Enseignant avec élève faisant des expériences à table en classe de chimie - Photo & image de stock

Teacher with pupil making experiment at table in chemistry class

Smart pupils making experiment in chemistry class

Teacher with pupil making experiment at table in chemistry class

Smart pupils making experiment in chemistry class

Teacher with pupil making experiment at table in chemistry class, focus on hand

Smart pupils making experiment in chemistry class

Children doing chemical research in laboratory. Dangerous experiment

Teacher and pupils at chemistry lesson in classroom

Children doing chemical research in laboratory. Dangerous experiment

Children doing chemical research in laboratory. Dangerous experiment

Smart pupils making experiment at table in chemistry class

Schoolchild making experiment at table in chemistry class, closeup

Smart pupil with test tubes in chemistry class

Child doing chemical research in laboratory, space for text. Dangerous experiment