Insegnante sorridente e studenti scienziati che lavorano con modello molecolare e prendere appunti - Foto e immagini stock

Smiling woman and little girl in lab coats working with molecular model

Happy adult scientists and little girl student working together in chemical lab and smiling at camera

Teacher and little student scientists working with microscope in laboratory

Smiling teacher in white coat and protective goggles embracing pupils during chemistry lesson

Portrait of smiling scientists working with microscope slide in lab

Woman teacher and girl student scientists looking at glass microscope slide through magnifier

Smiling woman teacher and girl student scientists having fun with molecular model

We are the winners. Good looking happy nice girls smiling and holding the certificate while winning the scientific competition

Portrait of cheerful scientist showing laboratory tubes and looking to camera

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

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

Side view of concentrated woman scientist working with microscope in laboratory

Portrait of smiling scientist showing laboratory tubes and looking to camera

Side view of scientist writing down test results while working in laboratory

Portrait of smiling scientists in uniforms holding laboratory tubes

Side view of concentrated scientist working with microscope