Grade 2 illustrated science dictionary

KURIKULUM SAINS SEKOLAH RENDAH

This dictionary is written for primary Grade 2
school students based on the SCIENCE DLP DSKP. It
is suitable for primary school students in Year 2
studying Science in English. It contains an
alphabetical list of common words and phrases
applicable to the new Malaysian Curriculum Science
course for Year 2. Colored, labelled diagram and
illustrations, as well as numerous examples, have
been included to aid understanding and learning.

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Section
What is Science?
Unit 3 : Human
Unit 4 : Animals
Unit 5 : Plants
Unit 6 : Light and Dark
Unit 7 : Electricity
Unit 8 : Mixture
Unit 9 : Earth
Unit 10 : Technology

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Human being is the same with other mammals
which reproduces through giving birth.

Reproduction is a way of living things increasing
their numbers.

Offspring inherit

features such as iris

colour, skin colour and

hair type from their

parents or ancestors.

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Inherited features are :-

1. Iris colour
2. Hair colour
3. Hair type
4. Skin colour

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Human will go through changes from the aspect of :

➢ Height
➢ Weight
➢ Body Size

INFANT CHILD TEENAGER OLD

WEIGHT = 6 KG WEIGHT = 40 KG WEIGHT = 70 KG WEIGHT = 55 KG
HEIGHT = 50 CM HEIGHT = 80 CM HEIGHT = 161 CM HEIGHT = 157 CM

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Characteristic / Pupil Siti Laila
Age 8 years 8 years
Fat and short Slim and Tall
Body size 50 KG 30 KG
Weight 114 CM 122 CM
Height

However, the growth of every
human is different even they

are in the same age.

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Lay eggs

Many eggs

TURTLE FISH BUTTERFLY

Few eggs

EAGLE OSTRICH

Give Birth

Many youngs

RABBIT RAT

Few youngs HORSE

COW RAJATHI ,SKGJI 12

Eggs does not look RAJATHI ,SKGJI 13
like its parent.

Youngs look like its RAJATHI ,SKGJI 14
parent.

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HABITAT AIR

MEDICINE

FOOD

❖ Provide shelter or habitat for RAJATHI ,SKGJI 16
animals.

❖ Produce air or oxygen for living
things to alive.

❖ Food sources for animals and
human.

AIR WATER

SUITABLE TEMPERATURE

Water, air and suitable temperature are the
basic needs for seeds to germinate and grow

healthily.

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When it grow:
 Number of leaves increase

 Size of leaves increase
 Height of plant increase
 Stem circumference increase

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1 2 3
SEEDS SEEDS GERMINATION YOUNG PLANT

5 4 RAJATHI ,SKGJI 19
PRODUCE FRUIT PRODUCE FLOWER

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❖Shadows occur when an object blocks light
from a light source.

❖Light is travel in a straight line, so if it is
blocked there must be a shadow formed.

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No Shadow Shadow less Clear Shadow RAJATHI ,SKGJI 23
clear

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Component Function
Dry cell To supply electrical
energy
Wire To connect the circuit
with electrical
Bulb components
Switch To produce light
To complete and break
an electrical circuit

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➢ In open circuit the bulb does not lights up.
Because the switch is off and no current is

flowing.
➢ In closed circuit the bulb lights up.
Because the switch is on and current is

flowing.

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In a complete circuit, the bulb does not light
up if:

❖The bulb is damaged.
❖The switch is opened.
❖The dry cell is out of energy.
❖The wire is not connected correctly to the

electrical components.
❖The bulb is not fastened properly onto

the bulb holder.

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Magnetic Attraction – Separating
materials that can be attracted by a
magnet.

Hand-Picking – Separating two big-
sized materials.

Sieving – Separating fine-sized
materials from large-sized materials.

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Floatation – Separating materials
that can float from materials that
sink .

Filtration – Separating solid
materials from liquid materials .

Filtering – Separating materials by
flowing them on tools that has tiny
holes.

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Stirring makes materials dissolve
quickly

Use hot water

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LAKES SEAS

RAIN

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SPRINGS

RIVERS

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Higher area

Lower area

Water flow from higher area to lower area.

Clouds 1. Water
Rain Water vapour 2. Sea and river water evaporate

Water to become water vapour.
3. Water vapour cools and

becomes water droplets to form
clouds. Clouds become heavy
and falls as rain.

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Living things need air to live.
Air consists of mixture of various gases such as oxygen and carbon dioxide.
Air cannot be seen but it can be felt.
Moving air is known as wind.

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Yacht moves because of the
present wind

Wind help the kite to fly higher Wind move the windmill
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Strong winds can give disadvantages to us. For example:
 Big wave
 Life threatening
 Damage of belongings

Strong winds create a big
wave and causing a
problem for fisherman to
catch fish in the sea.

Strong winds or storm
become natural disaster
that can cause death.

Storm causes the houses
and belonging to damage in
a blink of eye.

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Building set is a component set that can be used to build a
few models and picture manual.

Components are the elements used to build a model.

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Components are attached to form a building according to the manual.
Assemble the components according manual step by step.

Assemble is fit together the components to build a model.
Dissemble is open the components follow from final step to first step.

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