Guardi qui. Piacevole bruna femmina prendendo campione mentre dimostra le sue azioni - Foto e immagini stock

Helping with pleasure. Charming young chemistry teacher adding chemical to a test tube while helping a group of her students with an experiment

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

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

Be attentive. Positive delighted scientist keeping smile on her face while taking sample from test tube

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

Be careful. Pleasant chemistry teacher looking at her students with a worried expression while they mixing chemicals in a wrong way

Best teacher. Pleasant young chemistry teacher holding a big flask and commenting about an ongoing reaction in it while her students listening to her attentively

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

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

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

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

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

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

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

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