Élève émotionnelle contre tableau noir avec des formules de chimie écrites. Espace pour le texte - Photo & image de stock

Emotional pupil against blackboard with written chemistry formulas. Space for text

Emotional pupil against blackboard with written chemistry formulas. Space for text

Emotional child in laboratory after explosion. Dangerous experiment

Schoolboy with test tubes against blackboard with written chemistry formulas

Schoolboy writing chemistry formula on glass board against color background. Space for text

Little boy scientist in the laboratory. Educational concept.

Little scientist in white coat and protective eyeglasses holding clipboard and smiling at camera, science student concept

Happy enthusiastic Chemist boy with chemical test tubes and microscope. Isolated on a white background

Young boy watching a chemical reaction standing wearing safety goggles and a lab coat and holding up a glass test tube

Emotional child in laboratory after explosion. Dangerous experiment

Little school child in laboratory uniform with graduate cap and chemical formulas on grey background

Schoolboy holding flask and notebooks near chalkboard with chemical formulas

Schoolboy holding flask near chalkboard with chemical formulas

Schoolgirl holding flask and notebooks near chalkboard with chemical formulas

Schoolboy holding flask and notebooks near chalkboard with chemical formulas

Little school child in laboratory uniform with graduate cap and chemical formulas on grey background

Little school child in laboratory uniform with graduate cap and chemical formulas on grey background