Químicos peligrosos. Inteligente hombre barbudo agradable usando un guante y sosteniendo un reactivo químico peligroso mientras se lo muestra a otros niños - Foto e imagen de stock

Wonders of chemistry. Confident professional male scientist holding chemical flasks and showing an experiment while interacting with kids

Interesting chemistry. Serious thoughtful bearded man holding a chemical flask and looking at the liquid in it while showing the children an experiment

Getting interested. Pretty cute curious girl standing near the table and looking at the scientists hand while being interested in science

Four kids wearing protective glasses in science laboratory

Constant supervision. Beautiful intelligent nice teacher looking at her students and taking notes while having a chemistry lesson

Helping with an experiment. Nice cute delighted girl holding a bottle and looking at the liquid in it while helping with an experiment

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

Useful tool. Cheerful handsome teenage male student using a magnifying glass and studying a chemical reaction going on in the flask

Important help. Charming young female teacher giving a chemical agent to her student while he holding a flask with a substance and asking her for advice

Thorough examination. Upbeat teenage girl examining a green substance in the flask with the magnifying glass while her classmate watching her do so with a smile

Be careful. Pleasant chemistry teacher looking at her students with a worried expression while they mixing chemicals in a wrong way

Examining thoroughly. Joyful teenage boy examining a chemical substance in the flask with a magnifying glass while his classmate holding that flask for him

Proud with result. Handsome teenage boy in safety glasses holding a big flask with a chemical reaction going on inside it and posing for the camera, puffing his chest with pride

Exchanging ideas. Two cheerful teenage boys having a chemistry class in the lab and discussing the chemical reaction going on in the flask in one of the boys hands

Favorite science. The close up of an upbeat teenage student and his young chemistry teacher watching the chemicals reacting in the flasks during the class in the lab