A teacher in Houston was trying to show a preschool class how flames change color when her science experiment went terribly wrong. The teacher was using chemicals to change the colors of a flame she ...
WASHINGTON, Nov. 11, 2015 -- A chemistry demonstration commonly known as the "rainbow flame" experiment has resulted in a number of serious injuries in classrooms in recent years. The experiment is ...
The science teacher was showing students how different chemicals emit different colors when set alight but the demonstration backfired when a 'splash of fire' hit students. Students described scenes ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results