Diverse race schoolchildren wearing protective glasses holding test-tube during chemistry class
Diverse race schoolchildren wearing protective glasses holding test-tube during chemistry class
Diverse female teacher and schoolgirl wearing protective glasses with test-tube on chemistry class
Diverse male teacher and schoolchildren studying plant in test tube in school classroom
Waist up shot of multiethnic schoolchildren in lab coats and protective glasses conducting chemical experiments at Chemistry class. Biracial boy holding flask with water bubbling in it
Top view slowmo of diverse schoolchildren and their African American teacher wearing lab coats and protective glasses making chemical experiments in class watching at lab smoke in flask with liquid
Handheld shot of African American Science teacher showing lab experiment to schoolchildren in lab coats and protective glasses looking at glass tube with smoke
Girl wearing face mask and protective glasses using pipette and test tubes in laboratory
Girl wearing face mask and protective glasses holding test tubes with chemical at laboratory
Anonymous ecologist in protective suit holding glass test tube
African american female chemistry teacher with diverse schoolchildren at classroom, slow motion
Video of diverse schoolchildren sitting at desks raising hands in class