Handheld shot of male chemist in protective gear holding up flask with vapor coming out of it and observing chemical reaction
Tracking shot of group of three chemists working in laboratory and studying chemical reactions, one adding drops of liquid to plant specimen and studying it with microscope
Tracking shot of male medical scientist or chemist in full protective gear dropping unknown chemicals into flask and observing reaction while conducting research in laboratory
Waist up of Chemistry students studying chemical reactions while conducting experiments in school lab
Laboratory studies with medicines. Stock footage. Test tubes with chemical elements with the observation of scientists and various reactions
Laboratory studies with medicines. Stock footage. Test tubes with chemical elements with the observation of scientists and various reactions
Scientist pours the liquid nitrogen on the balloon - show of chemical reactions
Laboratory assistant scientist laboratory tests chemicals for reactions in flask
Chemical Laboratory: Young Scientist Conducts Experiments with Various Reactions
Male scientist in protective suit combining chemicals in test tube and watching reaction
Male scientist in protective suit combining chemicals in test tube and watching reaction
Chemist or medical research scientist adds chemicals to a flask for a violent chemical reaction