SK Year 2 Science DLP

Situation 4


This investigation needs Pound the hibiscus petals
a coloured liquid from and dissolve them in water.

hibiscus petals. Then, filter them.
















How do we produce
this liquid?



After that, filter the mixture using

a filter paper into a conical flask.






fold
filter

filter paper funnel



Pieces of hibiscus
petals will remain
on the filter paper.

Coloured liquid will
be collected in the

conical flask.






conical flask


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UNIT 8_BT.indd 93 12/5/2017 12:09:05 PM

Why do you separate this mixture
using the filtration method?


Using the filtration method, solid

materials can be separated from
liquid materials.



A mixture can be separated using the hand-picking

method, the sieving method, magnetic attraction,

floatation method, and the filtration method.




Soluble and Insoluble Materials


Nisa adds two materials into a glass of water and stirs.





Before stirring After stirring



corn sugar

kernels









Eh! Where is the sugar? The sugar is still there, but it
Why are the corn kernels has dissolved in the water.
still visible?
The corn kernels are still

visible because they don’t
dissolve in the water.



Activity Book
Page:
8.1.3
94
94
94 58


UNIT 8_BT.indd 94 12/5/2017 12:09:10 PM

Some materials can dissolve in water such as sugar.

Some materials cannot dissolve in water such as
corn kernels.




How can we know
which materials Let’s investigate!

dissolve in water?













I Investigate
I Investigate Stirring a Mixture

Apparatus and Materials
Apparatus and Materials
• water • 3 labelled beakers • glass rod






1 teaspoon of salt 1 teaspoon of green beans 1 teaspoon of rice

Group Activity
Group Activity
Steps


1. Pour 200 ml 2. Add salt into
of water into beaker A,
each beaker. green beans
into beaker B,
and rice into
beaker C.
3. Stir the water
in each beaker
and observe
the changes.
Activity Book
Page:
8.1.3
61
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UNIT 8_BT.indd 95 12/5/2017 12:09:22 PM

4. Record your observation in the table as shown below.

Dissolve/
Beaker Materials Visible/Not visible
Do not dissolve
A Salt
B Green beans
C Rice

Question
Question
_______ dissolves in water. _______ and _______do not dissolve in water.


Materials That Dissolve More Quickly



Situation 1
Which water can dissolve

sugar more quickly?






I Investigate 1 Investigating the Solubility of
I Investigate
Sugar in Hot and Cold Water


Apparatus and Materials
Apparatus and Materials
• cold water • 2 beakers • spoon
• hot water Caution • sugar • glass rods
Caution
Group Activity
Group Activity
Steps











1. Pour 200 ml of cold water into 2. Add one teaspoon of sugar into
beaker A and 200 ml of hot each beaker.
water into beaker B.
Activity Book
Page:
8.1.4
96 59
96
96


UNIT 8_BT.indd 96 12/5/2017 12:09:26 PM

3. Stir the water in both
beakers at the same time.













4. Observe the sugar in beaker A and beaker B. Which dissolves first?
5. Record your observation.

Question
Question
Materials can dissolve more quickly in _______ water than _______water.




Situation 2

Why is the tea still not

sweet even after sugar
has been added?




I Investigate 2 Investigating the Solubility
I Investigate
of Sugar through Stirring


Apparatus and Materials
Apparatus and Materials
• water • 2 beakers • coarse sugar • glass rod • spoon

Group Activity
Group Activity
Steps
1. Pour 200 ml of water into
each beaker.









Activity Book
Page:
8.1.4
61
97
97
97

UNIT 8_BT.indd 97 12/5/2017 12:09:30 PM

2. Put one teaspoon of sugar 3. Stir the water in beaker B only.
into each beaker.
4. Record your observation.

Question
Question

Materials can dissolve more quickly in water if _______ (stirred/not stirred).



Situation 3

Why is this coffee still not sweet

even though I’ve stirred it?












I Investigate 3 Investigating the Solubility of
I Investigate
Coarse Sugar and Sugar Cubes

Apparatus and Materials
Apparatus and Materials

• water
• 2 beakers
• spoons
• glass rods
coarse sugar sugar cubes

Activity Book
8.1.4 Page:
8.1.5
98
98
98 60


UNIT 8_BT.indd 98 12/5/2017 12:09:37 PM

Group Activity
Group Activity
Steps

















1. Pour 200 ml of water into 3. Stir the water in both beakers
each beaker. at the same time.

4. Record your observation.


Question
Question

_____ (Big/Small) sized
materials dissolve more
quickly than _____ (big/small)
sized materials.
2. Add one teaspoon of coarse
sugar and one cube of sugar
into each beaker.





What can you conclude from the
three investigations?



Materials can dissolve more quickly
in hot water, when they are stirred,
and when they are small in size.







Activity Book
Page:

62
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UNIT 8_BT.indd 99 12/5/2017 12:09:45 PM

Science Recreation
Science Recreation

Decorative Paper
Tear up a piece of recycled paper.
Blend it finely with some water in a blender.

Add a few drops of food colouring. Filter the mixture. Flatten and
press the paper residue on a tray and leave it to dry. Remove the

sheet of paper that has been formed. Create an attractive greeting
card with your decorative paper.



I Remember
I Remember

Methods to separate a mixture
Hand-picking to separate two big-sized materials
Sieving to separate fine-sized materials and large-sized materials
Magnetic attraction to separate materials that can be attracted by a magnet

Floatation to separate materials that can float from materials that sink
Filtration to separate solid materials from liquid materials
Materials can dissolve more quickly when:
• using hot water • being stirred • it is small-sized



I Answer
I Answer
Answer all the questions below in your Science exercise book.
1. Name suitable methods to separate the mixtures below.







paper clips and iron powder and corks and green beans
staples beach sand sand and flour
2. Tick (✓) the materials that can dissolve in water.






sugar sand salt stone

3. State 3 methods to dissolve materials more quickly.


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UNIT 8_BT.indd 100 12/5/2017 12:09:54 PM

Unit
Unit
Unit
9 9 EARTH
EART
H
EARTH






BUMI
Water and Air B UMI

Flowing of water in the river

Never stop (2X)
From where the source originated

Let’s learn (2X)


Fresh air blowing (2X)

Its movement can be felt
Gives effect to the life

Let’s investigate together













The air here

is so fresh.














Water and air are the basic sources of life.
Where does water originate from?




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UNIT 9_BT.indd 101 11/27/2017 12:33:24 PM

Natural Sources of Water




What are the natural sources of

water on our earth?


Rain Lakes

Water droplets A large area of water

that fall to the that is surrounded
earth from clouds. by land.























Seas


A large part of the earth’s surface
that is covered with salt water.













The natural sources of water on our Earth are rain, rivers,

lakes, seas, and springs.


Activity Book
Page:
9.1.1
102
102
102 63


UNIT 9_BT.indd 102 11/27/2017 12:33:31 PM

Springs

A place where underground water
flows out to the earth’s surface.


























Rivers

Rains that fall to the earth form

streams of water called rivers.
























HOTS
HOTS

What would happen if there is no water on Earth?


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UNIT 9_BT.indd 103 11/27/2017 12:33:38 PM

I Investigate
I Investigate Making a Bubble Map on
Natural Sources of Water


Apparatus and Materials
Apparatus and Materials
Caution
• Pictures of natural sources of • scissors Caution
water from various media • coloured paper
Paired Activity • glue
Paired Activity
Steps



















1. Collect pictures of natural 2. Draft out your bubble map.
sources of water.




















3. Paste the pictures accordingly 4. Share your bubble map with
to form a bubble map. your classmates.



Question
Question
State the natural sources of water on earth.




9.1.1
104
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UNIT 9_BT.indd 104 11/27/2017 12:33:49 PM

Water Flows











It is raining
heavily.
Look! A lot of water
is flowing down.




















Do you know in which direction

water flows? Let’s investigate.








I Investigate
I Investigate Investigate Direction of
Water Flow

Apparatus and Materials
Apparatus and Materials








food colouring beaker tray

Activity Book
Page:
9.1.2
65
105
105
105


UNIT 9_BT.indd 105 11/27/2017 12:33:57 PM

Group Activity
Group Activity
Steps



















1. Put six drops of food colouring 2. Pour the coloured liquid into
into 250 ml of water and stir it. a tray.





















3. Put the tray on the table. 4. Raise one side of the tray.

5. Observe the direction of the coloured liquid flow in the tray.
6. Sketch your observation.



Question
Question
How did the liquid in the tray flow when one side of the tray was lifted?






Liquid flows from a high place to a low place.







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UNIT 9_BT.indd 106 11/27/2017 12:34:08 PM

Natural Direction of Water Flow






How about the direction
of natural water flow

such as the river?








waterfall



highland
(hills and mountains)














lowland





sea








Rivers and waterfalls flow from high areas to low areas.

Then, they flow to the sea.



Teacher’s Notes
Activity Book
Pages:
9.1.3 • Search on YouTube videos on the formation of waterfall.
66-67
107
107
107

UNIT 9_BT.indd 107 11/27/2017 12:34:18 PM

Natural Water Cycle




How is a natural water cycle formed?


3 clouds






Water vapour is
cooled and become

We evaporate into water droplets to
water vapour and form the clouds.
rise up.



2 water vapour







sea






We are water.



1 water










Natural water cycle is a continuous cycle that supplies

water to living things and to cool down the earth.


Teacher’s Notes
Activity Book
9.1.4 • Search on YouTube videos on the natural water cycle. Pages:
9.1.5
108 68-69
108
108


UNIT 9_BT.indd 108 11/27/2017 12:34:24 PM

Clouds become heavy

and fall as rain.



















4 rain














river












water




Rain water
flows back into
rivers and seas.








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109
109


UNIT 9_BT.indd 109 11/27/2017 12:34:29 PM

Air





Air is around us. Air is also present in water and soil.
Air consists of gases such as oxygen and carbon dioxide.












Oxygen is needed

for living things to

breathe.








humans breathe



























Termites also breathe

in the soil.

Activity Book
9.2.1 Pages:
9.2.2
110 70-71
110
110


UNIT 9_BT.indd 110 11/27/2017 12:34:34 PM

plants breathe



















Living things breathe

out carbon dioxide.











animals breathe








Fish also breathe
in water.








Living things need air to breathe.



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111


UNIT 9_BT.indd 111 11/27/2017 12:34:39 PM

Moving Air


What is moving air? Moving air is known as wind. Wind

cannot be seen but can be felt.






















Do you know that the wind affects humans

in many ways?




How the Wind Helps Humans



Saiful, the wind
is blowing. This is the best time to fly a kite.
The wind helps kites to fly high.




Mum, how does the
sailing boat move? The wind moves
the sailing boat.













Activity Book
9.2.3 Pages:
9.2.4
112 73-75
112
112


UNIT 9_BT.indd 112 11/27/2017 12:34:51 PM

The wind can fly a kite and move a sailing boat.




State how the wind helps humans

in the following situations.






















Effects of Strong Winds





It is a big wave.
I better get home.






















What are the effects of the wind
in this situation?



Teacher’s Notes


• Strong winds affect the environment and humans in many ways
such as causing storms and big waves.
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UNIT 9_BT.indd 113 11/27/2017 12:35:02 PM

Designing a Wind Rocket



Wow! Nice Let’s create These are the tools and

rocket! materials we need.
a rocket.












Now, let’s

create it.







1. Draw the shape of a 2. Colour it.
rocket and cut it.



6 cm





3. Cut a straw. Use adhesive tape to seal the top of the straw.
Paste it on the paper rocket.
Wow! The HOTS
HOTS
rocket is flying!
Try to create
another type of

model that also

4. Insert a long straw into uses moving air.
the short straw.
5. Test the wind rocket by
blowing into the straw.

Activity Book
9.2.5 Pages:
9.2.6
114 72, 76
114
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UNIT 9_BT.indd 114 11/27/2017 12:35:13 PM

HOTS
Science Recreation HOTS
Science Recreation

Wind Chimes
Use the materials around you such as
decorative butterflies, beads, and ballast
to produce wind chimes. Hang the wind
chimes that you have produced outside
your house.




















I Remember
I Remember

1. Natural sources of water are 4. Air consists of gases such as oxygen
rain, rivers, lakes, seas, and and carbon dioxide.
springs.
5. Moving air is known as wind.
2. The direction of water flow is
from high areas to low areas.
6. The wind helps to:
3. Natural water cycle. • move a sailing boat
• rotate a windmill
clouds
• fly a kite
• dry clothes on the clothes line.


water vapour rain 7. Strong winds can cause big
waves, threaten lives, and
destroy properties.

water





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UNIT 9_BT.indd 115 11/27/2017 12:35:19 PM

I Answer
I Answer

Answer all the questions below in your Science exercise book.
1. What are the natural sources of water as shown in the
pictures below?

A B C












2. What is the direction of the water flow in the diagram below?

Tick (✓) the correct direction
of the water flow.
Q
R
Q R

S S Q

R S



3. Complete the natural water cycle chart below with the correct words.


clouds rain water vapour water




















4. How does wind help humans? Give two examples.

5. Give one effect of a strong wind.



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UNIT 9_BT.indd 116 11/27/2017 12:35:24 PM

Unit
Unit
Unit
0 0 T
TECHNOLOGYECHNOLOGY
TECHNOLOGY







Wow! This model

is so amazing.




Kanang, how do you

I used the Gemilang build this model?
Building Set. Let me

show you how to build it.








































Have you ever played with a building set?

What type of models have you built?


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117
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UNIT 10_BT.indd 117 11/29/2017 11:59:26 PM

My Choice of Building Set


A building set is a set of components that is used

to build several types of models and it includes an
illustrated manual.








helicopter aeroplane


ship
crane





deer

lorry






sailing boat

illustrated manual

human



tortoise
tree

horse bird

You can choose the model you want to build from

the pictures on the building set box.


What is the model you want to build?



Teacher’s Notes
Activity Book
Page:
10.1.1 • A building set allows you to build several models, but
a model kit only allows you to build one model. 77
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UNIT 10_BT.indd 118 11/29/2017 11:59:50 PM

Different building sets allow you
to build different models. From

this building set, you can choose
the model you want to build.
































Should we build
a model of a What do we need We must assemble the

helicopter? model based on the
to do now?
illustrated manual.



























119
119
119


UNIT 10_BT.indd 119 11/29/2017 11:59:59 PM

Identifying Components

in the Illustrated Manual


A manual is a guide to help you to assemble a model

from a building set correctly. You can identify the required

building components. Building set model can be assembled
easily by referring to the illustrated manual.

























































Activity Book
Pages:
10.1.2
120
120
120 78-79


UNIT 10_BT.indd 120 11/30/2017 12:00:02 AM

What are the components
needed to build a model of
a helicopter?






































































121
121
121


UNIT 10_BT.indd 121 11/30/2017 12:00:05 AM

Junior Engineer


After the manual is read and understood, we can now

assemble the model of a helicopter.


I have read and understood the
manual of the model of a helicopter.


I have also identified
the components to

build this model.



Let’s assemble

it now.
Steps

1




Take out the required

components from the
building set box.









2


Assemble the

head, body, tail,

and blade sections
of the helicopter.



Activity Book
Page:
10.1.3
122
122
122 81


UNIT 10_BT.indd 122 11/30/2017 12:00:09 AM

3



Combine the
head, body, and

tail sections of

the helicopter.







4




Combine the

blade section.












5


The model of the

helicopter based

on the illustrated

manual.








HOTS
HOTS
What will happen if a model from a building set is

assembled without referring to the illustrated manual?



123
123
123


UNIT 10_BT.indd 123 11/30/2017 12:00:12 AM

I Am Creative


The components of a building set can be assembled into

various structures. Can you create another model that is not

in the illustrated manual?




What other models can

you create using a
Gemilang Building Set?














Maybe I can

build a model of
a windmill.





Planning, sketching, and preparing tools and materials























Activity Book
10.1.4 Pages:
10.1.6
124 81, 84
124
124


UNIT 10_BT.indd 124 11/30/2017 12:00:20 AM

Structuring a model

1 2















3 4















5 This is my

model of

a windmill.











What is the model built by the pupil above?

Is the model above found in the illustrated manual?


HOTS
HOTS
Using the building set in your
Science Room, build a model that is
not in the illustrated manual. Tell us

about your newly built model.




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125
125


UNIT 10_BT.indd 125 11/30/2017 12:00:29 AM

Disassemble and Store



Pupils, our class Keep all the components
will dismiss in of the building sets.

5 minutes.
Alright, teacher!















Teacher, how do Disassemble the

I disassemble model in sequence.
this model?
Start from the final
step of installation.















First, we must disassemble
the blade section.









We should arrange the

components according to
their shapes and colours.

Activity Book
Pages:
10.1.5
126
126
126 82-83


UNIT 10_BT.indd 126 11/30/2017 12:00:32 AM

This makes it easier

for us to store in Count the number of
the box later. each component. If
there are enough, put

them neatly in the box.








Teacher, we have arranged
the components neatly.
There should

be six green
cube-shaped

components.






Hurry up, Melisa. Amar Be patient, Nisa.

and Yusuf are done.
We should ensure
that all components

are kept inside the
correct compartments.








How do you arrange the used components of a
building set?



HOTS
HOTS
You noticed that one of your group’s building set components

is missing. What would you do? Why?


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127
127


UNIT 10_BT.indd 127 11/30/2017 12:00:36 AM

Science Recreation
Science Recreation

My Flower Pot

Produce a flower pot using ice cream
sticks. Arrange the flowers creatively.
















I Remember
I Remember

1. A building set is a set of
components that is used to build

several types of models and it
includes an illustrated manual.
2. A building set has components of various shapes and colours,

such as:






cube-shaped prism-shaped cylinder-shaped

3. The components of a building set are assembled based on the
illustrated manual.
4. The illustrated manual is a guide to assemble a model correctly.
5. A new model can be built by using components of different models.
6. The components should be disassembled and stored neatly.
7. Make sure all components are counted and are in good condition
before storing inside the building set box.










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UNIT 10_BT.indd 128 11/30/2017 12:00:47 AM

I Answer
I Answer

Answer all the questions below in your Science activity book.
1. The models below can be built from a building set.


a) Name the following models:





















b) Name two other models that can be built.

2. Name the shape of these components.

a) b) c)







3. What is an illustrated manual?

4. Why should you arrange all components neatly after using them?

5. What should you do when you find that all the components are
scattered in the building set box?


HOTS
HOTS
You are given the components below.



10 units 10 units 10 units


Sketch a model that can be built using these components based on
your creativity.


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UNIT 10_BT.indd 129 11/30/2017 12:00:50 AM

Unit 1: SCIENTIFIC SKILLS I Answer (page 72)
1. a) sun, fire, lamps b) light c) objects
Suggested answer for HOTS (page 10) 2. a) easy b) difficult
No. Human growths are different among individuals of the same 3. Position A – torch
age because of the difference in day of birth, food consumption, Position B – paper windmill
lifestyle, environmental factors, and others. 4. tracing paper – less clear
Suggested answer for HOTS (page 14) pencil – clear frosted glass - less clear
The garden snail is a live specimen. Releasing the snail after glass – less clear steel ruler -clear
conducting an experiment is an ethical practise and it is vital to Suggested answer for HOTS (page 72)
maintain a balanced habitat. Human daily activities need to be done in bright conditions. Light is
I Answer (page 16) reflected into our eyes and enable us to see. If there is no light, it
1. a) Stethoscope – hearing would be hard for us to conduct our daily activities.
b) Magnifying glass – sight
2. Similarities: All of them have legs and tails. Unit 7: ELECTRICITY
Differences: The eagle, duck, and chicken have wings, Suggested answer for HOTS (page 78)
but the lizard, monitor lizard, and crocodile have no wings. The brightness of the bulb will decrease because the dry cell will run
3. a) 120 cm b) 25 kg out of energy.
4. Sketching a specimen correctly. Let’s Think (page 78)
Unit 2: SCIENCE ROOM RULES Dry cell, bulb, and switch.
Suggested answer for HOTS (page 80)
Let’s Think (page 21) The other predictions could be due to faulty bulb holder, wire, dry cell
Report any damaged equipment or apparatus to the teacher immediately.
I Answer (page 22) holder, and switch.
I Answer (page 85)
1. To ensure their safety and the safety of other users. 1. a) dry cell.
2. No. Liquid wastes should be disposed of in the sink. b) complete and break an electric circuit.
3. To make it easy for other users.
2. a) Circuit C because the circuit is complete.
Unit 3: HUMANS b) Circuit A and B because the circuits are incomplete.
Suggested answer for HOTS (page 30) 3. a) Electrical conductors Electrical insulators
No. The palm size, height, and weight are not the same as these traits
are inherited from our own parents and ancestors. Furthermore, food fork banknotes
consumption and environmental factors also affect the different traits nail leaf
in individuals. screw thread
I Answer (page 34)
1. a) size, height, and weight 4. a) An electrical conductor is a material or an object that allows
b) same, different electric current to flow through it.
2. features, ancestors b) fork, nail, and screw
Suggested answer for HOTS (page 34) 5. a) An electrical insulator is a material or an object that does
Some people may be able to do certain activities such as sports not allow electrical current to flow through it.
activities better than others. b) banknotes, leaf, thread
Unit 4: ANIMALS Unit 8: MIXTURE
I Answer (page 100)
I Answer (page 48) 1. a) Hand-picking
1.
Lay eggs Give birth b) Magnetic attraction
c) Floatation
lizard crab bat deer d) Sieving
2. Some animals lay a few eggs because the eggs are 2. Sugar and salt
taken care of by the parents. Examples 3. i. Using hot water
are chickens, birds, and penguins. ii. Stirring
3. Some animals lay many eggs because the eggs are not taken care of iii. Using small-sized materials
by the parents. The eggs are easily eaten by other animals. Examples
are fish, frogs, and turtles. Unit 9: EARTH
4. egg: 1, chicken: 4, chick: 3, hatchling: 2 Suggested answer for HOTS (page 103)
5. young squirrel and duckling The earth would dry up. All humans, plants, and animals would die.
6. The life cycle of the butterfly starts with the eggs. When the eggs hatch, I Answer (page 116)
they become larvae. The larvae change to pupae. Finally, 1. A - lake 3. clouds
they turn into butterflies. B - river
Suggested answer for HOTS (page 48) C - spring water vapour rain
Monkeys reproduce by giving birth to a few young. The young are similar 2. Q →R [✓]
to their parents. The parents take care of their young until they reach R → S [✓]
adulthood to ensure the young survive. water
Unit 5: PLANTS 4. i. It helps to dry clothes.
ii. It helps to fly the kites in the sky
I Answer (page 59) 5. A strong wind produces big waves.
1. Food, medicine, habitat, and air to breathe.
2. Water, air, and suitable temperature. Unit 10: TECHNOLOGY
3. A-D-C-B Suggested answer for HOTS (page 123)
4. Increase in the number of leaves, size of leaf, height of plant, and You will take a long time to finish.
circumference of stem. Suggested answer for HOTS (page 127)
5. Water, air, and sunlight. I will inform the teacher immediately because a model cannot be
6. C-B-A-E-D assembled if there is not enough components.
Unit 6: LIGHT AND DARK I Answer (page 129)
1. a) aeroplane, deer, ship, tree, tortoise
Suggested answer for HOTS (page 63) b) helicopter, lorry
Fireflies are not a source of light as they emit light at certain times only. 2. a) cube
Suggested answer for HOTS (page 65) b) prism
Yes. Light is important to humans because most of the daily activities are c) cylinder
done in the presence of light. For example, to see, play sports, complete 3. An illustrated manual is a guide to assemble a model correctly.
works, have fun, and others. 4. So that the building set looks neat and tidy./We will know which
Suggested answer for HOTS (page 69) component is missing.
Two shadows are formed because the light from two sources are blocked 5. I will arrange every component according to its shape, size,
by the tree. and colour.
130
130
130
UNIT 10_BT.indd 130 11/30/2017 12:00:54 AM

Dengan ini, SAYA BERJANJI akan menjaga buku ini
dengan baik dan bertanggungjawab atas kehilangannya,
serta mengembalikannya kepada pihak sekolah pada
tarikh yang ditetapkan.




Skim Pinjaman Buku Teks


Sekolah


Tarikh
Tahun Darjah Nama Penerima
Terima























Nombor Perolehan:

Tarikh Penerimaan:



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