Close-up retrato de bonito sorrindo estudante em jaleco de laboratório olhando para câmera, conceito de escola de ciências - Banco de fotos e imagens

School boy showing super with hands holding big fingers up during chemistry experiment in elementary science class. Clever pupil kid in lab

Happy enthusiastic Chemist boy with microscope. Isolated on a white background

Small child painting with gouache. Portrait of boy hold brush and paint on white paper. on white background.

Depressed doctor looking at swab sample, coronavirus tests

Kid from primary school. Lab microscope and testing tubes. First grade. Back to school and happy time Kid is learning in class on background of blackboard.

Little boy scientist in the laboratory with microscope. Educational concept.

Chemistry The Science Classroom. Lesson Plans - Middle School Chemistry. schoolchild. Happy smiling pupil drawing at the desk. It was a little chemistry experiment. Experiment.

Portrait of smiling little boy with sticky notes on face standing against grey wall

Elevated view of girl with magnifying glass lying on chalkboard with friend near by

Portrait of smiling kids holding cards with light bulbs and looking at camera

Portrait of smiling little girl with empty sticky notes on face isolated on grey

Portrait of smiling kids sitting under pile of papers at workplace

Portrait of children holding sticky notes in hands isolated on grey

Portrait of pensive little boy in eyeglasses sitting at workplace isolated on grey

Portrait of smiling little girl with empty sticky notes on face isolated on grey