Μάθημα επιστήμης. Ευφυή έξυπνη σοβαρές αγόρια στέκεται στην τάξη και να διεξάγουν ένα πείραμα ενώ κάνει τους επιστημονικό έργο - Φωτογραφίες & Εικόνες Αρχείου

Real scientists in action. Young up and coming researches using a chemistry set and mixing liquids while working on a scientific research in the school laboratory.

Make description. Attentive boy holding folder in left hand and turning head to his colleague while looking at the process

Science lesson. Intelligent smart serious boys standing in the classroom and conducting an experiment while doing their scientific project

School boys with teacher in chemistry class

Science lesson. Intelligent smart serious boys standing in the classroom and conducting an experiment while doing their scientific project

Chemistry lovers. Curious smart delighted boys holding flax and mixing some chemical reagents while taking part in the experiment

Controlling the experiment. Nice experienced male teacher standing in the classroom and controlling the experiment while having a chemistry lesson

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

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

Good day. Positive delighted girl closing her eyes and keeping smile on her face while raising left hand

Do it by yourself. Pretty brunette keeping smile on face and raising hands while visiting lessons of chemistry

Under supervision. Charming teenage girl watching her friend pour chemical into the flask and smiling while they having a chemistry class in the lab

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

Involved in the activity. Nice smart thoughtful girls standing around chemical reagents and working with them while being in the laboratory

Correct reaction. Charming teenage schoolgirls holding chemical flasks and checking the correctness of chemical reaction taking place in them