Life Science
This substance makes up the exoskeleton of most arthropods
Chitin
The Hubble Telescope dutifully served NASA for 31 years before being replace by this telescope
James Webb Telescope
Known as ferrum in Latin, this sturdy metal is prone to reacting colorfully with moisture
Iron
The Olympics were first held over 3000 years ago, where greeks would compete against each other to venerate this god
Zeus
The four fundamental forces consist of strong nuclear force, weak nuclear force, gravity, and this force
Electromagnetic Force
DNA stands for this
Deoxyribonucleic Acid
These stars are remnants of red giants that were not large enough to collapse into white dwarves. Many debate if they even are stars
Brown Dwarf
This non tarnishing, infinitely recyclable metal is incredibly rare to find in its pure form in nature
Aluminum
This 2D open world survival game has sold over 70 million copies. The final boss of the game being The Moon Lord
Terraria
This ancient Egyptian sword is characterized by its deeply curved, almost sickle shaped blade
Khopesh
The endocrine system is responsible for creating and regulating these
Horomones
A fast spinning neutron star that emits gamma rays at the poles is known as this
Pulsar
This mercury compound was used in Mesoamerican cultures as a vivid red dye, but caused severe poisoning to those who handled it
Cinnabar
The dots on six-sided dice and dominoes are called these
Pips
In 1927, an experiment was set up at the University of Queensland to test whether this substance was a liquid
Pitch
This type of photoautotroph is responsible for more than half the world's oxygen production
Phytoplankton
This field of meteorites, comets, and space dust surrounds the solar system
Oort Cloud
With a density of 22.59 grams per cubic centimeter, this is the most dense material on earth
Osmium
Taking place on the planet 4546B, This survival game is a thalassophobe's nightmare
Subnautica
During the 9th century, alchemists of the Tang Dynasty were searching for an elixir of eternal life, but found this reactive substance instead
Gunpowder
This phylum of animals is theorized to be the first form of multicellular animal life
Cnidarians
Antares and Shaula are the prominent stars in this zodiac constellation
Scorpio
Beryl crystals are normally colorless, but traces of vanadium and chromium transform it into this prized gemstone
Emerald
This tabletop war game is nearing 50 years old, and is the origin of the green skin of orcs in popular media
Warhammer
This waterborne disease, caused by a parasitic worm, has gone from 3.5 millions cases in 1986 to just 10 in 2025
Dracunculiasis/Guinea Worm Disease