Yay we did it. Female teacher wearing a laboratory coat mixing chemical liquids in a vacuum flask while her emotional pupils standing next to her watching the results of a chemical reaction. - Stock Photo & Image

Magic moments. Delighted teenagers standing behind their teacher and keeping smile on faces while looking at white smoke

So much fume. Selective focus of a chemical flask filled with fuming liquid being in hand of a professional nice female scientist while working with children

Fascinating chemical reaction. Cheerful teenage female students squatting near the table and watching the smoke coming out of a chemical flask with awed expressions

Enter into a reaction. Silhouettes of two girls that standing in semi position and keeping smile on faces while looking upwards

It is experiment. Funny girl keeping smile on her face and looking at artificial smoke while standing near her friends

Science is fun. Happy boys and a girls smiling while taking part in a practical session held by their chemistry teacher in the school laboratory.

Miraculous chemistry. Three upbeat teenage students being gathered around the table and watching the chemical substance reacting in chemical flask

Excited to learn something new. Full of energy children grinning widely while participating in the scientific research held by a chemistry teacher in the school laboratory.

Nice result. Upbeat teenage girl examining the result of a chemical reaction in the flask with the help of a magnifying glass and smiling contently, being pleased with result

Worried for result. Cute pleasant teenage female student observing chemical reaction through the magnifying glass and looking slightly worried for its result

Streaming test tubes. Watchful teacher and her curious ward intently examining reactions in glass colored tubes

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

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

Smart ideas. The close up of a pleasant upbeat chemistry teacher and her student discussing the chemical reaction while watching it going on in the flask standing on the table

Pleasant female teacher. Dark-haired teacher sitting with young boy nearby observing smoke from reagent in test tube

Waiting for reaction. Surprised teacher showing her students results of research while they attentively looking