Black female scientist in lab coat looking on flask with experimental liquid on yellow background. She also has safety glasses on eyes.
Closeup of young chemist in protective gear holding glass flask with purple liquid
Tracking shot of female chemistry teacher in lab coat and goggles holding glass flask with liquid and showing it to curious schoolchildren in classroom
Multiethnic man and woman in lab coats looking on flask with experimental liquid on yellow background. They are in eyeglasses and lab coats.
Handheld portrait shot of happy schoolgirl in goggles and lab coat holding glass flask with red liquid and smiling for camera in science class
Portrait tracking of smart African-American schoolgirl in goggles and lab coat standing in classroom and holding glass flask with blue liquid, then smiling at camera
Handheld close up of female chemistry teacher holding up glass flask with steaming and foaming blue liquid as curious schoolchildren in lab coats looking at it
Handheld tracking of female chemistry teacher in lab coat and goggles holding up glass flask with steaming blue liquid and showing it to curious schoolchildren during lesson
Professional chemist or microbiologist in gloves and lab coat holding flask with liquid and looking at it, slightly shaking it and putting test tube back
Waist up of young Caucasian female chemist wearing safety glasses, face mask and white lab coat pouring unrecognizable liquid from glass flask into beaker while conducting experiment in lab
Lab flask in scientist hand. Female scientist hands mixing blue liquid in glass flask. Laboratory testing. Science laboratory research. Close up of lab worker holding test tube with liquid
Scientist Examining Flask with Pink Liquid Substance