSWERS .......................... A1~A13

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NAME: DATE:

CLASS: MARKS 10

Topic: Exercise

THEME

Conquer SCIENCE For Primary Levels 3/4© Singapore Asia Publishers Pte Ltd

1

Exercise 1

Topic: Classification Of Things

For each question from 1 to 10, four options are given. One of them is the correct answer. Make your choice (1, 2, 3 or 4) and write the correct option in the brackets provided.

1. Classifyingthingshelpsusto . A. showtheirsimilaritiesanddifferencesclearly B. organizebettersothatwecanseeorfindthingseasily C. studythingsinasystematicway (1) Aonly (3) AandB (2) Bonly (4) A,BandC ()

2. Studythepicturesbelow.

Jamieclassifiestheobjectsintotwogroups:SwimmingandCycling.Whichobjectsdoessheputunderthegroup,Swimming?

(1) A,B,EandF (3) B,EandF (2) A,C,EandD (4) C,DandG ()

D.

A. B. C.

E. F. G.

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2Conquer SCIENCE For Primary Levels 3/4© Singapore Asia Publishers Pte Ltd

3. Thewayyouclassifythingsdependsonyour . (1) movement (3) purpose (2) classification (4) graphs ()

4. Theclassificationdiagrambelowshowshowtwodifferentsetsofthingsaregrouped.

Things

Group Aforkknifecup

Group Bpencileraser

correctiontape

WhichoneofthefollowingcanbeplacedinGroupA? (1) cupboard (3) cookingoil (2) ruler (4) saucer ()

5. BelowiswhatStanleydrewinhissciencenotebook.

Animal Example

mammalfish

insect

lion,tiger,whalegoldfish,molly,tigerbarb

ant,grasshopper,bee

Stanleyhasdrawna toclassifytheanimalsintothreegroups. (1) classificationdiagram (3) classificationlabel (2) classificationgraph (4) classificationtable ()

Exercise 1


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6. Studytheclassificationtablebelow.

Object Classification of objectA knife cutleryB bed furnitureC snail plantD seahorse fish

Which one of the following rows shows an object that has been classifiedwrongly?

(1) A (3) C (2) B (4) D ()

7. Studythediagrambelow.

Theobjectshavebeenclassifiedaccordingtotheir . A. colours B. shapes C. numberofsides D. sizes (1) Aonly (3) AandC (2) AandB (4) A,CandD ()

8. Whatdoesclassificationhelpustodo? A. Organizeinformation B. Spotsimilarities C. Spotdifferences D. Colourtheobjects (1) AandB (3) A,BandC (2) CandD (4) A,B,CandD ()

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9. HowmanygroupscanJoshuaclassifythefollowingthingsinto?

rake red circle keyboard wateringcan yellow green hoe monitor blue purple mouse rectangle spade CPU

(1) 5 (3) 3 (2) 2 (4) 4 ()

10. Mikehasclassifiedthefollowinganimalsintotwogroups,AandB.

Living things

Aant

butterflygrasshopper

Beagleemu

ostrich

WhataresuitableheadingsforAandB?

A B(1) Insects Birds(2) Insects Mammals(3) Fish Birds(4) Birds Insects ()

Exercise 1


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�

NAME: DATE:

CLASS: MARKS 10

Topic: Exercise

THEME

Conquer SCIENCE For Primary Levels 3/4© Singapore Asia Publishers Pte Ltd

For questions 1 — 3, write down your answers in the spaces provided.

1. Thenamesoftenanimalsaregivenbelow.

eagle eel shark bluewhale tuna housefly lion ostrich mosquito cheetah

(a) Usetheclassificationtablebelowtoclassifytheanimalsaccordingtothewaytheymove. [3m]

Movement Animals

walk/run

fly

swim

(b) Withreferenceto(a),howwouldyouclassifytheanimalsaccordingtotheirrespectivegroups(e.g.mammals,reptilesetc)? [2m]

2Topic: Classification Of Things

Exercise 2


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D I V E R S I T Y

Exercise 1

1. (4) 2. (1) 3. (3) 4. (4) 5. (4)6. (3) 7. (3) 8. (3) 9. (4) 10.(1)

Exercise 2

1. (a) Movement Animals

walk/runfly

swim

ostrich,lion,cheetaheagle, housefly, mosquito eel,shark,bluewhale,tuna

(b) I would classify lion, cheetah and blue whaleundermammals.

I would classify ostrich and eagle under birds. I would classify shark, eel and tuna under

fish. I would classify housefly and mosquito

underinsects.2. (a) The penguin is placed under the wrong

group. (b) Penguins are birds and have feathers

coveringtheirbodies.3. (a) GroupX:Madeofcloth GroupY:Madeofglass (b) IwouldputitinGroupY.

Exercise 3

1. (2) 2. (2) 3. (2) 4. (3) 5. (4)6. (4) 7. (3) 8. (1) 9. (2) 10.(3)

Exercise 4

1. (4) 2. (3) 3. (1) 4. (3) 5. (2)6. (3) 7. (2) 8. (3) 9. (1) 10.(2)

Exercise 5

1. (a) Themarbleisnotalivingthing.Althoughthe marble is moving, it only does so because it has been flicked by the finger.

(b) Living things respond to changes aroundthem.

2. (a) Theplantwouldstarttowiltafteracoupleof days and die eventually.

(b) The layer of oil prevented oxygen in the surrounding air to dissolve in the water.As the plant did not have enough oxygen torespire,itdied.

3. (a) The height of X increases every year for four years whereas the height of Y remains the same throughout the four years.

(b) X: a baby Y:adoll (Accept any other reasonable answers.)

Exercise 6

1. (a) Living things Non-living things

treesnail

hamster

pencilstonemug

bicyclefire

(b) Alivingthingneedsair,waterandfoodtolive. A living thing grows and moves by itself. It reproduces. It also dies. Lastly, it respondstochangesaroundit.

2. (a) The potted plant would start to growtowards the hole where the sunlight isstreamingin.

(b) Theplantisalivingthingandlivingthingsrespondtochangesaroundthem.

Exercise 7

1. (a) (i) The mealworm died after three days. (ii) There was not enough air and the

wrong type of food had been placed in thetank.

(b) Thetankshouldbeleftopenandbreadorleafy vegetables should be left inside as food.(Accept any other reasonable answers to the type of food eaten by a mealworm.)

2. (a) The seed would have grown into a young plant.

(b) After 15 days, the young plant would have grownintoanadultplant.

(c) Theseedisalivingthingandlivingthingsgrow.

3. (a) She had classified ‘helicopter’ incorrectly. (b) A helicopter does not have the

characteristics of a living thing. It doesnot grow, reproduce or move by itself. It alsodoesnotneedair,waterand food tosurvive. It does not respond to changesarounditandcannotdietoo.

Exercise 8

1. (3) 2. (1) 3. (2) 4. (1) 5. (4)6. (2) 7. (1) 8. (3) 9. (4) 10.(3)

Exercise 9

1. (a) Plant A is the water lily and Plant B is the sunflower.

(b) They are both flowering plants. (c) The water lily grows in the water but the

sunflower grows on land.2. (a) Itisatrunk. (b) PlantAhasastrongstemanditcanstand

upright on its own unlike Plant B which needsasupporttohelpitgrowupwards.

A�Conquer SCIENCE For Primary Levels 3/4© Singapore Asia Publishers Pte Ltd

07 Answers_ConScience 3,4.indd 1 11/3/2017 3:56:39 PM

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