Keywords
14-15 years, beaker, blackboard, california, careful, childhood, classroom, color image, concentration, curiosity, education, equation, experiment, front view, gardena, holding, horizontal, imagination, indoors, knowledge, latin american and hispanic ethnicity, learning, one person, one teenage boy only, people, photography, pouring, safety glasses, science, science equipment, standing, studious, teenage boy, testing, waist up, stock image, images, royalty free photo, stock photos, stock photograph, stock photographs, picture, pictures, graphic, graphics, fine art prints, print, poster, posters, mural, wall murals, u30289062