Niña científica en gafas protectoras sosteniendo el frasco y sonriendo a la cámara - Foto e imágenes de stock

Excited little girl scientist making experiment in laboratory

Smart girl looking at color of reagent in flask, close-up

Schoolgirl in white coat making experiment with reagents in science laboratory

Practical lesson. School-age girl in protective glasses adding liquid from pipette to test tube standing in classroom

Doing my best for excellent mark. Skillful diligent cheerful child sitting in the laboratory and enjoying chemistry class while taking part in the microbiology experiment and using bulb

Funny experiment. Happy jolly gay girl looking at bulbs while working with them and grinning

Portrait of cheerful scientist showing laboratory tubes and looking to camera

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

Smiling scientist holding molecular model in laboratory, focus on foreground

Portrait of smiling scientist in white coat and protective glasses in lab

Portrait of smiling scientist showing laboratory tubes and looking to camera

Portrait of concentrated woman scientist working in lab

Portrait of cheerful scientist in uniform looking to camera

Side view of concentrated scientist working with laboratory tube