Ευτυχισμένα παιδιά σπουδάζουν επιστήμη σε φόντο - Φωτογραφίες & Εικόνες Αρχείου

Project testing experiment youngster liquid boy filtering

Children doing chemical experiment with glass tubes

Project, testing, pouring.

Boy and girl doing chemical experiment. pouring liquid into beaker

Young school kids doing a chemistry experiment with the little boy holding the flask steady while the little girl pours over a colorful liquid

Happy children studying science on background

Little classmates in safety goggles smiling and looking at camera while sitting at table with flasks with colorful liquids during chemistry lesson at school

Science for children. Delighted pretty nice girls smiling and enjoying their chemistry lesson while visiting a science laboratory

Medical microscope and books on table

Desk september accessories apple back background book

Child doctor pediatrician playing physical injury hospital illness

Pile of books, flasks with reagents, chemical equipment test and experiment, chemistry education

School supplies on a table

Glass laboratory flasks on light background

Scientist young man with colored liquid in laboratory