random
This reconstructed proto-language is the hypothetical common ancestor of languages as diverse as English, Hindi, and Russian.
Proto-Indo-European
This document came before the constitution and created a weak national government
Articles of conferderation
the sun is a star made mostly of these two elemnts
hydrogen and helium
his element, atomic number 74, has the highest melting point of all metals.
tungsten
This 1648 series of treaties ended the Thirty Years’ War and is often said to mark the beginning of the modern system of nation-states.
Peace of Westphalia
The US gained independence from this country
Great Britain
the force that slows objects down when they rub together
friction
In mathematics, this unsolved problem asks whether every even integer greater than 2 can be expressed as the sum of two primes.
Goldbach Conjecture
This quantum mechanical principle states that certain pairs of physical properties, like position and momentum, cannot both be precisely known at the same time.
Heisenberg Uncertainty Principle
who was president during the Louisiana perchance
Thomas Jefferson
the speed of light is faster than the speed of sound--by about how many times? be in 100k
1,000,000
This 17th-century scientist formulated the laws of motion and universal gravitation, laid out in Philosophiæ Naturalis Principia Mathematica.
Isaac Newton
In The Divine Comedy, this Roman poet serves as Dante’s guide through Hell and most of Purgatory.
Virgil
The civil war started in 1861, but ended in this year
1865
if you double velocity, kinetic energy changes by this factor
4 times
This ancient trade route connected the East and West, stretching from China to the Mediterranean, facilitating not just commerce but cultural exchange.
silk road
name 10 elements of the periodic table
titanuim,gold,hydrogen,lithuim,potassium,iron,gold,platuim,silver,uranuim
This movement helped enslaved people escape to freedom secretly
underground railroad
this organelle is known as the "powerhouse of the cell" because it produces ATP
mitochonrdria
In topology, this conjecture—proved by Grigori Perelman—states that every simply connected, closed 3-manifold is homeomorphic to a 3-sphere.
Poincaré Conjecture