Meisje tijdens wetenschappelijk chemisch experiment maakt notities dicht bij tafel met buizen. Schoolmeisje met chemische apparatuur op school - Stockfoto’s en -afbeeldingen

Girl during scientific chemistry experiment making notes close to table with tubes. Schoolgirl with chemical equipment on school lesson

Girl during scientific chemistry experiment making notes close to table with tubes. Schoolgirl with chemical equipment on school lesson

Girl during scientific chemistry experiment making notes close to table with tubes. Schoolgirl with chemical equipment on school lesson

Girl during scientific chemistry experiment making notes close to table with tubes. Schoolgirl with chemical equipment on school lesson

Smart girl during scientific chemistry experiment wearing protection glasses making notes. Schoolgirl with chemical equipment on school lesson

Girl during scientific chemistry experiment making notes close to table with tubes. Schoolgirl with chemical equipment on school lesson

Smart girl during scientific chemistry experiment wearing protection glasses making notes. Schoolgirl with chemical equipment on school lesson

Education, science and children concept - girl studying chemistry at school laboratory and writing to workbook

School boy wearing protection glasses doing chemistry experiment in elementary science class. Pupil with equipment tubes in lab

School boy wearing protection glasses doing chemistry experiment in elementary science class. Pupil with equipment tubes in lab during test

School boy wearing protection glasses doing chemistry experiment in elementary science class and mix components. Clever pupil with dirty face in lab during test

School boy doing chemistry experiment measuring chemical liquids in elementary science class. Clever pupil analyzing results of test in lab

School boy doing chemistry experiment measuring chemical liquids in elementary science class. Clever pupil analyzing results of test in lab

School boy wearing protection glasses doing chemistry experiment in elementary science class. Pupil with equipment tubes in lab

School boy wearing protection glasses doing chemistry experiment in elementary science class. Pupil with equipment tubes in lab

School boy wearing protection glasses with dirty face doing chemistry experiment in elementary science class and measuring components with spoon. Clever pupil in lab