Tuesday, November 2, 2010

week 6..time for lab..not lap.....

This week is quite interesting because it is more on the application of Micro-computer based laboratory (MBL). we we brought to lab to do some hands on experiment.

In groups, we were required to choose one tools to test. My group choose to use the Magnetic Field Sensor. However, we find it quite difficult and complicated as we never have use it before.
What is a magnetic Field Sensor? Magnetic Field sensor is used to investigate the relationship between magnetic field intensity and the distance from the magnet.

Advantages : -
1) We believe that this tool is effective in collecting, analyzing and displaying data in the form of graphs and charts.
2) the data can be stored in the computer's memory.
3) this tool can improve the students' ability to interpret graphs.
4) This tool is not time consuming as it saves time.

Disadvantages : -
1) this tool is not very suitable for primary schools students. This is because this tool is quite complicated and a person should have skill to do this.
2) The students might not able to able to see the relationship between the diagram of the magnetic field and the graphs collected.
3) By using this tool, the students may not be able to improve their science process skills

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