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We are the winners. Good looking happy nice girls smiling and holding the certificate while winning the scientific competition

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

Happy adult scientists and little girl student working together in chemical lab and smiling at camera

Smiling teacher in white coat and protective goggles embracing pupils during chemistry lesson

Interesting lesson. Cheerful positive cute children standing around the teacher and being involved in the lesson while enjoying chemistry experiments

Smiling teacher in white coat and protective goggles embracing pupils during chemistry lesson

Portrait of smiling scientists working with microscope slide in lab

Chemical experiments. Happy beautiful chemistry teacher being surrounded by children and putting something to a flask while conducting a chemical experiment

Very serious scientific research. A team of two little scientists working in the school laboratory while a curly haired boy mixing two liquids in a vacuum flask his mate standing next to him writing

Chemical reaction. Pleased kid feeling happiness while spending time with interest in school

Developing brains. Positive cheerful cute boys conducting experiment and smiling while taking pleasure in his science lesson

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

Wearing protective glasses. Attentive teacher looking on her student with weird face expression warning him of caution

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

Curious little scientist. Pleasant teenage boy conducting an experiment in the lab and looking at a big chemical flask in his hands, observing the ongoing reaction in it

Interesting experiment. Joyful teenage boy adding green chemical to the flask with a pipette and smiling while his experiment partner looking at him with curiosity