Stock photography, photos: 7th grade science Stock photos of Education Black and Caucasian students in 7th grade science class Photograph: © Bill Bachmann Click for a larger image and more information Keywords associated with this stock photo: boy, girl, together, African-American, Negro, black, Caucasian, white, students, study, examine, school, middle school, 7th grade, seventh grade, science, chemistry, lab, laboratory, test tube, pour, flask, glass, beaker, microscope, pink, red, learn, learning, 7th grade, science class, ethnic divesity,ethnically diverse