17 years old
30s
african american
black
boy
caucasian
chemistry
class
classroom
education
experiment
female
girl
group
happy
high school
hispanic
horizontal
indoors
lab
laboratory
lesson
male
multicultural group
multiethnic group
occupation
people
person
physics
pupil
safety goggles
school
science
six people
smiling
standing
student
teacher
teaching
teen
teenage
teenager
thirties
tutor
whiteboard
woman
women