Verbaasd meisje in bril gieten vloeistof in kolf tijdens chemisch experiment in de buurt van glimlachende vriend - Stockfoto’s en -afbeeldingen

Serious girl in goggles pouring powder into flask near smiling friend in chemical lab

Tensed girl in goggles looking at smiling boy pouring liquid into flask while doing chemical experiment

Amazed girl in goggles looking at friend near flask with red liquid in chemical lab

Teacher and student scientists in protective glasses making experiment in lab

Children doing chemical research in laboratory. Dangerous experiment

Two schoolchildren in white gowns watching chemical experiment in lab

Education, science and children concept - kids with test tubes studying chemistry at school laboratory

Caucasian and Asian students having chemistry experiments in science laboratory

Scientist in goggles holding electronic pipette near african american colleague with clipboard and test tubes

Handsome scientist in latex gloves holding sample with coronavirus lettering

Side view of handsome scientist touching bottle with toxic sign and looking at clipboard

Selective focus of scientist in white coat holding clipboard and touching test tube

Young scientist in latex gloves and medical mask reaching test tubes near blurred microscope

Scientist in latex gloves and medical mask writing in notebook near test tubes and microscope

Ill african american scientist holing napkin near medical equipment and colleague

Tattooed scientist in latex gloves looking through microscope in laboratory

Side view of scientist in protective mask working near arabian colleague with pipette on blurred foreground