Keywords
14-15 years, 16-17 years, 2, adolescent, african, african american, african ethnicity, african-american, afro american, afro-american, atom, black, bliss, boy, buddy, caucasian, cheerful, chemical, chemistry, child, childhood, children, chum, class, classmate, close up, close-up, closeup, color, color image, colour, companion, companionship, comrade, confidence, confident, cooperation, delight, delighted, education, enjoyment, experimentation, experimenting, fellow, female, friend, friendship, front view, gaiety, gal, girl, glad, gleeful, gratifying, happy, head & shoulders, head and shoulders, human, human being, indoor, indoors, inside, instruction, jolly, joy, juvenile, kid, knowledge, lab, laboratory, lad, learning, lighthearted, liquid, looking at camera, male, merry, minor, mixed race person, molecular structure, molecule, multi-ethnic group, of african descent, pal, particle, people, person, photography, physics, pleasing, pleasure, portrait, portraiture, positive, pupil, rejoicing, relationship, research, researching, satisfaction, schoolmate, science, self-assured, smile, smiling, student, studying, teaching, teen, teenage, teenager, test tube, together, togetherness, tutoring, two, two people, vertical, western european, wet, young, youngster, youth, youthful, 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, bld051354