Lecture experiments demand more time, require higher technical skill, and afford greater pupil interest than any other phase of chemistry teaching. As a corollary, we may add that they are most neglected, but if you name the teachers who are noted for their interesting, instructive, and skillful classroom demonstrations, you are calling the roll of chemistry teachers of the first rank.
©1930 by Iowa State Teachers College
Getchell, R. W.
"Chemical Lecture Experiments,"
Science Bulletin: Vol. 2:
9, Article 4.
Available at: https://scholarworks.uni.edu/science_bulletin/vol2/iss9/4