SCIENCE: Colors in the Visual Spectrum

If you're trying to remember the names - and order - of the colors in the visible spectrum, memorize this name:

ROY G. BIV

Every letter in Roy's name stands for a color in the spectrum, in order:

Red
Orange
Yellow
Green
Blue
Indigo
Violet

RELIGION: The Seven Deadly Sins

Trying to memorize the Seven Deadly Sins? Remember this:

Lucifer Glares, Grandma Slowly Writes Endless Prayers

The first two letters of each word stand in the sentence stand for the seven deadly sins:

Lust

Gluttony
Greed
Sloth
Wrath
Envy
Pride

GOVERNMENT & SOCIAL STUDIES: The Articles of the Constitution

Trying to memorize what the Articles of the Constitution helped establish? Remember this:

Let Every Judge Stand And Defend Rights

The first letter of each word pertains to memory prompts for the seven articles:

1. Legislative Branch
2. Executive Branch
3. Judicial Branch
4. State powers and limits
5. Amending the Constitution
6. Debts, Supreme Law and Oaths
7. Ratifying the Constitution

SPACE & ASTRONOMY: The Planets

To remember the order of the planets, from closest to furthest from the sun, use this sentence:

My Very Educated Mother Just Served Us Nachos

The first letter of each word stands for the name of a planet:

Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune

(To count Pluto as a planet, just end the sentence with "Nine Pizzas" instead of "Nachos")

Thanks to aluminumtulips for the suggestion!

BIOLOGY: Taxonomic Rank

Trying to remember the order of taxonomic classification from the broadest to narrowest rank? A little Nintendo might help. Just remember the following sentence, as the first letter in each word stands for an order in the taxonomic rank:

Donkey Kong's Princess Called Out For Gorilla Smashing

Domain - Kingdom - Phylum - Class - Order - Family - Genus - Species

Thanks to migo13 for the submission!

GOVERNMENT & SOCIAL STUDIES: The Bill of Rights

Trying to memorize the Bill of Rights? Remember this sentence: 

Since All Questions Seem Difficult, Study To Begin Passing Exams

The first letter of each word in the sentence pertains to memory prompts for the first ten amendments:

1. Free Speech

2. Bear Arms

3. Quartering Soldiers

4. Search & Seizure

5. Due process

6. Speedy trial

7. Trial by jury

8. Excessive bail or punishment

9. Protects unwritten rights of the people

10. Extra powers belong to the people

MATH: Order of Operations

When trying to recall the order in which to complete operations in an equation, remember the following:

Please  Excuse  My  Dear  Aunt  Sally

The first letter of each word in this sentence stands for:

Parentheses  Exponents  Multiplication  Division  Addition  Subtraction

MATH: Pac-Man Eats the Bigger Number

Great way to remember which way a greater than, or less than, sign should face. Think of the sign as a Pac-Man figure, and just remember that Pac-Man will always eat the larger number.

5 > 4

3 < 4

GEOGRAPHY: The Great Lakes (classic mneumonic - remember this?)

To remember the names of the Great Lakes, remember the word "HOMES." The word is spelled by the first letter of the names of each of the great lakes:

Huron, Ontario, Michigan, Erie, and Superior.