amplifier
analysis
analyzing
announcing
board
bullhorn
chemical
chemist
chemistry
crazy
discovery
doctor
education
examining
excited
experiment
flask
formula
funny
glass
glasses
happy
horn
humor
humorous
lab
laboratory
loudspeaker
mad
man
megaphone
microscope
nerd
pharmacology
presenting
professor
research
science
scientific
scientist
showing
solution
student
study
studying
test
tube
tubing
white
whiteboard