PREFACE - sapgrp.com.sg Worksheets, 500 Multiple-Choice Questions These questions encourage students to think about what they have learned in class,

Conquer Science MCQs – Primary Level Lower Block 3/4 serves to ground Primary 3 and 4 students in fundamental science concepts through a series of commonly-tested questions. 50 Worksheets, 500 Multiple-Choice QuestionsThese questions encourage students to think about what they have learned in class, analyze scientific concepts taught to them and apply this knowledge creatively to solve higher-order thinking questions.

Arranged by Topic for Focussed LearningEvery worksheet tests on a specific topic, enabling focussed learning and reinforcement of important concepts and application.

Learning and Revision Made EasyAn interesting feature is the placement of the answers next to the questions. The gatefolds on the covers can be used to conceal the answer columns. Students can focus first on working through the questions on their own before checking the answers. The guided answers with explanations provide an immediate recap, learning and feedback on the science concepts tested.

You can try these structured questions that test on process thinking skills to develop science process skills essential for the practice of science.

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PREFACE

Conquer Science MCQ 34.indb 1 6/28/2016 2:38:33 PM

DIVERSITY

• Describethemaincharacteristicsoflivingthings - theneedtohavewater,foodandairtosurvive - theabilitytogrow,respondandreproduce• Observeandidentifythedifferencesbetweenlivingandnon-livingthings

Classifying ThingsWorksheet 1 ................................................................................................................. 1 [ / 20]

Living and Non-living ThingsWorksheet 2 ................................................................................................................. 5 [ / 20]Worksheet 3 ................................................................................................................. 9 [ / 20]Worksheet 4 ................................................................................................................. 13 [ / 20]

• Recognizeatleastfourbroadgroupsoflivingthings - plants - fungi - animals - bacteria• Classifylivingthingsintobroadgroupsbasedontheirsimilaritiesanddifferencesofcommonobservablecharacteristics

PlantsWorksheet 5 ................................................................................................................. 17 [ / 20]

AnimalsWorksheet 6 ................................................................................................................. 21 [ / 20]Worksheet 7 ................................................................................................................. 25 [ / 20]

Classifying AnimalsWorksheet 8 ................................................................................................................. 29 [ / 20]Worksheet 9 ................................................................................................................. 33 [ / 20]Worksheet 10 ................................................................................................................. 37 [ / 20]Worksheet 11 ................................................................................................................. 41 [ / 20]

Fungi and BacteriaWorksheet 12 ................................................................................................................. 45 [ / 20]

• Listthedifferenttypesofmaterials:plastic,rubber,wood,metal,ceramics,glass,fabric• Relatethepropertiesofeachmaterialtoitsuses• Comparematerialsbasedontheirphysicalproperties - strength - transparency - waterproof - flexibility - abilitytofloatorsinkinwater

Exploring MaterialsWorksheet 13 ................................................................................................................. 49 [ / 20]Worksheet 14 ................................................................................................................. 53 [ / 20]Worksheet 15 ................................................................................................................. 57 [ / 20]Worksheet 16 ................................................................................................................. 61 [ / 20]

TAblE oF CoNTENTS


SYSTEMS

• Identifytheorgansystemsinahuman - digestive - circulatory - muscular - respiratory - skeletal

Your Amazing BodyWorksheet 17 ................................................................................................................. 67 [ / 20]Worksheet 18 ................................................................................................................. 71 [ / 20]

• Identifyanddescribethefunctionsoftheorgansinthedigestivesystem

The Digestive SystemWorksheet 19 ................................................................................................................. 75 [ / 20]Worksheet 20 ................................................................................................................. 79 [ / 20]Worksheet 21 ................................................................................................................. 81 [ / 20]

• Identifythedifferentpartsofaplantandstateitsfunctions - leaf - stem - root

Plants and Their PartsWorksheet 22 ................................................................................................................. 85 [ / 20]Worksheet 23 ................................................................................................................. 89 [ / 20]Worksheet 24 ................................................................................................................. 93 [ / 20]

CYCLES

• Understandthatdifferentorganisms(plantsandanimals)gothroughdifferentlifecycles• Studyandcomparethelifecyclesofanimalsoveraperiodoftime

Life Cycles of Some AnimalsWorksheet 25 ................................................................................................................. 97 [ / 20]Worksheet 26 ................................................................................................................. 101 [ / 20]Worksheet 27 ................................................................................................................. 105 [ / 20]

• Studyandcomparethelifecyclesofplantsoveraperiodoftime

Life Cycles of PlantsWorksheet 28 ................................................................................................................. 109 [ / 20]Worksheet 29 ................................................................................................................. 113 [ / 20]

• Statethatmatterisanythingthathasmassandoccupiesspace

What is Matter?Worksheet 30 ................................................................................................................. 117 [ / 20]Worksheet 31 ................................................................................................................. 121 [ / 20]

• Identifythedifferencesbetweenthethreestatesofmatter(solid,liquidandgas)intermsofshapeandvolume

The Three States of MatterWorksheet 32 ................................................................................................................. 125 [ / 20]Worksheet 33 ................................................................................................................. 129 [ / 20]Worksheet 34 ................................................................................................................. 135 [ / 20]


ENERgY

• Understandthatanobjectcanbeseenwhenitisasourceoflightorwhenitreflectslight• Understandthatashadowisformedwhenlightiscompletelyorpartiallyblockedbyanobject

Light and ShadowsWorksheet 35 ................................................................................................................. 139 [ / 20]Worksheet 36 ................................................................................................................. 143 [ / 20]Worksheet 37 ................................................................................................................. 149 [ / 20]

• Listthesourcesofheat• Statethatthetemperatureofanobjectisameasurementofhowhotitis• Statethedifferencesbetweenheatandtemperature - heatisasourceofenergy - temperatureisameasurementofthedegreeofhotnessofanobject• Understandthatheatflowsfromahotterobjecttoacolderobjectuntilbothobjectsreachthesametemperature• Understandthatthechangeintemperatureofanobjectiseitheraheatgainorheatlossbytheobject

Heat and TemperatureWorksheet 38 ................................................................................................................. 155 [ / 20]Worksheet 39 ................................................................................................................. 159 [ / 20]Worksheet 40 ................................................................................................................. 165 [ / 20]

• Listtheeffectsofheatgainorheatlossinourdailylife• Identifygoodandbadconductorsofheat

Effects of HeatWorksheet 41 ................................................................................................................. 171 [ / 20]Worksheet 42 ................................................................................................................. 175 [ / 20]Worksheet 43 ................................................................................................................. 179 [ / 20]Worksheet 44 ................................................................................................................. 183 [ / 20]

INTERACTIoNS

• Understandthatamagnetcanexertapushorapull• Comparemagnetsandnon-magnets• Listoutthecharacteristicsofamagnet - madeofeithersteeloriron - hastwopoles:NorthandSouth - comestorestinaN-Sdirectionwhenabarmagnetisfreelysuspended - unlikepolesattract - likepolesrepel - magnetsattractmagneticmaterials

Magnets and Their CharacteristicsWorksheet 45 ................................................................................................................. 189 [ / 20]Worksheet 46 ................................................................................................................. 193 [ / 20]Worksheet 47 ................................................................................................................. 197 [ / 20]

• Makemagnetsusingthestrokemethodortheelectricalmethod

Making MagnetsWorksheet 48 ................................................................................................................. 201 [ / 20]Worksheet 49 ................................................................................................................. 205 [ / 20]

• Listsomeusesofmagnetsineverydayobjects

Magnets, Magnets, EverywhereWorksheet 50 ................................................................................................................. 209 [ / 20]


�Conquer Science MCQs – Primary Level Lower Block 3/4© Singapore Asia Publishers Pte Ltd

gUIDED ANSWERS

1. Study the objects in each group.

The above objects are grouped according to their .

(1) shape (3) pattern (2) colour (4) size ( )

2. Study the classification table below.

Animalsgroup A group B

sperm whale clownfish

elephant peacock

crocodile panther chameleon

The above animals are grouped according to .

(1) where they live (2) how they move (3) the colour of their body covering (4) their size ( )

Worksheet1

1. (4)The smaller objects are placed in the first group whereas the bigger objects are placed in the second group. Although all the objects in the first group have stripes, all the objects in the second group do not have the same pattern. Hence, the objects are not grouped according to their patterns.

2. (3) The guppy, peacock and panther chameleon are brightly-coloured animals which have more than one colour on their body coverings. The sperm whale, elephant and crocodile are dull-coloured animals which only have one colour on their body coverings.

For each of the following questions, choose the correct option and write its number (1, 2, 3 or 4) in the brackets.

Topic: Classifying Things

Worksheet 1 DIVERSITY

NAME: DATE:

CLASS: MARKS 20


Conquer Science MCQs – Primary Level Lower Block 3/4© Singapore Asia Publishers Pte Ltd

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gUIDED ANSWERS 3. Study the classification table below.

Fruitgroup A group B

watermelonjackfruit

kiwi fruit lychee

Which fruit has been grouped wrongly?

(1) watermelon (3) kiwi fruit (2) jackfruit (4) lychee ( )

4. The statements below describe a fruit.

It is round. It tastes sour. It has a green skin.

What fruit is being described?

(1) lime (3) kiwi fruit (2) orange (4) watermelon ( )

5. The table below shows some information about four different animals, A, B, C and D.

A B C DLays eggs O P O P

Lives on land P O P O

Covered with hair O P P O

Eats meat P O O P

Based on the table, which animal represents the sheep?

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

6. The classification table below shows how some items which are found in the school are grouped.

Itemsgroup A group B group C group D

cones test tubes bowls tablesbean bags thermometers chopsticks dustersbasketballs beakers spoons cupboards

In which group will you place the tripod stand?

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

Worksheet1

3. (3)The kiwi fruit has been grouped wrongly as it has many seeds. It should be placed in Group A instead.

4. (1)The lime fruit is round, tastes sour and has a green skin. Although the orange is round and may sometimes tastes sour, it does not have green skin. The kiwi fruit has green flesh with tiny black seeds but its skin is usually brown. It is also not round. The watermelon is round and has green skin but it is sweet.

5. (3)C does not lay eggs. It lives on land and is covered with hair. It does not eat meat. This fits the description of the sheep.

6. (2)The items in Group A are found in the exercise room. The items in Group B are found in the science laboratory. The items in Group C are found in the canteen. The items in Group D are found in the classroom. Since the tripod stand is a science apparatus, it should be placed in Group B.



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gUIDED ANSWERS

Worksheet1

7. Study the classification diagram below carefully.

Things

B C

Never Alive Once Alive

Non-living ThingsLiving Things

A

Which of the following best represent A, B and C respectively?

A B C(1) bear marble leather shoes

(2) butterfly wooden chair metal fork

(3) mushroom porcelain cup drinking straw

(4) salmon cotton pants balloon ( )

8. Kelly and Martha were each given a bag of biscuits. The girls grouped them differently from each other as shown in the classification tables below.

Kelly grouped her biscuits according to .

(1) their shapes (2) their patterns (3) their colours (4) whether they have curved lines ( )

7. (1)The bear, which is an animal, is a living thing. The marble is never alive as it is either made of glass, clay, steel or agate. The leather shoes are made from the skin of an animal which was once alive.

8. (2) Kelly grouped the biscuits according to their patterns while Martha grouped the biscuits according to their shapes.



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gUIDED ANSWERS 9. Jon had classified some birds into two different categories.

Birdsgroup A group Bpeacock ostrichtoucan kiwi

woodcock emu

What are the correct categories represented by both groups A and B?

group A group B(1) Attractive Dull-coloured(2) Omnivorous Herbivorous(3) Can fly Cannot fly(4) Lay eggs Give birth

( )

10. Which one of the following does not belong to the group?

(1) winter (3) storm (2) autumn (4) summer ( )

Worksheet1

9. (3) The birds listed in Group A can fly whereas the birds listed in Group B cannot fly. The birds in Group B are dull-coloured, but not all the birds in Group A are attractive. The birds in Group B are not herbivores. The ostrich may even eat insects occasionally. All birds lay eggs.

10. (3)‘Winter’, ‘autumn’ and ‘summer’ are three of the four seasons. ‘Storm’ is a severe weather condition.


Documents

PREFACE - sapgrp.com.sg Worksheets, 500 Multiple-Choice Questions These questions encourage students to think about what they have learned in class,