Portret van verlaten man leraar en meisje student wetenschappers maken experiment in laboratorium - Stockfoto’s en -afbeeldingen

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

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

Portrait of shocked girl scientist looking at experimental tube in lab

Concentrated little kids in lab coats making experiment in chemical laboratory

Smart boy and girl mixing liquids in flask while conducting chemical experiment in modern laboratory in school

Concentrated boy and girl holding test tubes with reagents in chemical lab

Three happy kids in white coats making chemical experiment in laboratory

How come. Jolly astonished boy screaming while moving hands while gay girl combining liquids

Scientist showing laboratory tube, focus on foreground

Portrait of cheerful scientist showing laboratory tubes and looking to camera

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

Young male chemist holding flask with green liquid

Smiling scientist holding molecular model in laboratory, focus on foreground

Portrait of concentrated woman scientist working in lab

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

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