Μαθητρια, κρατώντας το Φλασκί με χημική δείγμα ενώ κάθεται στο εργαστήριο - Φωτογραφίες & Εικόνες Αρχείου

Little girl wearing lab coat and protective glasses holding flask with green reagent

Little girl wearing lab coat and protective glasses holding flask with blue reagent

Little girl in white coat sitting on table and holding clipboard in science laboratory

Schoolgirl in white coat making experiment with reagents in science laboratory

Little girl wearing lab coat and protective glasses holding flask with green reagent

Enjoying my school curriculum. Capable cheerful skilled girl standing in the laboratory and enjoying chemistry lesson while taking part in the science project and exploring the bulb

Little boy wearing lab coat making notes in clipboard in science laboratory

Curly schoolboy in protective goggles looking at flasks and tubes

Curly schoolboy in protective goggles looking at flasks and tubes

Rear view of little boy wearing lab coat in science laboratory

Schoolgirl in protective goggles holding flask with chemical sample near chalkboard

Little boy wearing lab coat in science laboratory

Schoolgirl in protective goggles holding flask with chemical sample

Little girl in white coat and eyeglasses sitting on table in science laboratory

Little girl wearing lab coat and protective glasses holding flask with green reagent