REMEMBER REMEMBER

12 common mnemonics:

1 Every Good Boy Deserves Favour / Fun (lines on a treble clef; the spaces are remembered as FACE)
2 She Makes Harry Eat Onions (for remembering the Great Lakes in order)
3 Tall Girls Can Flirt And Other Queer Things Can Do (Moh's scale of hardness of minerals from talcum to diamond)
4 Mites grow up, Tights come down (difference between stalagmites and stalactites)
5 Spring Forward Fall Back (clocks change by one hour at beginning and end of summertime)
6 My Very Easy Method - Just Set Up Nine Planets (nine planets in order from the Sun)
7 Lucky Cows Drink Milk (larger Roman numerals in ascending order)
8 Richard of York Gave Battle In Vain (colours of a rainbow in order)
9 The Old Arab - Carries A Heavy - Sack Of Hay (for remembering trigonometry equations)
10 Divorced Beheaded Died Divorced Beheaded Survived (six wives of Henry VIII)
11 Kings Play Cards On Fat Girls' Stomachs (kingdom, phylum, class, order, family, genus, species)
12 Beer before wine, everything fine, wine before beer everything queer (debatable drinking rule)

Source: various