Asian Science Teacher Runs An Experiment For Six Schoolchildren By Putting Dry Ice Into Four Flask With Colored Liquid There Was Reaction Of Smoke From Dry Ice In Flasks With LiquidÂ
Front view of Asian science teacher making an experiment for six school children by putting dry ice into four flask with colored liquid, there was reaction of smoke from dry ice in flasks with liquid
Waist up of group of multiethnic schoolchildren looking at chemical reaction in glass flask while conducting experiments at Science class with teacher
Asian science teacher with kids in lab class working about experiment by puts dry ice into flasks with colored liquid while there was reaction of smoke from dry ice in two flasks
Scientist conducting chemistry experiments with children in lab
Korean scientist demonstrates chemical reactions to young students in a lab class.
Medium slowmo of African American male Science teacher with disability practicing lab experiments showing glass flask with smoke from dry ice and water reaction to pupils in classroom
Slowmo of group of multiethnic students and their African American teacher in lab coats experimenting with dry ice getting lots of smoke in flask as reaction, having fun together at Science class
Young Scientist-Teacher Conducts Dry Ice Experiments for Children
Scientist showing kids how to do chemical reaction experiments in lab class. Chemical reaction orange color in glasses flask. Science, chemistry and scientists
Scientist working with chemical reaction in chemistry lab. Chemical reaction in glass flask. Lab worker doing chemical experiment in laboratory. Researcher use pipette to drop liquid in glass flask
Scientist conducting chemical reaction in lab with students observing. Green liquid experiment in glass flasks.
Front view of on lesson of chemistry group of schoolchildren with Asian teacher doing a chemical experiment using chemical liquids and dry ice in laboratory class