academic
blackboard
board
book
boy
chemical
chemist
chemistry
class
classroom
college
discussing
education
explaining
flask
fluid
glass
help
helping
individual
learn
learning
lecture
lecturer
lesson
liquid
looking
loupe
magnifier
magnifying
man
mentor
mentoring
personal
private
pupil
reading
school
schoolboy
science
secondary
student
study
studying
substance
teacher
teaching
training
tutor
tutoring