Keywords
16-17 years, amazement, anxiety, astonishment, atom, awe, bewildering, boy, brown hair, brunette, caucasian, challenge, challenging, chemistry, child, class, classroom, close up, close-up, closeup, color, color image, colour, complexity, concept, confusing, confusion, copy space, curiosity, curious, demanding, doubtful, dubious, education, examining, front view, head & shoulders, head and shoulders, high school, high-school, highschool, holding, horizontal, indecisive, indoor, indoors, information, inside, inspecting, inspection, instructing, instruction, intelligence, interest, juvenile, kid, knowledge, learning, lesson, looking down, marveling, minor, model, molecule, muddling, negative space, one, one person, particle, people, person, photography, portrait, portraiture, pressure, pupil, school, schoolroom, science, scientific, scrutinizing, scrutiny, strain, strained, stress, stressful, student, studying, teaching, teen, teenage, teenage boy, teenage boys, teenager, tense, tension, tuition, tutoring, uncertain, undecided, uneasy, uptight, western european, white space, wisdom, wonder, young, 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, blm015882