Mulher chocada professor e menina estudantes cientistas olhando para tubo experimental em laboratório - Banco de fotos e imagens

Smiling woman teacher and girl student scientists analyzing experimental liquid in tube in lab

Low angle view of excited woman teacher and girl student scientists looking at experimental tube in lab

Young girl making science experiments in laboratory. education

Young girl making science experiments in laboratory. education

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

Children doing chemical research in laboratory. Dangerous experiment

Portrait of cheerful scientist showing laboratory tubes and looking to camera

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

Top view of scientist working with microscope in laboratory

Portrait of cheerful scientist in uniform looking to camera

Young confident woman scientist in lab coat holding digital tablet and looking at camera

Cute preteen blonde girl grimacing isolated on black

Man scientist holding glass tube in hand in lab

Top view of scientists in uniforms looking through microscopes in laboratory