Σχολείο αγόρια με δάσκαλο σε Χημείας class - Φωτογραφίες & Εικόνες Αρχείου

School boys with teacher in chemistry class

School boys with teacher on chemistry class

School boys with teacher on chemistry class

Teacher helps kid to conduct experiment with microscope

Teacher helps kid to conduct experiment with microscope

The boy with a microscope and various colorful flasks on a white background. A boy doing experiments in the laboratory. Explosion in the laboratory. Science and education.

Teacher helps kid to conduct experiment with microscope in school lab

Focused little girl in white robe filling a pipette, next to her boy picks a dish with red chemical liquid. Doing a home science project behind the table.

Student and teacher on biology training course

Students in biology attending training with microbiologist

Student and teacher in biology training course

Students in biology attending training with microbiologist

Student and teacher on biology training course

Student and teacher in biology training course

Young woman looking through microscope lense

Student in technology fixing computer processing