This type of rock is formed when existing rocks are changed by heat, pressure, or reactive fluids.
Metamorphic
A regular quadrilateral
Square
Born in Germany in 1756, this music composer gave a piano performance at the University of Salzburg at the age of 5, wrote his first symphony at age 8, and wrote his first opera at age 12.
Wolfgang Amadeus Mozart
Hamlet, Who's Afraid of Virginia Woolf, A Streetcar Named Desire
Plays
Mine, yours, his, hers
Possessive
Examples of this rock characteristic are pearly, dull, or metallic
Luster
An equation of the form
(x-h)^2+(y-k)^2=r^2
Circle
At the age of 16, this mathematician proved that the intersection of six chords formed by six points are collinear. A triangle named in his honor can be used for binomial expansions.
Blaise Pascal
The Raven, Kubla Khan, O Captain! My Captain!
Poems
Myself, yourself, itself
Reflexive/Intensive
This force, referred to as compression, tension or shear, causes a change in dimension, volume, or shape when applied to a rock
Stress
The volume of this solid is calculated with the formula
V=1/3pir^2h
Cone
Born in 1881, this Spaniard painted 'Le Picador' at the age of 9.
Pablo Picasso
Millennium, Underworld USA, The Lord of the Rings
Trilogies
Somebody, anyone, anywhere
Indefinite
Measures of this physical characteristic of rocks include bulk, saturated, dry, and submerged.
Density/Weight
lim_(n->oo)(1+1/n)^n
Euler's Number
This tap dancer and actress won her first Academy Award at the age of 7. You can order a sweet drink in her namesake (after turning 21 of course).
Shirley Temple
Animal Farm, The Metamorphosis, The Little Prince
Novellas
Who, whom, what, which
Interrogative
This elastic constant is defined as the ratio of lateral strain to the longitudinal strain
Poisson's Ratio
The positive solution of phi^2-phi-1=0 and therefore, not to be mistaken as a transcendental number.
The Golden Ratio
At one point in time, this child genius was the youngest Chess Grandmaster in history at the age of 15. Born in Chicago (1943), he is the only player to ever earn a perfect score at the American championship, winning all 11 matches in 1964.
Robert (Bobby) Fischer
Angela's Ashes, Out of Africa, I Know Why the Caged Bird Sings
Memoirs
This, that, these, those
Demonstrative