16 to 17 years
1617 years
18 to 19 years
1819 years
boy
boys
chemistry
classmate
closeup
concentration
contemporary culture
differential focus
disciplines
education
experiment
female
friendship
girls
head and shoulders
high school
high school student
incidental people
indoors
laboratory
late teens
learning
looking down
male
microscope
mixed race ethnicity
mixed race person
natural science
november 2015 release
numeral
one person
people in the background
physical science
relationship
research facility
school
school child
school uniform
science
selective focus
student
teenage boy
teenage boys
teenage girl
teenage girls
teenager
thinking
togetherness
uniform
use
wearing
young adult
youth culture