Συνεχή επίβλεψη. Όμορφη ευφυής δάσκαλος ωραίο κοιτάζοντας τους μαθητές της και λήψη σημειώσεων ενώ έχοντας ένα μάθημα Χημείας - Φωτογραφίες & Εικόνες Αρχείου

During the experiment. Nice serious clever boy holding notes and reading them while having a chemistry lesson

Involved in the process. Smart clever positive child looking at the flask and working with chemical reagents while being supported by his friends

Having fun. Delighted curious positive children standing around the table and mixing chemical reagents while conducting an experiment

Having fun. Delighted curious positive children standing around the table and mixing chemical reagents while conducting an experiment

Maybe it was the wrong decision. Frightened little chemists and their teacher worrying about their dubious idea of mixing different liquids in a round bottomed flask

Scientific research. Nice cheerful attractive woman holding a chemical flask and smiling while wearing a white coat

Scientific research. Nice cheerful attractive woman holding a chemical flask and smiling while wearing a white coat

What will happen. Positive delighted nice boys standing in front of the table and putting some chemical reagents to a retort while conducting an experiment

Fascinated by the experiment. Delighted positive cute girls smiling and being surrounded by chemical smile while watching the chemical experiment

Chemical reaction. Selective focus of a chemical flask filled with liquid and being held by a professional mala scientist while conducting the experiment

Clean. Attentive classmates gathering plastic rubbish while being in a classroom

Big bottle. Beautiful little female person standing near workplace in the laboratory while keeping smile on her face and demonstrating her project

Seeking for appraisal. Adorable teenage girl holding a flask with a red substance and showing it to the leader of their research group during the class

Are those even real concept. Determined inspired children getting emotional about biology while using special tool

Fascinated by the experiment. Delighted positive cute girls smiling and being surrounded by chemical smile while watching the chemical experiment

Role model. Cheerful teenage boy in safety goggles watching her classmate mix chemicals in a test tube and emulating her actions