Rhyming words like these are known as mnemonics, after the Greek goddess of memory, Mnemosyne. Another type of mnemonic is associating letters with names in a certain sequence. So, “My Very Educated Mother Just Served Us Nine Pizzas” will instantly help you remember the sequence of the nine planets of the solar system, simply be looking at the first letters of each word. Making the sequence: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto. The great thing with mnenonics is that you can make up your own sentences for things you want to remember and you can personalize them to your own situations or make them as silly as you want (remember, silly is memorable).