Tuesday, November 17, 2009
Monday, November 16, 2009
Measure and Compare the Volumes of Liquid using Standard units.
Measure the Volumes of Liquid in Litre

This is a measuring cylinder.
l stands for litre.
1 litre = 1000 mililitre.

1. ____ litres of water can fill up the bottle.
2. ____ litres of water can fill up the kettle.
3. ____ litres of water can fill up the pail.
4. The bottle holds _____ water than the kettle.
5. The kettle holds _____ water than the pail.
6. The pail holds _____ water than the bottle.
Let's try
Which container can hold more water, a bottle or a vase ?
We can use the beaker to measure the volume.1. The vase is filled up with 6 beakers of water.
2. The bottle is filled up with 4 beakers of water.
So, we can see..
1. The vase holds more water than the bottle.
2. The bottle holds less water than the vase.
1. The vase holds _______ mugs of water.2. The basin holds _______ mugs of water.
So...
1. The vase holds ______ water than the basin.
2. The basin holds ______ water than the vase.
Measure the Volumes of Liquid
How can we measure the volume of liquid
in different containers?Let's us try together...

Pour the liquid from the kettle and the pail into the cups.
The water in the kettle fills up 6 cups.
So, the volume of liquid is 6 cupfuls.
The water in the pail fills up 8 cups.
So, the volume of liquid is 8 cupfuls.
Wednesday, November 11, 2009
UNDERSTAND VOLUME OF LIQUID
Use the words related to volume.

Bottle B has more water than bottle C
Bottle C has less water than bottle B
Let's try it.
Fill in the blank with full, half full, empty, more and less.

1. Cup C is ___________
2. Cup A is ___________ of water.
3. Cup D is ___________ of water.
4. Cup B has ____________ water than cup A.
5. Cup E has ____________ water then cup D.
Compare the volumes of two liquid.

This bottle is full of juice.

This glass is full of juice too.
Is the amount of juice equal ?
Let's compare the amount of juice using the beakers.

Beaker A has more juice than beaker B.
The Bottle holds more juice.
The glass holds less juice.
Measure and compare volumes of liquid by direct comparison.




Bottle B has more water than bottle C
Bottle C has less water than bottle B
Let's try it.
Fill in the blank with full, half full, empty, more and less.

1. Cup C is ___________
2. Cup A is ___________ of water.
3. Cup D is ___________ of water.
4. Cup B has ____________ water than cup A.
5. Cup E has ____________ water then cup D.
Compare the volumes of two liquid.

This bottle is full of juice.

This glass is full of juice too.
Is the amount of juice equal ?
Let's compare the amount of juice using the beakers.

Beaker A has more juice than beaker B.
The Bottle holds more juice.
The glass holds less juice.
Measure and compare volumes of liquid by direct comparison.



Thursday, November 5, 2009
INTRODUCTION TO VOLUME OF LIQUID
The volume of liquid in an expansion thermometer depends on the temperature of the liquid. If two thermometers start out at the same temperature and then one is put in a hot environment and one in a cold, their volumes will change. A scale on the side of a thermometer shows how volume is related to temperature.
Teacher can display those collections of containers in a learning centre for students to explore capacity measurement. Every learning centre should have at least a standard graduated measuring cylinder in liters and millimeters. This is to enable the students to measure volume of liquids especially in standard units.
Meaning Volume of Liquid
Volume of liquid refers to the capacity of liquids in the containers. Capacity can be measured by using non standard units (more or less) and in standard units in millimeters (ml) and litters (l) in the metric system. Investigations amount of liquids which can be poured between containers of different shapes and sizes. Exploration of capacity or volume of liquid involves manipulation of containers of various sizes that may either be collected or purchased for classroom activities. A cheap way to do the activities is to have your students collect some containers such as mineral water bottles, soft drink cans, vases etc which can be found around them.Teacher can display those collections of containers in a learning centre for students to explore capacity measurement. Every learning centre should have at least a standard graduated measuring cylinder in liters and millimeters. This is to enable the students to measure volume of liquids especially in standard units.
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