Professora sorridente e estudante olhando para frasco com reagente em laboratório químico - Banco de fotos e imagens

Smiling teacher and student looking at flask with reagent in chemical laboratory

Kids in protective glasses and lab coats making experiment in chemical laboratory

Little girl wearing lab coat and protective glasses holding flask with green reagent

Teacher and student scientists in protective glasses making experiment in lab

Interesting experiment. Selective focus of glass transparent bulbs hold by little girl who staring at them and dressing in lab coat

Teacher and student in white coats making experiment in laboratory

Education, science, chemistry and children concept - kids or students with test tube making experiment at school laboratory

Professional scientist in protective eyeglasses making experiment with reagents in test tubes

Smiling middle aged scientist in protective eyewear working with microscope and colleague standing behind

Smiling chemist in protective eyeglasses holding test tube with reagent in lab

Smiling chemist in white coat holding test tubes with reagents and making experiment

Professional chemists in uniform working in lab with computer mouse and keyboard

Professional scientist in protective eyeglasses making experiment with reagents in test tubes

Attractive middle aged scientist working with microscope in chemical lab

Smiling mature scientists working together with computer mouse and keyboard in lab

Portrait of smiling scientist using microscope while working with reagents in lab

Smiling bearded scientist looking at colleague working with microscope