Preteen schooljongen in laboratoriumjas kijken naar monster in een reageerbuis - Stockfoto’s en -afbeeldingen

Preteen schoolboy in lab coat looking at sample in test tube

Schoolboy in lab coat holding magnifying glass and looking at sample in tube

Education, science and children concept - kids studying chemistry at school laboratory and writing to workbooks

Preteen schoolboy in lab coat looking at sample in test tube

Education, science, chemistry and children concept - kids or students with test tube making experiment at school laboratory

Four kids wearing protective glasses in science laboratory

Using microscope. Children in white coats plays a scientists in lab by using equipment.

Schoolchildren in lab coats studying in chemical laboratory

Schoolboy in lab coat using microscope and making notes

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

Schoolboy in white lab coat taking notes during scientific experiment

Curly schoolboy in protective goggles looking at flasks and tubes

Schoolgirl in protective goggles looking at test tubes in lab

Schoolboy in white lab coat taking notes during scientific experiment

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

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

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

Curly schoolboy studying with tubes in chemical laboratory