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Direct linkSigmann, Samuella B. – Journal of Chemical Education, 2021
In 2015, "NFPA 45, Standard on Fire Protection for Laboratories Using Chemicals," from the National Fire Protection Association (NFPA) was updated to include language requiring educators to perform a documented risk assessment when conducting demonstrations in K-12 classrooms. Additionally, in the past five years numerous organizations…
Descriptors: Science Instruction, Chemistry, Laboratory Safety, Science Laboratories
Sigmann, Samuella B. – Journal of Chemical Education, 2018
Over the past 20 years 164 children and educators have been reported as injured in demonstrations using flammable solvents. The injuries were the result of flash fires, flame jets, and projectiles which occurred once control was lost by the presenter. "The rainbow demonstration" using methanol as the solvent has by far been the most…
Descriptors: Chemistry, Science Instruction, Elementary Secondary Education, Science Teachers
