1st to 3rd Places presented by: Dr. Laura Reid. 3rd Place: (1014) GPS Vehicle/Person Tracking - Shikhar Maheshwari from Orchard Park School, (1083) Synthetic Ice vs. True Ice - Jonathan Pereboom from London Christian Elementary School, 2nd Place: (1113) How can we produce more electricity without producing more pollutants? - Aleksa Bjelogrlic from Mountsfield School, (1116) using solar energy to purify polluted or salt water - Ozlem Ali from London Islamic School, 1st Place: (1013) Passive RFID Based Object Locator - Gary Shen and Carl Shen from Mountsfield School, (1090) I Found the Treasure - Salma El-Sakka from London Islamic School