Chemistry was the science of changes in matter.

Grammar schools, in 20th century Great Britain, taught science as three separate courses: chemistry, physics and biology. In contrast, secondary modern schools taught science "all lumped together" in one course. (PROSE: Time and Relative)

Ian Chesterton taught chemistry as part of his science course at Coal Hill School, (PROSE: Time and Relative, Nothing at the End of the Lane) although his lessons were too simple for his student Susan Foreman. (TV: "An Unearthly Child")

Ace liked chemistry, especially the creation of explosives. (TV: Dragonfire) Vicki Pallister studied chemistry at the age of ten for an hour a week using a machine. (TV: The Web Planet) Cedric Mathews used his skill at chemistry to create a formula which enhanced aggression. (COMIC: The Arkwood Experiments) Winifred Gillyflower was a prize-winning chemist. (TV: The Crimson Horror) The First Rani mastered this science. (TV: The Mark of the Rani)