Interessante Lektion. fröhlich positive niedliche Kinder, die um den Lehrer herum stehen und beim Experimentieren mit Chemie in den Unterricht einbezogen werden - Stockfoto & -bild

Scientific discovery. Positive smart nice boy using flask with chemical liquid and conducting an experiment while being supported by his friends

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

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

Being interested. Positive cute smart girls looking at the flask and smiling while attending scientific club meetings

Team work. Happy positive delighted children standing around the table and carrying out a chemical experiment while being enthusiastic about science

Team of four kids, black and white, boys and girls experimenting on chemistry lesson with test tubes, liquids and flasks, isolated on white

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

Wonders of chemistry. Charming chemistry teacher pouring blue chemical into a green one and smiling while her student being excited about the reaction

This one. Upbeat chemistry teacher sitting in between her students and showing them a test tube with a necessary chemical agent while they preparing for an experiment

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

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

Perfect ambience. Cheerful teenage girl and her chemistry teacher sitting at the table in the lab and smiling pleasantly while watching a chemical reaction in the flask

Experiment under supervision. Smiling African American being proud of his work during experiment and showing results in glass bulb

Helpful device. Cute pretty teenage girl squatting near the table in the chemical laboratory and checking for sediment in the flask with the help of a magnifying glass