Medium shot of female Biracial lab worker taking flask with purple liquid from shelf showing it to female Caucasian colleague
Focus on hand of female Biracial scientist taking flask with purple liquid from shelf in laboratory at daytime
Scientist taking out a purple liquid from a conical flask in a lab
Medium shot of blond female chemistry teacher showing steaming and bubbling glass flasks with colorful liquid to schoolchildren in lab coats
Tracking shot of female chemistry teacher in lab coat and goggles holding glass flask with liquid and showing it to curious schoolchildren in classroom
Scientist taking out a purple liquid from a conical flask in a lab, slow motion
Scientist taking out a purple liquid from a conical flask in a lab,tracking shot
Slowmo closeup of Caucasian male chemist in protective goggles and lab coat looking at purple liquid in glass flask
Medium slowmo of Biracial schoolboy in lab coat making chemical experiment by putting brown powder and transparent liquid into glass flask and having lab smoke from flask as reaction
Scientist adding a purple liquid to a flask to test chemicals in a lab.
Scientist adding a purple liquid to a flask to test chemicals in a lab.
Multiethnic man and woman in lab coats looking on flask with experimental liquid on yellow background. They are in eyeglasses and lab coats.