Πορτρέτο του επιστήμονα σοκαρισμένος κορίτσι βλέπει πειραματικό σωλήνα στο εργαστήριο - Φωτογραφίες & Εικόνες Αρχείου

Schoolgirl in protective goggles holding flask with chemical sample

Schoolgirl in white coat making experiment with reagents in chemical lab, science student concept

Portrait of exited man teacher and girl student scientists making experiment in lab

Boy and girl in lab coats looking at camera in chemical laboratory

Portrait of smiling man teacher looking at excited girl student during experiment in lab

Multicolored liquids. Astonished little surprised girl elevating bulbs filled while different liquids and opening mouth

Young girl making science experiments in laboratory. education

Excited man and woman scientists in protective glasses working with reagents in lab

Scientist showing laboratory tube, focus on foreground

Young male chemist holding flask with green liquid

Portrait of cheerful scientist showing laboratory tubes and looking to camera

Man scientist holding glass tube in hand in lab

Smiling scientist holding molecular model in laboratory, focus on foreground

Young man scientist in eyeglasses holding flask with reagent and looking at camera

Portrait of concentrated woman scientist working in lab