Tenhle. Optimistická chemie učitel sedí mezi své studenty a ukazuje jim zkumavky s nezbytnou činitelem při jejich přípravě pro experiment - Stock fotografie a obrázky

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

International people. Amazing brunette female raising her right hand while showing test tube with liquid

Smart pupils making experiment in chemistry class

Smart pupils making experiment in chemistry class

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

Chemical reaction. Nice experienced intelligent scientist holding a chemical reagent and holding a flask while trying to show an experiment

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

Dangerous chemicals. Intelligent nice bearded man wearing a glove and holding a dangerous chemical reagent while showing it to other children

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

Involved in the activity. Nice smart thoughtful girls standing around chemical reagents and working with them while being in the laboratory

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

Experimenting with chemicals. Selective focus of a transparent chemical flask with yellow liquid being held by a nice curious boy while experimenting