Alternative gas laws mnemonic

There is another mnemonic that can be used to remember which remains constant

Boyles law

Once you start boiling a liquid the temperature remains constant.

 Boil = Constant temperature Boyles law = Constant temperature

Charles law

Prince Charles is under pressure all the time but must remain constantly in control.

 Charles = Constant pressure Charles law = Constant pressure

Gay-Lussac's law

He looses his sacks (Lussac) so he constantly has no room or volume to store anything.

 Loose sack = Constant volume Lussac's law = Constant volume