diningcoins floatingflowers deepintothebottom

MINI SHOWS
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DININGCOINS
FLOATINGFLOWERS
DEEPINTOTHEBOTTOM
ADOZENNAILS
CATCHINGTHERINGS
THEDANCINGMOTHBALLS
HOMOPOLARMOTOR
RISINGCOLOUREDHOTWATER
2007
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DINING COINS
Introduction:
This activity is to help pre-school children learn about gravity. It also involves motor
skills (picking up and throwing) and cognitive skills (using numbers).
What Do I need?
• Water
• 1 cent coins
• A small glass
• A big bowl / beaker
1 sen
A big bowl / beaker
A small glass
Water
1 cent coins
What Do I do?
1. Get a small empty glass.
2. Put the coins into the glass.
Now, put the glass in a bowl of water. Try to throw the coins into the glass.
3. What happens? Why is it so difficult?
1 sen
1 sen
1 sen
1 sen
What Happened?
Your aim will not be accurate. This is because the water pushes the coins aside.
The coins will drop into the bowl/beaker instead.
Tearchers Fellowship Program 2007/COL/Mini Shows
prepared by: Zaharah Binti Ismail Ali
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DINING COINS
Pre-school Curriculum:
Bahasa dan komunikasi
Bahasa Melayu
1.1.2 Mengecam dan membeza pelbagai jenis bunyi.
1.1.5 Mendengar dan memberi geak balas terhadap:- a) arahan b) perbualan.
2.2.4 Bersoal jawab secara bersopan
Bahasa Inggeris
1.4.1 Listen and carry out simple instruction.
Kognitif
4.1.1
4.2.1
7.1.1
7.1.3
Membilang objek 1-5.
Membilang objek 1-10
Memerhati dan merekod pemerhatian.
Menerangkan pemerhatian yang dilakukan.
Kerohanian dan Moral
2.5.2 Menerangkan tujuan membayar zakat.
Fizikal
2.3.1 Membilang objek ke sasaran.
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FLOATING FLOWER
Introduction:
This activity is to provide one of many opportunities to introduce the pre-school
pupils to scientific concepts and processes by helping them to gain the scientific
habit of observing what’s around them. The children are able to experiment with
water. In this activity, pupils are able to explore how capillary action can cause
paper to “bloom”.
What Do I Need?
A sheet of colored paper
A pair of scissors
Water
Posters colour
What Do I Do?
1. Draw the shape as given in the picture. Paint it and cut it out.
2. Tell them to write a secret message or draw a surprise icon in the middle of the
flower. Fold all the corners in so they meet in the centre.
3. Now Place this paper flower on the water very carefully.
Tearchers Fellowship Program 2007/COL/Mini Shows
prepared by: Intan Syafinaz Mohd. Kamal
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FLOATING FLOWER
What Happened?
This paper flower will open slowly.
Do You Know Why?
• The water penetrates, by capillary action, into the little empty space in the fibres
of the paper.
• This makes the fibres swell, including those along the fold.
• This swelling makes the lines unfold, opening the flower.
Preschool Curriculum
Development Skills
Bahasa dan Komunikasi
Kreativiti dan Estetika
Kognitif
Kerohanian dan Moral
Fizikal
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prepared by: Intan Syafinaz Mohd. Kamal
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DEEP INTO THE BOTTOM
Introduction
This activity is about surface tension of water. Surface tension is an effect within the
surface layer of a liquid that causes that layer to behave as an elastic sheet.
What Do I Need?
50 se
n
Coin
• 2 plastic containers
• Black pepper and talcum powder
• Water
• Coin
• Bottle cap
• Liquid soap
Water
Talcum
Power
Black
Peper
Soap
Bottle cap
Liquid soap Black pepper and talcum powder
2 plastic container
What Do I Do?
1. Add water into the plastic containers.
2. Place coin and bottle cap in each of the container.
3. Sprinkle surface of the waters with black pepper and talcum powder.
4. Ask a student to pick up all the items that have been inside the plastic containers
without touching the sprinkled black pepper and talcum powder.
T
a
Po lcum
we
r
B
P al
ep c
er k
If they cannot pick the items.
Try by
• Put some liquid soap on your finger.
• Pretend that you will touch surface of the water with magic powder.
• Then pick up the item.
50 sen
50 sen
Soap
50 sen
What Happened?
When liquid soap touches surface of the water, surface tension weakens. The particles of the sprinkle powder will be pulled to the wall. This will make a hole on the
surface. Thus the item can be easily pick without touching the powders.
Curriculum Specification Link
1. Water and solution Science Form 2
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A DOZEN NAILS
Introduction
Factors that affect the stability of an object.
What Do I Need?
A wooden board
A hammer
A dozen iron nails
What Do I Do?
1. Hammer an iron nail into the wooden board firnely.
2. Put 5 iron nails together on one side. Put the other four on the other side.
3. Place one iron on the top of others.
4. Hold all the nails at both ends and lift them?
5. Then, stabilized these iron nails on the standing still nail?
6. For the second challenge, hammer 3 iron nails on a wooden block?
7. Then, using the remaining nails, build a square on top of these three nails?
Tearchers Fellowship Program 2007/COL/Mini Shows
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A DOZEN NAILS
What Happened?
When the iron nails is arranged in a pattern of two sides comb or a square on top
of the three nails, the weight distributed fairly. When all these nails able to hanged
freely on one standing nail, they are kept hanging due to a balance centre of gravity.
The distribution of the weight through all the nails help them to be stabilized.
Another reason is, the wide area of the base is formed when the nails hang over
with all the sharp ends spreading out. This will also increase the stability of the nails.
Curriculum Specifications Link
• Science Form Two syllabus.
• The theme of “Technological and Industrial Development in Society”,
• The learning area of “Stability”.
• Learning outcomes:1) Relate the point of equilibrium as the centre of gravity of an object
2) Relate the centre of gravity to the stability of an object
3) Relate how the weight affect the stability of an object
4) Relate the size of base area to the stability of an object
5) Suggest ways to improve the stability of an object
References:
• Curriculum Specifications Science Form Two
• http://www.metacafe.sciencetrick.com
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CATCHING THE RINGS
Introduction
Plastic is a form of synthetic polymer. It is made through the polymerisation process, and its raw material (ethylene-a type of gas) comes from petroleum. It is tough
yet cheap and widely used in everyday applications.
What Do I Need?
• Sharpened pencils
• Various type of plastic rings ( various colours)
• Various type of wooden rings
• Plastic bag (medium size)
• Water
Sharpened pencils
Water
What Do I Do?
Various type of wooden rings
Plastic bag (medium size)
Various of plastic rings
( various colours)
1. Fill a plastic bag with water and seal the top tightly.
2. Put some colourful rings in the plastic bag. Allow the plastic bag to hang freely to
make the activity easier.
3. Stab one pencil into the plastic bag and try to get many rings without any water
spilling out.
4. Puncture the bag with several newly sharpened pencils, to ensure the water
won’t leak out.
What Happened?
Most plastic bags are made of polyethylene. When polyethylene is heated, its molecules shrink, so when you stab a pencil through the polyethylene bag, the friction
of the pencil against the plastic heats the polyethylene molecules and causes them
to shrink around the pencil. That’s one reason why no water will leak out.
The wooden ring is easily picked by the pencil it is less dense and half float in the
water compared to the plastic ring.
Tearchers Fellowship Program 2007/COL/Mini Shows
prepared by: Nik Azida Binti Nik Mahmood
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CATCHING THE RINGS
Curriculum Specifications Link
• Science Form One syllabus. With the learning area of “Synthetic Materials in
Industry – Synthetic Polimers”.
• Learning outcomes:1) Defining what synthetic polymers is
2) Analysing plastics
3) Practise responsible attitudes in the disposal of synthetic polymers
References:
• Curriculum Specifications Science Form Five
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prepared by: Nik Azida Binti Nik Mahmood
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THE DANCING MOTHBALLS
Introduction
In the activity students think about the scientific explanation of the puzzling ‘dancing mothballs’
What Do I Need?
2 beakers
1 box of Nopthatene (ubat gegat)
2 bottle of vinegar
1 bottle of salt and sugar
1 bottle of Soda Bicarbonate
Vinegar Vinegar
2 bottle of vinegar
1 bottle of salt and sugar
3 beakers
1 box of Nopthatene (ubat gegat)
1 bottle of Soda Bicarbonate
What Do I Do?
1. Label the 3 beakers A, B and C
A
B
C
eg
Vin
ar
2. Then pour vinegar into each of the beakers in equal amount.
A
B
C
A
B
C
3. Put 3 tablespoons of _______ into:
Beaker A
Sugar
Beaker B
Salt
Beaker C
Soda
Bicarbonate
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4. Stir the mixture in each beaker
A
5. Lastly, take 6 balls of naphthalene
A
B
C
6. Now, observe the reaction. What do you see?
C
What Happened?
The naphthalene balls in Beaker C were dancing. The bicarbonate of soda is the
compound of sodium, hydrogen, carbon and oxygen. In the chemical reaction, it
breaks up in contact with the vinegar.
Tearchers Fellowship Program 2007/COL/Mini Shows
prepared by: Zaiton Binti Minhat
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HOMOPOLAR MOTOR
Introduction
This activity will show you on how to make an interesting homopolar motor that
makes screws spin. The homopolar motor demonstrated by Michael Faraday in
1821 at the Royal Institution in London.
What Do I Need?
• Metal screw
• Connecting wire
• Alkaline battery
• Neodymium disk magnet
DURACELL
Connecting wires
Alkaline battery
Metal screws
Neodymium disk magnet
What Do I Do?
1. Put a screw on the neodymium disk magnet.
2. Attach the sharp point of the screw to the negative pole of the battery.
3. Attach one end of the connecting wire to the positive pole of the battery.
4. Bring the other end of the connecting wire towards the magnet.
5. Observe what happens to the screw.
DURACELL
1
2
3
DURACELL
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HOMOPOLAR MOTOR
What Happened?
A homopolar motor has a magnetic field along the axis of rotation and an electric
current that at some point is not parallel to the magnetic field. Homopolar means
the absence of polarity change. The screw and magnet contact the bottom of the
battery cell and are held up by magnetic attraction.
Moving electric charges (an electric current) in a magnetic field experience a
Lorents force. This force is perpendicular to both their direction of movement and
the magnetic field. In the homopolar motor above, the electric current produced by
the battery moves radially through the disk magnet, which has a magnetic field
along its longitudinal axis. The resulting Lorentz force in the tangential direction produces a torque in the magnet. Now it is free to rotate with the attached screw.
Curriculum Specification Link
Science Year 3 – Magnet
Science Year 5
Theme: Investigating Force And Energy
Learning Area : Energy
Learning Area : Electricity
Learning Area : Heat
Science Year 4
Theme: Investigating Material
Learning Area: Properties of materials
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RISING COLOURED HOT WATER
Introduction
The activity below demonstrate the principle of the rising of coloured water using
hot and cold water or heat transfer.
What Do I Need?
Sharp pencil
• Dark food colouring
Transparent plastic
food wrapping
• Small jar
• Small pitcher
• Transparent plastic food wrapping
HUHU
• Scissors
Strong rubber band
• Strong rubber band
• Sharp pencil
• Large jar
• Small towel
• Large pitcher
• Hot water
small jar
large jar
hot water
• Cold water
small picther
scissors
Small tower
cold water
What Do I Do?
1. Pour some of the food coloring into the small jar. You may need to add more later;
to give your solution a deep colour. This will make the last stage easier to see.
2. Fill the small jar with hot water up to the brim.
3. Cut a circular piece of the plastic food wrapping about 10 cm bigger than the top
of the small jar. Place it over the top and secure it with a rubber band.
4. With the sharp end of the pencil, carefully make two small holes in the plastic that
is covering the top of the jar.
5. Place the small jar inside a large jar. Fill the large jar with cold water until the water
level is about twice height of the small jar.
6. Observe what is happening in the jar.
Tearchers Fellowship Program 2007/COL/Mini Shows
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RISING COLOURED HOT WATER
What Happened?
The coloured hot water begins rising from the holes because it is lighter or less
dense than the cold water around it.
This activity also show the concept of heat transfer where heat moves from hot
areas to cold areas to form equilibrium of temperature in the water. Heat is transferred when there convection current is formed due to this concept.
Curriculum Specification Link
Science Year 5
Theme : Investigating Force And Energy
- Learning Area: Energy
- Learning Area: Heat
- Learning Area: States of Matter
Tearchers Fellowship Program 2007/COL/Mini Shows
prepared by: Hashimi Bin Ismail