Pequeño científico desconcertado arañando la cabeza y mirando el líquido verde en el frasco mientras conduce el experimento químico durante la lección en el laboratorio - Foto e imagen de stock

Astonished little scientist in safety goggles looking at green liquid in flask while conducting chemical experiment in lab

Curious boy in protective glasses making experiment with colorful chemical in flask in laboratory

Amazed little scientist in goggles looking at camera and putting tube into flasks with colorful chemicals during chemistry lesson in school

Astonished little scientist in goggles examining blue fluid in flask while conducting chemical experiment in school laboratory

Cheerful girl with braided hair experimenting with colorful laboratory flasks

Funny kid in protective glasses carrying out scientific experiment with colorful liquids in test tubes and spiral wire in school laboratory

Curious little scientist in goggles mixing liquids in flask while sitting at table on blurred background of chemistry lab at school

Excited kid with open mouth folding arms on desk with colorful flasks and looking at camera while listening carefully during chemistry lesson in school laboratory

Soft focus of inventive girl in protective glasses making experiment with chemicals in flasks in lab and looking at camera

Concentrated little scientist in protective goggles working with liquid in flasks while sitting at table in chemistry laboratory