Science
This Element has the atomic number 1 and is the most common element in the universe
Hydrogen
The skin
Apollo 11
This river is the longest in the world, flowing through northeastern Africa.
The Nile
This instrument, with 88 keys, is the most widely learned musical instrument in the world
Piano
This is the process by which a caterpiller transforms into a butterfly.
Metamorphosis
This US state is the largest by land area
Alaska
This 1215 English charter is considered a cornerstone of constitutional law.
Magna Carta
This country contains more than 17,000 islands and is the world's largest archipelago
Indonesia
This sport, played on a 10-foot high hoop, was invented by Canadian, James Naismith in 1891.
The scientific law states that for every action there is an equal and opposite reaction.
Newton's Third Law
This is the only planet in our solar system that rotates on its side
Uranus
This ancient trade route connected China to the Mediterranean world
The Silk Road
What is the largest hot desert on Earth.
What is the sahara
This novel, written by Mary Shelley at age 18, is often considered the first science fiction story.
What is the hardest natural susbstance found on Earth?
Diamond
Photosythesis converts sunlight, water, and this gas into food for plants
Carbon dioxide
This ancient library, considered the greates of antiquity, was located in Egypt and housed hundreds of thousands of scrolls.
The library of Alexandria
This lake, located in Siberia, is the world's deepest and holds 20% of Earth's unfrozen surface freshwater.
Lake Baikal
This currency, used by 20 European Union countries, was introduced as physical notes and coins in 2002.
Euros
Quantum entanglement
This mathematical concept, introduced by Fibonacci, describes a sequence where each numberis the sum of the two before it.
Fibonacci sequence
This empire, at its peak in the 13th century, was the largest continous land empire in history.
What is the Mongol Empire
This archipelago nation in the Pacific is the most remote inhabited island group on Earth, over 2,000 miles from any continent
Hawaii
This philosophical thought experiment imagines a ship whose parts are gradually replaced until no part remains, questioning identity.
The Ship of Theseus