最高の説明。美しい若い女性教師テスト チューブに化学を追加し、彼女の生徒たちに注目しながら反応を示す - ストックフォト＆画像

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

Interesting experiment. A group of cheerful students being gathered around the table during their chemistry class and watching the reaction going on in the big flask

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

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

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

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

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

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

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

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

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

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.

Scientific club. Nice smart serious teenager holding flask and pouring chemical liquid while taking part in science club meeting

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