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 ClassroomÂ
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
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 liquid
Medium slowmo of African American teacher of Chemistry in wheelchair performing lab experiment to multiethnic group of pupils, adding water to glass flask with dry ice and having smoke as reaction
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
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 working with chemical reaction in chemistry lab. Chemical reaction in glass flask. Lab worker doing chemical experiment in
Scientist working with chemical reaction in chemistry lab. Chemical reaction in glass flask. Lab worker doing chemical experiment in
Scientist working with chemical reaction in chemistry lab. Chemical reaction in glass flask. Lab worker doing chemical experiment in
Scientist conducting chemistry experiments with children in lab
Scientist showing kids how to do chemical reaction experiments in lab class. Chemical reaction orange color in glasses flask. Science, chemistry and scientists
Medium shot of African American male Chemistry teacher showing lab experiment to pupils in classroom, putting brown powder in lab tube with liquid and having smoke as reaction