Elèves souriants levant la main pendant les cours de chimie en classe - Photo & image de stock

Young beaming students. Curious children in protective glasses following their teacher during interactive experiment in school

Question about chemistry. Young scientists helping their teacher with reagents and test tubes being involved in process

Education, science and children concept - teacher and kids or students with test tubes studying chemistry at school laboratory

Interesting chemistry. Charming teenage girl holding a test tube with a chemical and taking some milliliters of another from a flask while conducting a chemical experiment with her classmate

Wait for reaction. Positive pretty girls standing next to each other and looking upwards while remembering the experiment

Non-professional researchers. Pleasant female teacher asking her schoolboy about experiment which they passing in school

Doctor in uniform and eyeglasses making injection in training pad near medical equipment and multiethnic students in white coats, emergency preparedness and skills development concept

Smiling teacher in protective goggles standing in front of pupils during chemistry lesson

Doctor waiting for female patient suffering from toothache in modern dental clinic

Group of happy kids holding hands in gym

Handsome young dentist showing tablet to female client

Dentists checking patient teeth in modern clinic

Tired teacher in blue blouse standing near table in classroom

Educator teaching kids counting and showing number with fingers in kindergarten, happy african american kid showing yes gesture