1. What do these sentences mean?
And what do they have in common?

2. Every Good Boy Does Fine Please Excuse My Dear Aunt Sally
My Very Educated Mother Just Served Us Nine Pickles*
My Very Educated Mother Just Served Us Noodles

3. Every Good Boy Does Fine
The music scale
Treble Clef

4. Please excuse My dear aunt sally
Mathematics
The equation order

5. my very educated mother just served us nine pizzas
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, *Pluto
My Very Educated Mother Just Served Us Noodles*

6. Mnemonic Devices noun noun: mnemonic; plural noun: mnemonics
a device such as a pattern of letters, ideas, or associations that assists in remembering something.

7. Roy. G. Biv Rice Other common devices The rainbow
Rest, ice, compression, elevation