Portrait shot of science educator teaching young students chemical experiment with vaporization
Front view. Science teacher instructing students in chemical experiment with vaporizing liquid
Portrait shotting of group of caucasian school children in chemical lab. Pupils putting dry ice into the flasks with colorful water which causes intensive vaporization
Kids and teacher looking at flasks in science experiment
Kids and teacher looking at flasks in science experiment
Close-up of chemicals beakers and flasks with colored liguid where evaporates the cold smoke. Chemical experiment
Young Scientist-Teacher Conducts Dry Ice Experiments for Children
Korean teacher demonstrates chemical experiment to young students. Blue chemical reaction in glass flask. Science, chemistry, scientists.
Lab worker dripping reagent in lab flask with liquid. Unsuccessful lab experiment. Science experiment fail