Violence (R): Lots of gruesome killings and death, not something you want your kids to see.
Sexual Content(G): Ian Malcolm talks about marriage, Alan talks about him and Ellie "doing it" together.
Language (PG): Mild curses, such as hell.
Drugs/Tobacco/Alchohol (PG): Samuel L Jackson's character smokes a cigerrete the entire movie.
What other families should know
Too much violence
Too much sex
Too much swearing
Too much drinking/drugs/smoking