Mladá zářil studentů. Zvědavé děti v ochranné brýle po jejich učitel během interaktivní experimentu ve škole - Stock fotografie a obrázky

International people. Amazing brunette female raising her right hand while showing test tube with liquid

Waiting for reaction. Surprised teacher showing her students results of research while they attentively looking

This one. Upbeat chemistry teacher sitting in between her students and showing them a test tube with a necessary chemical agent while they preparing for an experiment

Question about chemistry. Young scientists helping their teacher with reagents and test tubes being involved in process

Attentive teacher. Teacher and her young group sitting by round table against special chemical equipment

Experiment under supervision. Smiling African American being proud of his work during experiment and showing results in glass bulb

Interesting chemistry. Charming teenage girl holding a test tube with a chemical and taking some milliliters of another from a flask while conducting a chemical experiment with her classmate

Experimenting with pleasure. Upbeat young chemistry teacher using a pipette and adding some chemical to a test tube while showing her students a chemical reaction

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

Chemical reaction. Nice experienced intelligent scientist holding a chemical reagent and holding a flask while trying to show an experiment

Getting smarter every lesson. Curious schoolgirls both wearing plaid shirts having fun time while participating in an exciting scientific experiment held by a young male teacher of chemistry.

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

Magic moments. Delighted teenagers standing behind their teacher and keeping smile on faces while looking at white smoke

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

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

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