Μία μαθήτρια Καυκάσιος έκχυση κόκκινο υγρό αντιδρών από ογκομετρική γυαλί στη μεγάλη φιάλη - Φωτογραφίες & Εικόνες Αρχείου

One Caucasian schoolgirl pouring red liquid reactant from volumetric glass to the big flask at the laboratory desk

Happy little girl with flasks for chemistry isolated on a white background

Girl mixes chemicals in a flask , isolated on white

Happy little girl with flasks for chemistry isolated on a white background

One pretty Caucasian schoolgirl in safe eyewear mixing blue and yellow reactants in flask at the laboratory

Girl making chemical experiments, isolated on white

One young Caucasian schoolgirl in safe eyewear studying chemistry at the desk in laboratory

Young Caucasian schoolgirl mixing blue and yellow reactants in flask at the laboratory isolated on white

Kids experimenting with chemistry in the school chemistry laboratory class

Kids experimenting with chemistry in the school chemistry laboratory class

Diversity team black teen boy and blond Caucasian girl in the school chemistry class, isolated on white

Young boy in safety goggles holding flask with blue reagent at the chemical laboratory

Diversity team black teen boy and blond Caucasian girl in the school chemistry class, isolated on white

Two girls blond and brunet and black boy, with microscope, test tubes and flasks conducting experiments, isolated on white

Two girls blond and brunet and black boy, with microscope, test tubes and flasks conducting experiments, isolated on white

Two girls in chemistry lab class with test tubes and flasks conducting experiments, isolated on white