
General Knowledge · Editorial deck
Pub Quiz: World & Discovery
Places, science, history, nature and inventions. Five rounds of twenty questions.
Your path through the deck
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Start with a chapter that catches your eye, or mix a few together in your round.
- 01Places & landmarks20 cards · ~3 min
- 02Science & space20 cards · ~3 min
- 03People & turning points20 cards · ~3 min
- 04Animals & the living world20 cards · ~3 min
- 05Inventions & discoveries20 cards · ~3 min
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The questions inside.
01This city is the capital of Ghana.RECALL
02This city contains five boroughs, including Manhattan, and is linked with the Statue of Liberty and Wall Street.RECALL
New York CityNew York City contains five boroughs, including Manhattan, and is linked with the Statue of Liberty and Wall Street.
Share this card ↗Source: New York City ↗03Machu Picchu · country where it is locatedRECALL
04Of the Seven Wonders of the Ancient World, this Egyptian royal tomb survives substantially intact.RECALL
05This country's vast territory gives it land borders with fourteen countries across Europe and Asia.RECALL
RussiaRussia's vast territory gives it land borders with fourteen countries across Europe and Asia.
Share this card ↗Source: Russia ↗06This city is the capital of United Arab Emirates.RECALL
Abu DhabiA useful anchor for What is the capital of United Arab Emirates?: Abu Dhabi.
Share this card ↗Source: United Arab Emirates ↗07This city has served as a global center of trade and finance for centuries along the River Thames.RECALL
LondonLondon has served as a global center of trade and finance for centuries along the River Thames.
Share this card ↗Source: London ↗08Chichén Itzá · country where it is locatedRECALL
09These legendary terraced gardens, traditionally attributed to Nebuchadnezzar II, have an uncertain location and historical existence.RECALL
10This East Asian country has land borders with India, Mongolia, Russia and Vietnam.RECALL
ChinaChina borders fourteen countries, tying Russia for the most land neighbors of any nation.
Share this card ↗Source: China ↗11This city is the capital of Afghanistan.RECALL
KabulA useful anchor for What is the capital of Afghanistan?: Kabul.
Share this card ↗Source: Afghanistan ↗12This city grew into a global center for art, fashion, and cuisine along the Seine River.RECALL
ParisParis grew into a global center for art, fashion, and cuisine along the Seine River.
Share this card ↗Source: Paris ↗13Angkor Wat · country where it is locatedRECALL
14This country's size means it borders nearly every other South American nation, with Chile and Ecuador as the exceptions.RECALL
BrazilBrazil's size means it borders nearly every other South American nation, with Chile and Ecuador as the exceptions.
Share this card ↗Source: Brazil ↗15This city is the capital of Antigua and Barbuda.RECALL
St. John'sA useful anchor for What is the capital of Antigua and Barbuda?: St. John's.
Share this card ↗Source: Antigua and Barbuda ↗16Once known as Edo, this city is Japan's capital.RECALL
17Mount Fuji · country where it is locatedRECALL
18This country's border with Canada is the world's longest international border.RECALL
United StatesThe border between the United States and Canada is the longest international border in the world.
Share this card ↗Source: United States ↗19This city is the capital of New Zealand.RECALL
WellingtonA useful anchor for What is the capital of New Zealand?: Wellington.
Share this card ↗Source: New Zealand ↗20The Burj Khalifa and Palm Jumeirah are landmarks of this city in the United Arab Emirates.RECALL
DubaiDubai built an ultramodern skyline and became a major hub for trade and tourism in the Gulf.
Share this card ↗Source: Dubai ↗21SI unit of forceRECALL
22This common liquid expands as it freezes, helping its solid form float.RECALL
WaterWater is unusual among common substances for expanding rather than shrinking as it freezes.
Share this card ↗Source: Water ↗23Organ that pumps bloodRECALL
24Mercury · position among the eight planets, counting outward from the SunRECALL
25This mission put Armstrong and Aldrin on the Moon while Collins orbited overhead.RECALL
Apollo 11Apollo 11 landed Neil Armstrong and Buzz Aldrin on the Moon while Michael Collins orbited overhead.
Share this card ↗Source: Apollo 11 ↗26SI unit of energyRECALL
27Loss of electrons defines this chemical process, involved when iron rusts.RECALL
OxidationOxidation involves a loss of electrons from a substance, the reaction behind rust forming on iron.
Share this card ↗Source: Redox ↗28Largest organ of the human bodyRECALL
29Venus · position among the eight planets, counting outward from the SunRECALL
30This farthest-travelling human-made spacecraft carries a golden record of life on Earth.RECALL
Voyager 1Voyager 1 has traveled farther than any other human-made object and carries a golden record of life on Earth.
Share this card ↗Source: Voyager 1 ↗31Stored energy due to positionRECALL
32Fuel reacts with oxygen and releases heat in this process, familiar from a candle flame.RECALL
CombustionCombustion releases heat and light as fuel reacts with oxygen, the process behind a burning candle flame.
Share this card ↗Source: Combustion ↗33Smallest bone in the bodyRECALL
34Solar System planet with the Great Red SpotRECALL
35This spacecraft visited both Uranus and Neptune and launched before its similarly named sister probe.RECALL
Voyager 2Voyager 2 remains the only spacecraft to visit both Uranus and Neptune, and it launched before Voyager 1.
Share this card ↗Source: Voyager 2 ↗36Opposition to a change in motionRECALL
37This logarithmic scale expresses acidity using hydrogen-ion activity.RECALL
pH ScaleShare this card ↗Source: PH ↗38A 1993 servicing mission corrected this orbiting telescope's initially flawed mirror.IDENTIFY
Hubble Space TelescopeHubble's early flawed mirror was corrected on a 1993 servicing mission, after which it captured stunning deep-space images.
Share this card ↗Source: Hubble Space Telescope ↗39Equal and opposite forcesRECALL
Newton's third lawAction and reaction act on different objects
Share this card ↗Source: Newton's third law ↗40In the Brønsted–Lowry model, these two substance classes donate and accept protons, respectively.RECALL
Acids and BasesAcids donate hydrogen ions and bases accept them, the reaction behind vinegar fizzing with baking soda.
Share this card ↗Source: Acid–base reaction ↗41First woman to win a Nobel PrizeRECALL
42This woman led French forces as a teenager during the Hundred Years' War and was later canonized a saint.RECALL
Joan of ArcJoan of Arc led French forces as a teenager during the Hundred Years' War and was later canonized a saint.
Share this card ↗Source: Joan of Arc ↗43This Cold War competition in spaceflight culminated in the 1969 Moon landing.RECALL
Space RaceThe Space Race pitted the US against the Soviet Union in spaceflight, culminating in the 1969 Moon landing.
Share this card ↗Source: Space Race ↗44This event won the thirteen colonies independence from Britain, formalized by the 1783 Treaty of Paris.RECALL
American RevolutionThe American Revolution won the thirteen colonies independence from Britain, formalized by the 1783 Treaty of Paris.
Share this card ↗Source: American Revolution ↗45This Nile civilization built pyramids and organized farming around the river's yearly flood.IDENTIFY
Ancient EgyptAncient Egyptian civilization grew up along the Nile River, whose predictable floods shaped farming, religion, and the calendar.
Share this card ↗Source: Ancient Egypt ↗46Leader called the Liberator of South AmericaRECALL
47This woman escaped slavery, guided others to freedom, and later served as a Civil War scout and spy.RECALL
Harriet TubmanHarriet Tubman escaped slavery, guided others to freedom, and later served as a Civil War scout and spy.
Share this card ↗Source: Harriet Tubman ↗48This 1962 confrontation over Soviet missiles in Cuba brought the superpowers close to nuclear conflict.RECALL
Cuban Missile CrisisThe Cuban Missile Crisis of 1962 is widely regarded as the closest the Cold War ever came to nuclear conflict.
Share this card ↗Source: Cuban Missile Crisis ↗49This event overthrew the monarchy and reshaped French society before Napoleon's rise to power.RECALL
French RevolutionThe French Revolution overthrew the monarchy and reshaped French society before Napoleon's rise to power.
Share this card ↗Source: French Revolution ↗50Between the Tigris and Euphrates, this historical region contained the early cities of Ur and Uruk.RECALL
MesopotamiaMesopotamia is often called a cradle of civilization for its early cities, writing, and law codes.
Share this card ↗Source: Mesopotamia ↗51He founded Saint Petersburg in 1703 while ruling as Russia's tsar.RECALL
52This Chinese researcher led work that isolated artemisinin, an important treatment for malaria.IDENTIFY
Tu YouyouTu's team investigated sweet wormwood while searching for antimalarial compounds.
Share this card ↗Source: Tu Youyou ↗53This 1949 event established the North Atlantic military alliance based on collective defence.RECALL
Founding of NATONATO formed in 1949 as a Western military alliance built on the principle of collective defense.
Share this card ↗Source: NATO ↗54This event ended slavery and French rule, establishing the first republic led by formerly enslaved people.RECALL
Haitian RevolutionThe Haitian Revolution ended slavery and French rule, establishing the first republic led by formerly enslaved people.
Share this card ↗Source: Haitian Revolution ↗55This South Asian civilization built grid-planned cities with advanced drainage.RECALL
Indus Valley CivilisationThe Indus Valley Civilisation built grid-planned cities with advanced drainage long before many later urban centers.
Share this card ↗Source: Indus Valley Civilisation ↗56English queen during the Spanish ArmadaRECALL
57This Kenyan environmentalist founded the Green Belt Movement and received the 2004 Nobel Peace Prize.IDENTIFY
Wangari MaathaiThe Green Belt Movement connected tree planting with community participation.
Share this card ↗Source: Wangari Maathai ↗58This 1993 event resulted from the Maastricht Treaty entering into force.RECALL
Founding of the European UnionThe European Union was formally established in 1993, growing out of earlier postwar European trade communities.
Share this card ↗Source: European Union ↗59This 1917 upheaval ended tsarist rule and brought Lenin's Bolsheviks to power.RECALL
Russian RevolutionThe 1917 Russian Revolution ended centuries of tsarist rule and brought Lenin's Bolsheviks to power.
Share this card ↗Source: Russian Revolution ↗60This ancient Mediterranean civilization's independent city-states shaped Western philosophy, theatre, and politics.RECALL
Ancient GreeceAncient Greece was a network of independent city-states whose ideas shaped Western philosophy, theater, and politics.
Share this card ↗Source: Ancient Greece ↗61This animal builds dams that can reshape waterways.RECALL
The beaver.A beaver’s tail works as a rudder, prop, and warning signal.
Share this card ↗Source: Beaver ↗62Green pigment absorbing lightRECALL
63This mammal, the largest land animal, uses its trunk for breathing, drinking, and grasping.RECALL
African ElephantThe African elephant, the largest land animal, uses its trunk for breathing, drinking, and grasping.
Share this card ↗Source: African elephant ↗64This animal's name comes from an old word for white, not from actual baldness.RECALL
Bald EagleThe bald eagle's name comes from an old word for white, not from actual baldness.
Share this card ↗Source: Bald eagle ↗65This ocean feature, the largest and deepest ocean, covers more area than all of Earth's land combined.RECALL
The Pacific OceanThe Pacific Ocean, the largest and deepest ocean, covers more area than all of Earth's land combined.
Share this card ↗Source: Pacific Ocean ↗66This insect builds mounds with carefully regulated internal air flow.RECALL
Termites.Some termite mounds help manage temperature, moisture, and gases through their structure.
Share this card ↗Source: Termite ↗67Leaf pores controlling gas exchangeRECALL
68This mammal, the largest animal ever known, has a heart that can weigh as much as a small car.RECALL
Blue WhaleThe blue whale, the largest animal ever known, has a heart that can weigh as much as a small car.
Share this card ↗Source: Blue whale ↗69This animal can exceed 240 miles per hour in a hunting dive, the fastest animal on Earth.RECALL
Peregrine FalconThe peregrine falcon can exceed 240 miles per hour in a hunting dive, the fastest animal on Earth.
Share this card ↗Source: Peregrine falcon ↗70This ocean feature, the second-largest, slowly widens each year due to shifting tectonic plates.RECALL
The Atlantic OceanThe Atlantic Ocean, the second-largest, slowly widens each year due to shifting tectonic plates.
Share this card ↗Source: Atlantic Ocean ↗71Spiders produce this protein fibre to make webs and other structures.RECALL
Silk.Spider silk is a protein fiber with different properties depending on how the spider uses it.
Share this card ↗Source: Spider silk ↗72Plants adapted to dry environmentsRECALL
73This mammal, the tallest land animal, has just as many neck vertebrae as a human despite its long neck.RECALL
GiraffeThe giraffe, the tallest land animal, has just as many neck vertebrae as a human despite its long neck.
Share this card ↗Source: Giraffe ↗74This animal, the largest living bird, cannot fly but is the fastest running bird on land.RECALL
OstrichThe ostrich, the largest living bird, cannot fly but is the fastest running bird on land.
Share this card ↗Source: Common ostrich ↗75This ocean feature, the third-largest and warmest of the major oceans, borders Africa, Asia, and Australia.RECALL
The Indian OceanThe Indian Ocean, the third-largest and warmest of the major oceans, borders Africa, Asia, and Australia.
Share this card ↗Source: Indian Ocean ↗76Plant growing on another without taking nutrientsRECALL
77This African big cat lives in groups called prides; adult males often have manes.IDENTIFY
LionLions live in social prides and are nicknamed the king of the jungle despite mainly inhabiting grasslands.
Share this card ↗Source: Lion ↗78Males of this largest penguin species incubate an egg on their feet through the Antarctic winter.RECALL
Emperor PenguinEmperor penguin males incubate their eggs on their feet through the harsh Antarctic winter.
Share this card ↗Source: Emperor penguin ↗79This ocean feature, the smallest and shallowest ocean, stays largely covered by sea ice much of the year.RECALL
The Arctic OceanThe Arctic Ocean, the smallest and shallowest ocean, stays largely covered by sea ice much of the year.
Share this card ↗Source: Arctic Ocean ↗80Honey bees build this wax structure of closely packed cells.RECALL
Honeycomb.The repeating hexagons store honey, pollen, and developing bees while using wax efficiently.
Share this card ↗Source: Honeycomb ↗81He developed an influential movable-metal-type printing system in fifteenth-century Europe.RECALL
82Gutenberg developed this machine in fifteenth-century Mainz to reproduce pages using movable metal type.RECALL
The Printing PressShare this card ↗Source: Printing press ↗83This scientist's laws of motion and gravitation, alongside his independent development of calculus, reshaped physics.RECALL
Isaac NewtonIsaac Newton's laws of motion and gravitation, alongside his independent development of calculus, reshaped physics.
Share this card ↗Source: Isaac Newton ↗84Sony's portable cassette player made private music listening through headphones a mass-market habit.IDENTIFY
The WalkmanSony's 1979 Walkman made portable personal music mainstream through cassette tapes and headphones.
Share this card ↗Source: Walkman ↗85These systems span physical obstacles and come in many engineering forms, from beam to cable-stayed designs.RECALL
BridgesBridges span physical obstacles and come in many engineering forms, from beam to cable-stayed designs.
Share this card ↗Source: Bridge ↗86This Scottish engineer's separate condenser greatly improved steam-engine efficiency.RECALL
87This invention let voices carry across distance instantly, patented by Bell in 1876 amid a close rival race.RECALL
The TelephoneThe telephone let voices carry across distance instantly, patented by Bell in 1876 amid a close rival race.
Share this card ↗Source: Telephone ↗88He won a Nobel Prize for explaining the photoelectric effect, rather than for relativity.IDENTIFY
Albert EinsteinEinstein is famed for relativity, though his Nobel Prize actually recognized his explanation of the photoelectric effect.
Share this card ↗Source: Albert Einstein ↗89This device let users receive short wireless messages, popular among doctors before cell phones spread widely.RECALL
The PagerThe pager let users receive short wireless messages, popular among doctors before cell phones spread widely.
Share this card ↗Source: Pager ↗90These systems hang from tower-mounted cables, letting them span far greater distances than most designs.RECALL
Suspension BridgesSuspension bridges hang from tower-mounted cables, letting them span far greater distances than most designs.
Share this card ↗Source: Suspension bridge ↗91This general-purpose electronic computer built by Eckert and Mauchly was unveiled at the University of Pennsylvania in 1946.RECALL
92Edison and his team improved this electric lighting device with a longer-lasting incandescent filament.RECALL
The Light BulbEdison's light bulb made electric lighting practical after testing thousands of materials for a durable filament.
Share this card ↗Source: Incandescent light bulb ↗93This device transmitted documents over phone lines and remained common in offices well into the digital era.RECALL
The Fax MachineThe fax machine transmitted documents over phone lines and remained common in offices well into the digital era.
Share this card ↗Source: Fax ↗94This type of building construction combines tall load-bearing frames with elevators to make many floors practical.RECALL
Skyscraper ConstructionSkyscrapers became possible by combining steel frames with elevators, transforming skylines from the late 1800s.
Share this card ↗Source: Skyscraper ↗95Launched by the Soviet Union in 1957, this was the first artificial Earth satellite.RECALL
96Karl Benz's three-wheeled Patent-Motorwagen was an early example of this motorized road vehicle.RECALL
The AutomobileShare this card ↗Source: Benz Patent-Motorwagen ↗97The voyage of HMS Beagle helped this naturalist develop his account of evolution by natural selection.IDENTIFY
Charles DarwinDarwin's voyage aboard HMS Beagle helped shape his theory of evolution by natural selection.
Share this card ↗Source: Charles Darwin ↗98This device let households record TV at home, sparking early legal battles over recording rights.RECALL
The VCRThe VCR let households record TV at home, sparking early legal battles over recording rights.
Share this card ↗Source: Videocassette recorder ↗99This engineering system supplies water and removes waste through piping, its name tracing to the Latin word for lead.RECALL
PlumbingPlumbing supplies water and removes waste through piping, its name tracing to the Latin word for lead.
Share this card ↗Source: Plumbing ↗100This scientist's team administered the first successful post-exposure rabies vaccination in 1885.RECALL
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