Observing liquid reaction in conical flask during experiment in modern chemistry lab
Waist up shot of three pupils in protective glasses and lab coats doing chemical experiments with liquids pouring them into lab tubes and observing reaction having Chemistry lesson at school
Serious male scientist in eyeglasses putting some drops of liquid substance on top of lab-grown meat in petri dish and observing reaction during experiment
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
Female research scientist putting organic material with tweezers on slide and looking on it under the microscope in chemistry lab
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
Chemical reaction in flask at chemistry lab. Scientist conducting chemical experiment in chemistry laboratory
Scientist conducting chemistry experiments with children in lab
Chemistry teacher guides students in chemical reaction experiments
Waist up of young female Chemistry teacher giving lesson to group of multiethnic schoolkids, observing chemical reaction in glass flask in school lab