Seid aufmerksam. Positive Wissenschaftlerin lächelt bei Probenentnahme aus Reagenzglas - Stockfoto & -bild

Look here. Pleased brunette female taking sample while demonstrating her actions

So exciting. Cheerful girl wearing protective glasses while doing chemical experiment

Just attention. Group of kids being well equipped while visiting practical lesson

Busy with work. A group of teenage students and their young female teacher mixing chemicals and discussing their common experiment, being busy

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

Student during experiment. Dark-haired teacher dropping liquid in test tube while whole group waiting for reaction

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

Young group. Shocked female teacher being afraid of negligence of her student during experiment in class

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

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

Can you see the reaction. Amazed up and coming chemists looking at a chemical reaction in a fuming filter flask held by a teacher of chemistry wearing a laboratory coat.

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

Need to wait to see the reaction. Two smiling schoolgirls watching their teacher showing a laboratory flask with a chemical liquid while performing an experiment during a practical lesson.

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