Menina pré-adolescente em óculos e casaco branco sorrindo para a câmera perto do microscópio no laboratório - Banco de fotos e imagens

Blue liquid. Joyful sweet blond girl taking vial from stand while grinning and standing near microscope

Girl in goggles holding flask near microscope in laboratory

Girl scientist in lab coat holding molecular model and smiling at camera

Happy preteen girl in goggles looking at camera in blurred chemical laboratory, banner

A beautiful female scientist is operating in a science lab with various equipment in the lab.

Smiling boy in goggles holding bottle near blurred test tubes during chemical experiment in laboratory

Smiling preteen boy in white coat holding test tube near microscope in chemical laboratory

Preteen kid in goggles and latex gloves looking into microscope near test tubes

Preteen boy in white coat near microscope and blurred test tubes in lab

Side view of boy in white coat looking into microscope on blurred foreground

Happy preteen kid in white coat looking at camera near microscope in laboratory

Cheerful boy in white coat looking at camera near test tubes in laboratory

Happy boy holding bottle near test tubes and microscope during chemical experiment

Preteen boy with dirty face holding steaming flask while making chemical experiment in lab