World Geography
This peak is the highest above sea level on Earth
Mount Everest
Fun fact: It lies on the border between Nepal and China (Tibet).
This organ produces insulin
Pancreas
Fun fact: Its islets of Langerhans contain beta cells that make insulin.
This is the largest desert on Earth by area
Antarctica
Fun fact: Deserts are defined by aridity, not temperature.
This is the only Grand Slam tennis tournament played on grass
Wimbledon
Fun fact: It began in 1877 and still enforces a white-clothing dress code.
This planet is often called the “morning star” or “evening star”
Venus
Fun fact: Venus is the brightest planet in Earth’s night sky.
This European microstate is famous for its Grand Prix and casinos
Monaco
Fun fact: It’s the second-smallest country in the world
Deficiency of this vitamin causes rickets in children and osteomalacia in adults
Vitamin D
Fun fact: Your skin synthesizes vitamin D when exposed to UVB sunlight
This scale classifies hurricane intensity by sustained wind speed
Saffir–Simpson scale
Fun fact: Category 5 means winds ≥157 mph (≥252 km/h).
This club has won more UEFA Champions League titles than any other
Real Madrid
Fun fact: Their European dominance spans multiple eras
When the Moon appears half illuminated and is waxing, it’s in this phase
First quarter
Fun fact: A first-quarter Moon typically rises around noon and sets around midnight
This South American country has two capitals: a constitutional capital and a seat of government
Bolivia
Fun fact: Sucre is the constitutional capital; La Paz is the seat of government
Adult humans typically have this many bones
206
Fun fact: About half of them are in the hands and feet.
Earth’s ozone layer is primarily located in this atmospheric layer
Stratosphere
Fun fact: The stratosphere extends roughly from 10 to 50 km altitude
In baseball scorekeeping, the position numbered “1” is this
Pitcher
Fun fact: Positions run 1–9: pitcher to right field
When the Moon is more than half but not fully illuminated, it’s in this phase
Gibbous
Fun fact: Gibbous phases occur both waxing and waning.
This country in South Africa is completely surrounded by one other country
Lesotho
Fun fact: It’s a landlocked enclave within South Africa.
This is the largest internal organ in the human body by mass
Liver
Fun fact: It processes nutrients, produces bile, and detoxifies the blood
This biome is characterized by low temperatures, short growing seasons, and widespread permafrost
Tundra
Fun fact: Arctic tundra soils remain frozen beneath the surface for most of the year.
The official marathon distance is exactly this many kilometers
42.195 km
Fun fact: Standardized by the IAAF (now World Athletics) in 1921
This is the nearest large spiral galaxy to the Milky Way and visible to the naked eye under dark skies
Andromeda Galaxy (M31)
Fun fact: It’s about 2.5 million light‑years away
The world’s largest island that is not a continent is this
This is the most abundant protein in the human body
Collagen
Fun fact: Type I collagen is dominant in skin, bone, and tendons
Where a river meets the sea and freshwater mixes with saltwater is called this
Estuary
Fun fact: Estuaries are biodiversity hotspots with brackish water.
In the NBA, this many personal fouls disqualify a player from the game
6
Fun fact: In NCAA basketball, it’s 5 fouls.
This process powers the Sun by converting hydrogen into helium in its core
Nuclear fusion (proton–proton chain)
Fun fact: The Sun fuses hundreds of millions of tons of hydrogen per second, releasing energy via E = mc²