Expérimentateur enthousiaste. La vue de dessus d'un adolescent optimiste agréable dans des lunettes de sécurité souriant à la caméra tout en tenant deux flacons chimiques avec des liquides rouges et bleus - Photo & image de stock

Proud with result. Handsome teenage boy in safety glasses holding a big flask with a chemical reaction going on inside it and posing for the camera, puffing his chest with pride

Proper result. Upbeat teenage male student in safety glasses holding a big chemical flask with a reaction going on in it and smiling, being pleased about the result

Exchanging ideas. Two cheerful teenage boys having a chemistry class in the lab and discussing the chemical reaction going on in the flask in one of the boys hands

Curious little scientist. Pleasant teenage boy conducting an experiment in the lab and looking at a big chemical flask in his hands, observing the ongoing reaction in it

Cute little boy in lab coat holding test tube with reagent and smiling at camera

Chemistry laboratory. Conducting a chemical experiment. Experiments in the laboratory. Flasks and test tubes with colored liquid. The child conducts an experiment in a chemical laboratory. Fun Science

Girls and boy providing experiment with liquids. Group school pupils with test tubes study chemical liquids. Science concept.

Wonderful chemistry. Upbeat teenage students in safety goggles observing the chemical reaction in a flask and looking at it with a surprised expression

Getting interested. Pretty cute curious girl standing near the table and looking at the scientists hand while being interested in science

Magic of science. Professional smart male scientist holding a chemical flask and showing a chemical reaction while having a scientific workshop

Modern laboratory. Smart serious positive boys having a science lesson and using chemistry equipment while being in lab

Favorite science. The close up of an upbeat teenage student and his young chemistry teacher watching the chemicals reacting in the flasks during the class in the lab

Experimenting with chemicals. Selective focus of a transparent chemical flask with yellow liquid being held by a nice curious boy while experimenting

Involved in the activity. Nice smart thoughtful girls standing around chemical reagents and working with them while being in the laboratory

Practical lesson. Kind blonde boy keeping smile on his face while looking at test tubes with reagents

Smart ideas. The close up of a pleasant upbeat chemistry teacher and her student discussing the chemical reaction while watching it going on in the flask standing on the table