Překvapený student se zabývá reakcí činidel, detail - Stock fotografie a obrázky

Image of little scientist watching experiment in studio

Image of thoughtful student conducting experiment in laboratory

Adorable smart boy doing experiment in studio, close-up

Young girl making science experiments in laboratory. education

Girl in safety glasses at home doing experiments with chemicals. school experiments at home.

Girl in safety glasses at home doing experiments with chemicals. school experiments at home.

NEW YORK - OCTOBER 26: attending the PDN PhotoPlus Expo is the largest photography show in North America, was held at the Jacob K Javits Convention Center on New York

NEW YORK - OCTOBER 26: attending the PDN PhotoPlus Expo is the largest photography show in North America, was held at the Jacob K Javits Convention Center on New York

Curious pupil posing with test tubes and flasks, close-up

Image of curious scientist experimenting in laboratory

Cute school boy posing with fake mustache in laboratory

Attentive schoolgirl conducting experiment, isolated on white

Studio shot of startled little girl in laboratory, close-up

Adorable little boy watching reaction of reagent, close-up

Adorable girl doing experiment, isolated on white background

Image of curly girl shows science experiment in studio