Hrdý s výsledkem. Hezký dospívající chlapec v ochranné brýle drží Velká baňka s chemickou reakcí děje uvnitř a pózuje pro kameru, funí hruď pýchou - Stock fotografie a obrázky

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

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

Chemistry lovers. Upbeat teenage female students pouring chemical into the flask and smiling while carrying out an experiment in the school laboratory during chemistry class

Experimenting with chemicals. Two upbeat teenage friends using pipette and adding some chemical agents to the flask and test tubes while having the chemistry class in the lab

Important help. Charming young female teacher giving a chemical agent to her student while he holding a flask with a substance and asking her for advice

Cheerful communication. Positive delighted brunette woman keeping smile on her face while looking at chemical reaction

Everything goes well. Beautiful young chemistry teacher and her upbeat male student watching a chemical reaction and smiling, being satisfied with the reaction

Dangerous chemicals. Intelligent nice bearded man wearing a glove and holding a dangerous chemical reagent while showing it to other children

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

Science is interesting. Delighted positive pretty girls looking at the chemical reagent and smiling while enjoying their time in the chemical lab

Wonders of chemistry. Confident professional male scientist holding chemical flasks and showing an experiment while interacting with kids

Interesting chemistry. Serious thoughtful bearded man holding a chemical flask and looking at the liquid in it while showing the children an experiment

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

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

Experiments with chemical liquids. Happy delighted curious kids experimenting with liquids and doing a scientific research while enjoying the activity