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Thursday, September 29, 2011
Reflection on forensic science module
At first, I thought forensic science would be boring and dreary, but I was proven wrong by the fun activities we conducted during this module. Through this module, I find that my skills of observation and deduction have become stronger, and I can think more clearly when analysing situations.
Forensic science- Lefty Lewis
Evidence that may have been left at the scene of the crime:
-Tyre marks near front gate when attempting to reverse vehicle
-Might have left patch of oil as car was parked
-Left footprints on freshly dug flowerbed on his way to balcony
-Fingerprints left behind on anything he touched (he forgot to wear his gloves)
-Dropped his torch and left it on the flowerbed
-Blood from small wound on his left hand would have been left on anything he touched with his left hand
-Grazed the gate of the house with his car, leaving paint behind
-Left marks on balcony window indicating forced entry
Evidence that may have been taken away by Lefty:
-Soil may have stuck to his shoes from the flowerbed
-He may have jacaranda flowers or leaves or seeds stuck to his shoes, as he parked his car under a jacaranda tree
-His vehicle may have tell-tale marks of an accident - there might be scratches on his rear mudguard
-His car tires may have dirt from the muddy area in front of the mansion
-Small glass shards from the broken window and bits of fabric from the curtain may have gotten stuck in Lefty's wound
Suggestion for forensic scientist:
-Do blood test on any bloodstains made by Lefty's small wound - there should be a match in the police database
-Analayse footprints found in flowerbed to determine size of person's feet, and examine shoe prints to look for recognisable characteristics e.g. deep grooves. The suspect's shoes can then be compared with the footprints.
-Search for fingerprints and compare them with any in database - Lewis has struck before
-Check torch for fingerprints made by Lefty - more fingerprints ensure that the suspect is guilty
-Compare soil from Lefty's shoes with soil found in flowerbed
-Mud from car tires can be compared with soil found in front of the mansion
-Lefty's wound can be examined for glass pieces and fabric that match the window pane and the curtain
-Lefty's shoes can be examined for jacaranda seeds, leaves or flowers that he may have trampled on
-Paint from Lefty's car can be compared with the paint found on the gate
-Tyre marks near front gate when attempting to reverse vehicle
-Might have left patch of oil as car was parked
-Left footprints on freshly dug flowerbed on his way to balcony
-Fingerprints left behind on anything he touched (he forgot to wear his gloves)
-Dropped his torch and left it on the flowerbed
-Blood from small wound on his left hand would have been left on anything he touched with his left hand
-Grazed the gate of the house with his car, leaving paint behind
-Left marks on balcony window indicating forced entry
Evidence that may have been taken away by Lefty:
-Soil may have stuck to his shoes from the flowerbed
-He may have jacaranda flowers or leaves or seeds stuck to his shoes, as he parked his car under a jacaranda tree
-His vehicle may have tell-tale marks of an accident - there might be scratches on his rear mudguard
-His car tires may have dirt from the muddy area in front of the mansion
-Small glass shards from the broken window and bits of fabric from the curtain may have gotten stuck in Lefty's wound
Suggestion for forensic scientist:
-Do blood test on any bloodstains made by Lefty's small wound - there should be a match in the police database
-Analayse footprints found in flowerbed to determine size of person's feet, and examine shoe prints to look for recognisable characteristics e.g. deep grooves. The suspect's shoes can then be compared with the footprints.
-Search for fingerprints and compare them with any in database - Lewis has struck before
-Check torch for fingerprints made by Lefty - more fingerprints ensure that the suspect is guilty
-Compare soil from Lefty's shoes with soil found in flowerbed
-Mud from car tires can be compared with soil found in front of the mansion
-Lefty's wound can be examined for glass pieces and fabric that match the window pane and the curtain
-Lefty's shoes can be examined for jacaranda seeds, leaves or flowers that he may have trampled on
-Paint from Lefty's car can be compared with the paint found on the gate
Sunday, September 4, 2011
My work
Since before I'd forgotten to add in some of my PowerPoints for my Science ACE, I decided to add in links to my PowerPoints on Google docs.
DULL distilled water
Reproductive System
DULL distilled water
Reproductive System
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