academic
analyzing
biochemistry
blackboard
board
boy
chemical
chemist
chemistry
class
classroom
discussing
education
equation
experiment
experimenting
explaining
formulas
giving
help
helping
kid
laboratory
learning
lecture
lecturer
lesson
man
mentor
mentoring
personal
private
pupil
research
school
schoolboy
science
scientific
scientist
secondary
student
study
studying
teacher
teaching
thumb
thumbs
tutor
tutoring
up