CEHS science fair participants 2022

Please congratulate the following students for their participation in the Maine State Science Fair this past Saturday:

Cayden Royall, Zoe Matzkin & Ainsley Fremont: The difference in carbon dioxide levels in high school classrooms on testing days compared to normal lecture days;
Penny Haydar & Caroline Gentile: Effects of wearing masks on oxygen levels during aerobic exercise;
Thijs Gilda & Jack Quinn: Amount of PM 2.5 air pollution from diesel trucks in the residential neighborhoods of South Portland;
Eva Morris: The effect of paraffin wax versus soy wax on particulate matter in the household;
Lucy Rayback (below): The effect of spices on E.coli K-12 bacteria growth (received 2 scholarship awards);