1st to 3rd Places presented by: Dr. Jan Polgar. 3rd Place: (1003) The Effect of Metal Ions on Bean Plant Growth - Danial Gill from Central Secondary School 2nd Place: (1026) A BOOST UP"" (the relationship between the distance of wounding plants and the plants' growth)" - Aruni Jayatilaka from Central Secondary School 1st Place: (1004) Utilizing allelopathy of Alliaria petiolata to inhibit weed germination in standing crops - Jessie MacAlpine from Huron Park Secondary School