In any list, put commas between the items but “and” between the last two items, generally without a comma, e.g. I saw the boy and the girl together. I went to the shop to buy butter, meat, bread, jam and tomato sauce.
A list of any sort should be introduced with an appropriate sentence or phrase. Each item of the list should follow on logically and grammatically from the introductory phrase or sentence, e.g.
Other suggestions are:
- little mathematical content,
- a focus on learning scientific principles, and
- optional topics to be included such as the Chemistry of Art.
