Saturday, 29 October 2011
Water Testing Activity
During 21st October, our class, together with 1B, went to Sengkang Floating Wetland for a Science trip. The main point of the trip is the water testing activity. First, we had to go and get the water and the apparatus for the experiment. These apparatus include a thermometer, 2 beakers and 3 pills. Using the apparatus, we need to measure the acidity of the water, and many more scientific facts about the water. Throughout the experiment, we found out many facts of the water and also learnt to work with our group mates, which allow us to finish the task in time.
what I learnt in this outdoor activity
i have learnt how to find the Ph of the waters, the acidity of the waters and other fact of the waters by just using 3 pills. i have also learnt about teamwork and how we can help one another to complete the task in time. this is a wonderful outdoor learning trip and i hope that we will have more activities like this. during the activity, we can bond with our classmates and also learn something new, it is jut like killing 2 birds with a stone
pictures of Sengkang Floating Wetland
These are someof the pictures of the plants living at Sengkang Floating Wetland
Monday, 6 June 2011
what is Forensic Science???
Forensic Science is science used for the purposes of the law, and therefore provides impartial scientific evidence for use in the courts of law Forensic Science is a subject, drawing principally from chemistry and biology, but also physics.
In a typical criminal investigation crime scene investigators, will gather evidence from the crime scene, victim and suspect. Forensic will examine these materials to provide scientific evidence to assist in the investigation and court proceedings, and thus work closely with the police. Senior forensic scientists, who usually specialize in one or more of the key forensic disciplines, may be required to attend crime scenes or give evidence in court as impartial expert witnesses.
description of job
When there is a new case, police will call for the forensic and they will arrive as soon as possible to the scene and help the police and CID find out the cause of the death. after that, they will bring them back to the lab for further explaination of the person's death.
the people
Paul Theodor Uhlenhuth (born in Hanover on 7 January 1870; died in Freiburg im Breisgau on 13 December 1957) was a German bacteriologist and an assistant professor at the Institute of Hygiene at the University of Greifswald. He is famous in the annals of forensic science for developing the species precipitin test which could distinguish human blood from animal blood.
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