Menino em óculos segurando caixa com tubos de ensaio - Banco de fotos e imagens

Little boy in eyeglasses holding box with test tubes

Little boy adjusting empty test tubes in science laboratory

Schoolchildren in lab coats studying together in chemical laboratory

Education, science and school concept - kids or students with plant at biology class

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

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

Schoolchildren in lab coats making experiment with test tubes in chemical laboratory

Blurred little girl doing home science project, filling a pipette with liquid from the flask. Behind a table.

Preteen schoolboy in lab coat looking at sample in test tube

Schoolboy in white lab coat taking notes during scientific experiment

Curly schoolboy studying with tubes 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

Schoolgirl in protective goggles looking at test tubes in lab

Schoolgirl in protective goggles looking at test tubes in lab

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

Curly schoolboy in protective goggles looking at flasks and tubes

Curly schoolboy in protective goggles looking at flasks and tubes

Little boy in lab coat looking through microscope

Close up view of bottle with reagent and clipboard