What are some of the formalities of academic writing such as a lab report, an abstract of an article, a book review, an argument, a narrative, or a proof of a theorem? Are those formalities rhetorical...

What are some of the formalities of academic writing such as a lab report, an abstract of an article, a book review, an argument, a narrative, or a proof of a theorem? Are those formalities rhetorical or grammatical, or both? Must students simply learn them by noticing examples and models?