Insegnante sorridente e studenti scienziati che lavorano con modello molecolare in laboratorio - Foto e immagini stock

Man teacher and girl student scientists making experiment in chemical lab

Smiling teacher and student scientists working with molecular model and taking notes

Happy preteen kids in white coats looking at camera near microscope and test tubes with flasks

Scientific study. Happy positive nice children being in the lab and feeling excited while observing the experiment

Teacher and pupils at chemistry lesson in classroom

Education, science, chemistry and children concept - kids or students with test tube making experiment at school laboratory

Little boy and girl in white coats using microscope and smiling at camera in lab

Girl in eyeglasses mixing liquid in test tubes near smiling friend in white coat

Professional chemists in white coats inspecting test tubes with reagents in lab

Professional chemists in white coats inspecting test tube with reagent in lab

Portrait of cheerful scientist showing laboratory tubes and looking to camera

Young man scientist in eyeglasses and white coat examining test tube in laboratory

Portrait of smiling scientist showing laboratory tubes and looking to camera

Smiling scientist holding molecular model in laboratory, focus on foreground

Concentrated scientist in eyeglasses working with test tubes in lab

Side view of concentrated scientists examining laboratory tube