Q. Which weapon first appeared in World War I?
Options: The Mark I tank · The Berlin Wall · Checkpoint Charlie · The fall of the Berlin Wall
Answer: The Mark I tank
It was built to cross over the trenches.
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From world wars to space and the internet — answers and explanations for all 200 questions. Cover the answer, have a guess first, then check the explanation. Want to play it as a quiz? Try it at the Quiz Playground!
Q. In what year did humans first land on the Moon?
Options: 1980 · 1945 · 2000 · 1969
Answer: 1969
In 1969, Apollo 11 landed on the Moon.
🌍 Q. What huge war split the whole world into two sides, and happened twice?
Options: The Cold War · The Hundred Years' War · A world war · The Crusades
Answer: A world war
Two 'world wars' broke out in the 20th century.
🌐 Q. What connects computers all over the world so they can share information?
Options: The telephone · The radio · Television · The internet
Answer: The internet
The internet connected the whole world.
🕊️ Q. Which organization was created after World War II to keep world peace?
Options: The Olympics · NATO · The Red Cross · The United Nations (UN)
Answer: The United Nations (UN)
The United Nations was created to keep world peace.
Q. Which brothers made the first powered airplane flight, in 1903?
Options: The Wright brothers · The Lumière brothers · The Grimm brothers · The Montgolfier brothers
Answer: The Wright brothers
A 12-second flight opened the age of the sky!
Q. What was the name of the Wright brothers' first airplane?
Options: Apollo · Concorde · The Flyer · Boeing
Answer: The Flyer
It was the Flyer I.
Q. Which ship hit an iceberg and sank on its first voyage in 1912?
Options: The Queen Mary · The Titanic · The Santa Maria · The Mayflower
Answer: The Titanic
It was called 'the unsinkable ship', but…
Q. What did every ship have to carry after the Titanic disaster?
Options: Enough lifeboats · A swimming pool · A movie theater · A restaurant
Answer: Enough lifeboats
Safety rules became much stronger.
Q. Which scientist discovered radium and won two Nobel Prizes?
Options: Marie Curie · Einstein · Newton · Edison
Answer: Marie Curie
Marie Curie! She won prizes in both physics and chemistry.
Q. Which country was Marie Curie born in?
Options: England · Poland · Russia · France
Answer: Poland
She was from Poland and did her research in France.
Q. What is Einstein's famous formula from his theory of relativity?
Options: The Pythagorean theorem · F=ma · 1+1=2 · E=mc²
Answer: E=mc²
It links energy and mass!
Q. In which field did Einstein win his Nobel Prize?
Options: Peace · Chemistry · Literature · Physics
Answer: Physics
Physics, for his work on the photoelectric effect!
Q. Which scientist discovered penicillin in mold?
Options: Pasteur · Koch · Fleming · Jenner
Answer: Fleming
A lucky discovery that saved countless lives!
Q. What kind of medicine is penicillin?
Options: A digestive aid · Cold medicine · An antibiotic that fights bacteria · A vitamin
Answer: An antibiotic that fights bacteria
It was the world's first antibiotic!
Q. On which continent did World War I begin?
Options: Africa · Oceania · Europe · South America
Answer: Europe
It began in Europe in 1914.
Q. In what year did World War I end?
Options: 1900 · 1945 · 1918 · 1950
Answer: 1918
1918. The guns fell silent at 11 o'clock on November 11, and many countries still remember the war at that exact moment.
Q. In what year did World War II end?
Options: 1945 · 1939 · 1960 · 1918
Answer: 1945
1945, the year peace finally came back to the world.
Q. Which prime minister led Britain during World War II?
Options: Stalin · Churchill · Roosevelt · de Gaulle
Answer: Churchill
Churchill, who said 'Never give up'!
Q. Which Jewish girl hid during the war and left behind a diary?
Options: Anne Frank · Pippi · Alice · Heidi
Answer: Anne Frank
'The Diary of Anne Frank' shows us how precious peace is.
Q. What did the world create in 1945 for peace, after the tragedy of war?
Options: The United Nations (UN) · The World Cup · The Olympics · The Red Cross
Answer: The United Nations (UN)
The United Nations was founded.
Q. In which city is the UN headquarters?
Options: Geneva · New York · Paris · London
Answer: New York
It's in New York, in the United States.
Q. Which UN agency helps children all over the world?
Options: UNICEF · UNESCO · The IMF · The WHO
Answer: UNICEF
UNICEF. It was created to help children going hungry because of war, and many countries that once received its help now help others.
Q. Which UN agency names and protects the world's cultural heritage?
Options: UNESCO · UNICEF · The WHO · FIFA
Answer: UNESCO
UNESCO. It names World Heritage sites to protect them, and builds peace between countries through education, science, and culture.
Q. Which UN agency looks after people's health around the world?
Options: The WTO · The World Health Organization (WHO) · UNESCO · UNICEF
Answer: The World Health Organization (WHO)
The WHO leads the response to disease outbreaks!
Q. What do we call the tense age after World War II, when the world split into two sides?
Options: A hot war · The Great Depression · The Cold War · The Ice Age
Answer: The Cold War
A 'cold' war, fought with tension instead of guns!
Q. What split Germany's capital in two during the Cold War?
Options: A truce line · The Great Wall · A moat · The Berlin Wall
Answer: The Berlin Wall
The Berlin Wall, built in 1961.
Q. In what year did the Berlin Wall come down?
Options: 2000 · 1945 · 1989 · 1961
Answer: 1989
1989. The wall that had split East and West Berlin for 28 years came down, and Germany became one country the next year.
Q. What happened to East and West Germany?
Options: They peacefully became one in 1990 · Both disappeared · They were joined by war · They are still divided
Answer: They peacefully became one in 1990
A wonderful example of peaceful reunification!
Q. Which country raced the United States into space during the Cold War?
Options: India · Britain · Japan · The Soviet Union
Answer: The Soviet Union
The USA vs the USSR — the space race!
Q. What was the first artificial satellite humans launched?
Options: Voyager · Hubble · Sputnik · Apollo
Answer: Sputnik
Sputnik 1, launched by the Soviet Union in 1957!
Q. Who was the first human in space?
Options: Buzz Aldrin · Neil Armstrong · Yuri Gagarin · John Glenn
Answer: Yuri Gagarin
'The Earth is blue!' — Gagarin, in 1961!
Q. What was the name of the first spacecraft to reach the Moon?
Options: Apollo 11 · Sputnik · Voyager · Challenger
Answer: Apollo 11
Apollo 11, in 1969!
Q. What famous words did Armstrong say on the Moon?
Options: One small step for a man, one giant leap for mankind · Eureka · This is the Moon, over · The Earth is blue
Answer: One small step for a man, one giant leap for mankind
A giant leap for humankind!
Q. What is the big science lab floating in space?
Options: A Moon base · The International Space Station (ISS) · A Mars hotel · A space elevator
Answer: The International Space Station (ISS)
The ISS, built by many countries together!
Q. Which human-made probe has flown out past the solar system?
Options: The Space Shuttle · The Titanic · Apollo · Voyager
Answer: Voyager
Voyager 1 is still flying today!
Q. Which famous space telescope watches the stars from orbit?
Options: A periscope · A magnifying glass · Galileo's telescope · The Hubble Space Telescope
Answer: The Hubble Space Telescope
Hubble — and these days, the James Webb too!
Q. Who led India to independence with nonviolence?
Options: Dr. King · Mother Teresa · Gandhi · Mandela
Answer: Gandhi
Mahatma Gandhi, who spun his own thread!
Q. What did Gandhi do to protest Britain's salt tax?
Options: Only fasted · Went to war · The Salt March · Moved abroad
Answer: The Salt March
The Salt March, walking all the way to the sea together!
Q. Who is famous for the speech 'I have a dream'?
Options: Mandela · Martin Luther King Jr. · Gandhi · Lincoln
Answer: Martin Luther King Jr.
Dr. King, who stood against racial discrimination!
Q. Which woman refused to give up her bus seat and stood up to discrimination?
Options: Helen Keller · Nightingale · Marie Curie · Rosa Parks
Answer: Rosa Parks
The start of the Montgomery bus boycott!
Q. Who spent 27 years in prison, then became South Africa's president and led reconciliation?
Options: Dr. King · Nelson Mandela · Carter · Gandhi
Answer: Nelson Mandela
Mandela, a man of forgiveness and reconciliation!
Q. What was the South African policy of racial separation that Mandela fought?
Options: The caste system · Feudalism · Isolationism · Apartheid
Answer: Apartheid
Apartheid separated people by the color of their skin.
Q. Which nun in Kolkata spent her life caring for the poor?
Options: Rosa Parks · Joan of Arc · Mother Teresa · Nightingale
Answer: Mother Teresa
Mother Teresa, winner of the Nobel Peace Prize!
Q. Who could not see or hear, yet became a great writer?
Options: Anne Frank · Mother Teresa · Helen Keller · Marie Curie
Answer: Helen Keller
She made a miracle happen together with her teacher, Miss Sullivan!
Q. Who was Helen Keller's wonderful teacher?
Options: Pestalozzi · Froebel · Montessori · Miss Sullivan
Answer: Miss Sullivan
'W-a-t-e-r' in her palm! Anne Sullivan!
Q. Which girl risked her life for girls' education and became the youngest Nobel Peace Prize winner?
Options: Rosa · Anne · Malala · Greta
Answer: Malala
Malala Yousafzai, who won it at 17!
Q. Which young Swedish activist calls for action on the climate crisis?
Options: Jane Goodall · Greta Thunberg · Malala · Anne
Answer: Greta Thunberg
The 'Fridays for Future' movement!
Q. Which zoologist spent her life studying chimpanzees?
Options: Darwin · Jane Goodall · Fabre · Mendel
Answer: Jane Goodall
Jane Goodall, friend of the chimpanzees!
Q. Who founded Apple and opened the age of personal computers and smartphones?
Options: Einstein · Edison · Steve Jobs · Bill Gates
Answer: Steve Jobs
Steve Jobs, who made the iPhone!
Q. Who founded Microsoft?
Options: Steve Jobs · Bill Gates · Musk · Zuckerberg
Answer: Bill Gates
Bill Gates, of Windows!
Q. Who invented the World Wide Web and made the internet easy?
Options: Steve Jobs · Tim Berners-Lee · Bill Gates · Turing
Answer: Tim Berners-Lee
The father of the web! He gave it away for free, with no patent.
Q. Which British mathematician is called the father of computer science?
Options: Darwin · Alan Turing · Newton · Faraday
Answer: Alan Turing
Turing, also famous for breaking secret codes!
Q. Which scientists revealed the double helix shape of DNA?
Options: Watson and Crick · The Wright brothers · The Grimm brothers · The Curies
Answer: Watson and Crick
They revealed the blueprint of life! (Franklin's work helped a lot too.)
Q. Which machine is counted as the first large electronic computer?
Options: The iPhone · The Game Boy · The Walkman · ENIAC
Answer: ENIAC
ENIAC filled a whole room!
Q. Which machine let people watch news from around the world at home in the late 20th century?
Options: The gramophone · The telegraph · The typewriter · Television
Answer: Television
TV connected the world.
Q. Which 20th-century way of traveling let people fly faster than ever?
Options: Sailing ships · Steamships · Horse carriages · Jet airliners
Answer: Jet airliners
With jets you can reach the other side of the world in a day!
Q. What did the 20th century's 'Green Revolution' achieve?
Options: It widened the seas · It melted the glaciers · It greatly increased food production · It cleared away forests
Answer: It greatly increased food production
Better crop varieties reduced hunger.
Q. In which year did the 21st century begin?
Options: 1999 · 2010 · 2001 · 2000
Answer: 2001
The 21st century started in 2001! (2000 was the last year of the 20th.)
Q. Which world football tournament is held every four years?
Options: The Olympics · The World Cup · The Super Bowl · Wimbledon
Answer: The World Cup
The FIFA World Cup!
Q. Which country hosted the first World Cup, in 1930?
Options: England · France · Uruguay · Brazil
Answer: Uruguay
Uruguay. The first tournament was a small one with only 13 countries, and the hosts won it.
Q. Which country has won the World Cup the most times?
Options: Germany · Italy · Argentina · Brazil
Answer: Brazil
Brazil, the kingdom of football, with 5 wins!
Q. Which Brazilian legend was called 'the King of Football'?
Options: Pelé · Maradona · Messi · Ronaldo
Answer: Pelé
Pelé, a three-time World Cup winner!
Q. What do the five rings on the Olympic flag mean?
Options: Five countries · The five continents coming together · Five sports · A five-color rainbow
Answer: The five continents coming together
The Olympic spirit: five continents as one!
Q. How often are the Summer and Winter Olympics held?
Options: Every year · Every 10 years · Each one every 4 years · Both in the same year, every 2 years
Answer: Each one every 4 years
Summer and Winter each run on a four-year cycle.
Q. Who created Mickey Mouse?
Options: Spielberg · Miyazaki · Chaplin · Walt Disney
Answer: Walt Disney
The beginning of a kingdom of dreams!
Q. Which comedy actor with a little mustache starred in the silent film era?
Options: Charlie Chaplin · Jim Carrey · Mr. Bean · Johnny Depp
Answer: Charlie Chaplin
Chaplin, with his cane and bowler hat!
Q. Which Japanese animation director made 'My Neighbor Totoro'?
Options: Hayao Miyazaki · Shinkai · Disney · Tezuka
Answer: Hayao Miyazaki
Hayao Miyazaki of Studio Ghibli!
Q. Who wrote the 'Harry Potter' series?
Options: Roald Dahl · Andersen · J.K. Rowling · Tolkien
Answer: J.K. Rowling
J.K. Rowling, who opened up a world of magic!
Q. Which French writer wrote 'The Little Prince'?
Options: Camus · Saint-Exupéry · Hugo · Jules Verne
Answer: Saint-Exupéry
Saint-Exupéry, who was a pilot too!
Q. The Beatles were a legendary band from which country?
Options: Germany · The United States · Britain · France
Answer: Britain
Four lads from Liverpool!
Q. Which two people first climbed Mount Everest?
Options: The Wright brothers · Amundsen and Scott · Hillary and Tenzing · Armstrong and Aldrin
Answer: Hillary and Tenzing
In 1953, Hillary and the Sherpa Tenzing!
Q. Who was the first explorer to reach the South Pole?
Options: Amundsen · Columbus · Scott · Hillary
Answer: Amundsen
Norway's Amundsen, in 1911!
Q. What is the deepest valley in the ocean?
Options: The Grand Canyon · The Mariana Trench · The Dead Sea · The Mediterranean Sea
Answer: The Mariana Trench
About 11 km deep! Even Everest would sink out of sight in it.
Q. Which money do many European countries share?
Options: The pound · The euro · The dollar · The yen
Answer: The euro
The euro of the European Union!
Q. What is the union of European countries called?
Options: The European Union (EU) · The UN · ASEAN · NATO
Answer: The European Union (EU)
The EU, where people cross borders freely!
Q. What do we call the problem of the Earth getting hotter and hotter?
Options: Dust storms · The rainy season · The Ice Age · Global warming
Answer: Global warming
The climate crisis, a puzzle we must solve together!
Q. What can we do to protect the Earth?
Options: Drop litter · Leave the lights on · Waste water · Save energy and recycle
Answer: Save energy and recycle
Small actions save the planet!
Q. Which disease did the whole world face together in 2020?
Options: COVID-19 · Cholera · The Black Death · Smallpox
Answer: COVID-19
We got through it with masks and hand washing.
Q. What gave the world the strength to overcome the disease?
Options: Not caring · Luck · Vaccines and helping one another · War
Answer: Vaccines and helping one another
The power of science and cooperation!
Q. Which is NOT something children around the world enjoy together today?
Options: Animation · Pop music · Online games · Signal fires on hilltops
Answer: Signal fires on hilltops
Signal fires were an old way of sending messages!
Q. What does the phrase 'global village' mean?
Options: Cities have disappeared · The world has become as close as one village · Only the countryside is left · Earth has only one village
Answer: The world has become as close as one village
Thanks to better travel and communication!
Q. What do international relief groups do?
Options: Guide tourists · Only collect money · Start wars · Help people hit by disaster and poverty
Answer: Help people hit by disaster and poverty
Warm hands reaching across borders!
Q. In which city is the Nobel Prize ceremony held?
Options: Stockholm · New York · Paris · London
Answer: Stockholm
Every December in Stockholm, Sweden! (The Peace Prize is in Oslo.)
Q. Who first flew alone across the Atlantic in the early 20th century?
Options: Lindbergh · Wright · Gagarin · Icarus
Answer: Lindbergh
New York to Paris, nonstop, in 1927!
Q. Which pioneering woman pilot flew across the Atlantic?
Options: Amelia Earhart · Marie Curie · Florence Nightingale · Rosa Parks
Answer: Amelia Earhart
Earhart, pioneer of the sky!
Q. What was the worldwide economic crisis that began in the United States in 1929?
Options: The oil shock · Black Friday · The Great Depression · A currency crisis
Answer: The Great Depression
The Great Depression, when the world economy struggled badly.
Q. Which American plan helped Europe recover after World War II?
Options: The Marshall Plan · The New Deal · The Gold Rush · The Silk Road
Answer: The Marshall Plan
The Marshall Plan got Europe back on its feet.
Q. Which policy did the United States use to get through the Great Depression?
Options: The Open Door Policy · The Marshall Plan · The New Deal · Isolationism
Answer: The New Deal
Roosevelt's New Deal!
Q. Which cloned sheep amazed the world in 1997?
Options: Molly · Lucy · Betty · Dolly
Answer: Dolly
Dolly the sheep, the first cloned mammal!
Q. What do we call the robot car exploring Mars?
Options: A submersible · A rover · A rocket · A drone
Answer: A rover
A Mars rover, like Curiosity!
Q. In which city is the world's tallest building, the Burj Khalifa?
Options: Shanghai · Dubai · Tokyo · New York
Answer: Dubai
828 m tall, in Dubai out in the desert!
Q. Which phone that you carry with you appeared in the late 20th century?
Options: The pay phone · The mobile phone · The telegraph · Only walkie-talkies
Answer: The mobile phone
Today the mobile phone is a computer too!
Q. Which modern technology shows you the way instead of a paper map?
Options: GPS (satellite navigation) · Only a compass · Signal fires · Lighthouses
Answer: GPS (satellite navigation)
Satellites tell you where you are!
Q. Which online encyclopedia does the whole world write together?
Options: A comic book · Wikipedia · The paper Britannica · The Oxford Dictionary
Answer: Wikipedia
Wikipedia, made by everyone together!
Q. Which is NOT something artificial intelligence (AI) is good at?
Options: Eating dinner itself · Translating · Drawing pictures · Playing Go
Answer: Eating dinner itself
AI can't eat dinner! Ha ha.
Q. Which artificial intelligence played Go against Lee Sedol in 2016?
Options: AlphaGo · Siri · A chatbot · Watson
Answer: AlphaGo
AlphaGo, from Google DeepMind!
Q. Why are more and more cars running on electricity?
Options: They are slow · They are expensive · They are loud · To protect the environment with no exhaust fumes
Answer: To protect the environment with no exhaust fumes
Eco-friendly cars for the Earth!
Q. What is suffering because of plastic waste?
Options: Mars · The clouds · The sea and sea life · The Moon
Answer: The sea and sea life
Sea turtles are hurting. Let's use less plastic!
Q. What was the 2015 promise by countries around the world to protect the climate?
Options: The Treaty of Versailles · The Potsdam Declaration · The Paris Agreement · The Geneva Conventions
Answer: The Paris Agreement
The Paris Agreement, to stop the Earth's temperature from rising!
Q. Which is NOT a way today's world is better than the past?
Options: People live longer on average · More people can read · Travel is easier · Infectious diseases are gone completely
Answer: Infectious diseases are gone completely
Diseases are still with us. That's why science matters!
Q. Which weapon first appeared in World War I?
Options: The Mark I tank · The Berlin Wall · Checkpoint Charlie · The fall of the Berlin Wall
Answer: The Mark I tank
It was built to cross over the trenches.
Q. Which early airplane had two sets of wings?
Options: Anne Frank House · The Normandy landings · The UN flag · A biplane
Answer: A biplane
This kind of plane flew the skies of World War I.
Q. Which treaty signing ended World War I?
Options: A biplane · Anne Frank House · The Atomic Bomb Dome · The Treaty of Versailles
Answer: The Treaty of Versailles
The treaty was signed in the Hall of Mirrors.
Q. Which World War II fighter plane defended Britain?
Options: The Enigma machine · The Spitfire · Anne Frank House · Checkpoint Charlie
Answer: The Spitfire
The hero of the Battle of Britain.
Q. What is this German code machine?
Options: Anne Frank House · The Atomic Bomb Dome · The fall of the Berlin Wall · The Enigma machine
Answer: The Enigma machine
Breaking this code helped computers develop.
Q. Which 1944 operation landed on the beaches of France?
Options: The Normandy landings · The Mark I tank · The fall of the Berlin Wall · Anne Frank House
Answer: The Normandy landings
It was the largest seaborne landing in history.
Q. Which building still stands in Hiroshima?
Options: The Spitfire · The Treaty of Versailles · The Mark I tank · The Atomic Bomb Dome
Answer: The Atomic Bomb Dome
A World Heritage site that reminds us how precious peace is.
Q. In which house in Amsterdam was 'The Diary of Anne Frank' written?
Options: A biplane · The Atomic Bomb Dome · The Treaty of Versailles · Anne Frank House
Answer: Anne Frank House
The house of a girl who hid away and left behind a diary.
Q. Which wall split Germany in two?
Options: UN Headquarters · The Berlin Wall · The Mark I tank · The UN flag
Answer: The Berlin Wall
It was the symbol of the Cold War.
Q. What was this checkpoint between East and West Berlin?
Options: The Atomic Bomb Dome · The Spitfire · Checkpoint Charlie · A biplane
Answer: Checkpoint Charlie
One of the only ways through during the years of division.
Q. What is this 1989 event, where people climbed up onto the wall?
Options: The fall of the Berlin Wall · The UN flag · The Berlin Wall · Checkpoint Charlie
Answer: The fall of the Berlin Wall
It was the moment the Cold War ended.
Q. Which international organization's headquarters is this, in New York?
Options: The Mark I tank · Checkpoint Charlie · The Atomic Bomb Dome · UN Headquarters
Answer: UN Headquarters
It was created for world peace.
Q. Which flag shows olive branches wrapped around the Earth?
Options: The Mark I tank · The Spitfire · The fall of the Berlin Wall · The UN flag
Answer: The UN flag
A blue flag that stands for peace.
Q. What was the first artificial satellite?
Options: A communications satellite · The ALMA radio telescopes · Sputnik 1 · The Space Shuttle
Answer: Sputnik 1
The Soviet Union launched it in 1957.
Q. Who was the first person to go to space?
Options: The Space Shuttle · Yuri Gagarin · A footprint on the Moon · The Saturn V rocket
Answer: Yuri Gagarin
He said, 'The Earth is blue.'
Q. Which 1969 mission first set foot on the Moon?
Options: A radio telescope · The Apollo 11 Moon landing · The ALMA radio telescopes · The International Space Station (ISS)
Answer: The Apollo 11 Moon landing
Armstrong's 'giant leap'.
Q. This footprint on the Moon — is it still there today?
Options: No, it has been wiped away · Yes, it's still there
Answer: Yes, it's still there
There's no wind, so it's still there today!
Q. Which giant rocket sent Apollo to the Moon?
Options: Sputnik 1 · The International Space Station (ISS) · The Apollo 11 Moon landing · The Saturn V rocket
Answer: The Saturn V rocket
It was the most powerful rocket in history.
Q. Which spacecraft came home like an airplane?
Options: The Space Shuttle · Yuri Gagarin · The Saturn V rocket · The ALMA radio telescopes
Answer: The Space Shuttle
It was a spacecraft that could be used again.
Q. Which home in space did many countries build together?
Options: A communications satellite · The International Space Station (ISS) · The Apollo 11 Moon landing · The Hubble Space Telescope
Answer: The International Space Station (ISS)
Astronauts still live there today.
Q. Which telescope observes the stars from space?
Options: A footprint on the Moon · The Hubble Space Telescope · The ALMA radio telescopes · The lunar rover
Answer: The Hubble Space Telescope
It sends back beautifully clear pictures of space.
Q. What is the nickname of this photo of Earth taken from space?
Options: The Blue Marble · The Apollo 11 Moon landing · Sputnik 1 · A footprint on the Moon
Answer: The Blue Marble
It means 'a blue glass marble'.
Q. Which car drove across the surface of the Moon?
Options: The Saturn V rocket · The Space Shuttle · A footprint on the Moon · The lunar rover
Answer: The lunar rover
It was the astronauts' Moon car.
Q. Which robot car roams Mars?
Options: The Space Shuttle · A Mars rover · A footprint on the Moon · The Blue Marble
Answer: A Mars rover
It explores Mars all by itself.
Q. What links broadcasts and phone calls around the world?
Options: A footprint on the Moon · The lunar rover · Sputnik 1 · A communications satellite
Answer: A communications satellite
Thanks to satellites, we can reach the other side of the world.
Q. Which big dish listens to radio waves from space?
Options: The lunar rover · The Apollo 11 Moon landing · The ALMA radio telescopes · A radio telescope
Answer: A radio telescope
It observes space with ears instead of eyes.
Q. What is this row of telescopes in the desert?
Options: A communications satellite · The ALMA radio telescopes · The Apollo 11 Moon landing · A Mars rover
Answer: The ALMA radio telescopes
A giant observatory in the desert of Chile.
Q. Which first computer filled a whole room?
Options: A credit card · An arcade machine · A 3D printer · ENIAC
Answer: ENIAC
It weighed 30 tons!
Q. Which tiny part opened the electronic age?
Options: A zipper · GPS navigation · A transistor · An arcade machine
Answer: A transistor
It's the hero that made computers small.
Q. Which personal computer came out in 1981?
Options: An early personal computer · A microwave oven · An arcade machine · A humanoid robot
Answer: An early personal computer
The computer that opened the PC age.
Q. On which computer did the World Wide Web begin?
Options: A credit card · GPS navigation · The first web server · A humanoid robot
Answer: The first web server
They say it had a sticker on it: 'Do not power down'.
Q. Which phone was nicknamed 'the brick'?
Options: GPS navigation · The first mobile phone · A zipper · A credit card
Answer: The first mobile phone
It weighed nearly 1 kg.
Q. Which thing is both a phone and a computer?
Options: An arcade machine · A microwave oven · A smartphone · Instant noodles
Answer: A smartphone
It put the world in our hands.
Q. Which computer can you carry around with you?
Options: The first web server · A zipper · An arcade machine · A laptop computer
Answer: A laptop computer
Now people can work anywhere.
Q. Which robot looks like a person?
Options: An arcade machine · A humanoid robot · A drone · A QR code
Answer: A humanoid robot
Robots that walk and talk are real now.
Q. Which uncrewed aircraft flies with several propellers?
Options: The age of television · A 3D printer · A drone · A barcode
Answer: A drone
A flying robot that films and even delivers!
Q. Which machine builds things layer by layer?
Options: An arcade machine · A Rubik's Cube · ENIAC · A 3D printer
Answer: A 3D printer
With a design file, it can make almost anything.
Q. What takes you into a virtual world when you put it on?
Options: The age of television · Penicillin (blue mold) · A VR headset · A flat-screen TV
Answer: A VR headset
Dive right into virtual reality!
Q. Which device shows you the way?
Options: A transistor · A vinyl record · GPS navigation · A 3D printer
Answer: GPS navigation
Satellites tell it where I am.
Q. Which thing holds information in stripes?
Options: A barcode · A VR headset · ENIAC · A transistor
Answer: A barcode
'Beep' — and it's all scanned!
Q. Which thing holds information in a square pattern?
Options: A QR code · A flat-screen TV · The age of television · An arcade machine
Answer: A QR code
Snap it with a smartphone and the information appears.
Q. Which card lets you pay without cash?
Options: A credit card · A 3D printer · An early personal computer · The first mobile phone
Answer: A credit card
The shape of money changed.
Q. What is this photo about?
Options: A barcode · The age of television · A microwave oven · A handheld game console
Answer: A handheld game console
The age of carrying your games around had come.
Q. Which game machine did you feed coins into?
Options: A drone · A credit card · The DNA double helix · An arcade machine
Answer: An arcade machine
It was the start of video games.
Q. What replaced the abacus?
Options: A Rubik's Cube · An electronic calculator · The first mobile phone · A flat-screen TV
Answer: An electronic calculator
Calculations finish at the push of a button.
Q. Which thing has become so thin these days?
Options: A Rubik's Cube · An electronic calculator · A 3D printer · A flat-screen TV
Answer: A flat-screen TV
The old picture tube is just a memory now.
Q. Which thing did families gather around in the 1950s?
Options: The age of television · The first mobile phone · A Rubik's Cube · A 3D printer
Answer: The age of television
TV became the center of the living room.
Q. What is this photo about?
Options: The first web server · A handheld game console · An early personal computer · A vinyl record
Answer: A vinyl record
A kind of record that is popular all over again.
Q. Which machine in a 27 km underground tunnel hunts for the secrets of the universe?
Options: The particle accelerator (LHC) · A humanoid robot · Velcro · A microwave oven
Answer: The particle accelerator (LHC)
It studies matter by crashing tiny particles together.
Q. Which mold gave Fleming the world's first antibiotic?
Options: Penicillin (blue mold) · An arcade machine · The particle accelerator (LHC) · A flat-screen TV
Answer: Penicillin (blue mold)
A mold that saved countless lives.
Q. Which spiral shape is the blueprint of life?
Options: A 3D printer · A VR headset · The DNA double helix · A barcode
Answer: The DNA double helix
Watson and Crick revealed its structure.
Q. Which shot prevents disease?
Options: An early personal computer · The DNA double helix · A vaccine · Instant noodles
Answer: A vaccine
It protects us from infectious diseases.
Q. What is this photo about?
Options: A microwave oven · A ballpoint pen · Velcro · A vaccine
Answer: A ballpoint pen
No more dipping in ink — a revolution!
Q. Which thing sticks and unsticks over and over?
Options: An electronic calculator · Velcro · The age of television · A vinyl record
Answer: Velcro
The idea came from burdock burrs.
Q. What is this photo about?
Options: A zipper · Instant noodles · A vinyl record · A laptop computer
Answer: A zipper
An invention faster than buttons!
Q. What is this photo about?
Options: The first mobile phone · A ballpoint pen · A microwave oven · The age of television
Answer: A microwave oven
'Ding!' and dinner is ready!
Q. Which puzzle has you match up six colors?
Options: A transistor · A smartphone · A Rubik's Cube · The age of television
Answer: A Rubik's Cube
A world-famous toy invented in 1974.
Q. Which quick meal was invented in 1958?
Options: GPS navigation · Instant noodles · An electronic calculator · A microwave oven
Answer: Instant noodles
It became a meal for people all over the world.
Q. Which big airliner was nicknamed 'the Jumbo'?
Options: Concorde · The Boeing 747 · An escalator · A jet engine
Answer: The Boeing 747
It made air travel something everyone could enjoy.
Q. Which airliner flew faster than sound?
Options: Concorde · The Airbus A380 · The Hoover Dam · A helicopter
Answer: Concorde
Paris to New York in three and a half hours.
Q. Which double-decker plane is the world's largest airliner?
Options: A jet engine · The Airbus A380 · A highway · A container port
Answer: The Airbus A380
More than 500 people ride at once.
Q. Which high-speed train is from Japan?
Options: The Shinkansen · A container ship · A maglev train · The Akashi Kaikyo Bridge
Answer: The Shinkansen
It was the world's first high-speed railway, in 1964.
Q. Which train floats and runs on the power of magnets?
Options: A container ship · A maglev train · The Millau Viaduct · The Golden Gate Bridge
Answer: A maglev train
Over 400 km/h, with no wheels at all!
Q. Which ship is loaded up with square boxes?
Options: The Three Gorges Dam · The Hoover Dam · A container ship · A jet engine
Answer: A container ship
It's the star of world trade.
Q. Which place is lined with giant cranes?
Options: A container port · The Golden Gate Bridge · A highway · A helicopter
Answer: A container port
Trade happens here 24 hours a day!
Q. What is this photo about?
Options: The Shinkansen · The Hoover Dam · A maglev train · A helicopter
Answer: A helicopter
It floats on its propeller and can land anywhere.
Q. Which engine made airplanes fast?
Options: A traffic light · A jet engine · The Three Gorges Dam · The Millau Viaduct
Answer: A jet engine
It brought the age of the propeller to an end.
Q. Which ship sails underwater?
Options: A submarine · A container ship · Concorde · The Boeing 747
Answer: A submarine
It can stay underwater for months at a time.
Q. Which thing finds objects using radio waves?
Options: Radar · Concorde · The Golden Gate Bridge · The Hoover Dam
Answer: Radar
It finds even the things you can't see.
Q. What is this photo about?
Options: The Golden Gate Bridge · A container port · A submarine · A traffic light
Answer: A traffic light
The guardian of order on the road!
Q. What is this photo about?
Options: A submarine · The Golden Gate Bridge · An escalator · The Millau Viaduct
Answer: An escalator
Magic stairs that move!
Q. Which road is tangled together in layers?
Options: The Airbus A380 · Concorde · The Shinkansen · A highway
Answer: A highway
It's the blood vessel of the car age.
Q. Which place at the airport directs the airplanes?
Options: A highway · The Golden Gate Bridge · The Millau Viaduct · A control tower
Answer: A control tower
It's the traffic police of the sky.
Q. Which bridge runs across the sea and then into an underwater tunnel?
Options: The Øresund Bridge · The Golden Gate Bridge · The Akashi Kaikyo Bridge · Tower Bridge
Answer: The Øresund Bridge
A bridge-and-tunnel that links Denmark and Sweden.
Q. Which giant suspension bridge is in Japan?
Options: The Shinkansen · A container ship · The Akashi Kaikyo Bridge · A highway
Answer: The Akashi Kaikyo Bridge
It's one of the longest suspension bridges in the world.
Q. Which Chinese dam is the largest in the world?
Options: The Three Gorges Dam · An escalator · The Akashi Kaikyo Bridge · A jet engine
Answer: The Three Gorges Dam
A huge dam that blocks the Yangtze River.
Q. What is this photo about?
Options: Concorde · A container ship · The Golden Gate Bridge · A traffic light
Answer: The Golden Gate Bridge
It's the red symbol of San Francisco.
Q. What is this photo about?
Options: A submarine · Radar · The Airbus A380 · The Hoover Dam
Answer: The Hoover Dam
A huge dam built during the Great Depression.
Q. Which five rings stand for the five continents?
Options: An Antarctic research station · Recycling · The Olympic rings · A polar bear
Answer: The Olympic rings
It's the symbol of the world's sports festival.
Q. Which flame burns all the way through the Games?
Options: The Olympic rings · An Olympic opening ceremony · The Olympic flame · The Sydney Opera House
Answer: The Olympic flame
It's lit in Greece and carried onward.
Q. Which event is stitched with fireworks?
Options: An Olympic opening ceremony · Palm Jumeirah · A polar bear · The euro
Answer: An Olympic opening ceremony
The start of a festival the whole world watches!
Q. Which football festival is held every four years?
Options: The World Cup · The Great Barrier Reef · A polar bear · Palm Jumeirah
Answer: The World Cup
A stage of dreams, with a trophy waiting!
Q. Which concert hall is shaped like seashells?
Options: The Olympic flame · A polar bear · The Sydney Opera House · Palm Jumeirah
Answer: The Sydney Opera House
A masterpiece of 20th-century architecture.
Q. Which building, 828 m tall, is the tallest in the world?
Options: The Olympic rings · The Burj Khalifa · The euro · The Amazon rainforest
Answer: The Burj Khalifa
A tower that rises up above the clouds.
Q. Which New York building did King Kong climb?
Options: The Empire State Building · Electric car charging · Solar power · Mount Everest
Answer: The Empire State Building
It was once the tallest building in the world.
Q. Which mountain has presidents' faces carved into it?
Options: A giant panda · Mount Rushmore · The World Cup · The Olympic flame
Answer: Mount Rushmore
American history carved into the rock.
Q. Which giant Ferris wheel stands beside the Thames?
Options: The Olympic flame · The World Cup · The Empire State Building · The London Eye
Answer: The London Eye
It was built to celebrate the new millennium.
Q. Which artificial island is shaped like a palm tree?
Options: The London Eye · The World Cup · A polar bear · Palm Jumeirah
Answer: Palm Jumeirah
Dubai's miracle out on the sea.
Q. Which animal is the symbol of protecting endangered species?
Options: The Olympic flame · A giant panda · A supermarket · The Empire State Building
Answer: A giant panda
It's the mascot of the nature conservation movement.
Q. Which animal is in danger because of climate change?
Options: A polar bear · The Empire State Building · The euro · The Burj Khalifa
Answer: A polar bear
A polar bear on the melting ice.
Q. Which habit protects the Earth?
Options: Recycling · The Sydney Opera House · A giant panda · The Olympic flame
Answer: Recycling
Even trash can become a resource.
Q. Which thing makes electricity from sunlight?
Options: A supermarket · The euro · Solar power · A giant panda
Answer: Solar power
The age of clean energy!
Q. Which thing makes electricity from the wind?
Options: The Amazon rainforest · A supermarket · The Great Barrier Reef · A wind turbine
Answer: A wind turbine
A power station shaped like a pinwheel.
Q. Which car runs on electricity instead of fuel?
Options: Recycling · Mount Rushmore · Palm Jumeirah · Electric car charging
Answer: Electric car charging
The age of cars with no exhaust fumes!
Q. Which forest is called 'the lungs of the Earth'?
Options: A supermarket · The Amazon rainforest · An Antarctic research station · The World Cup
Answer: The Amazon rainforest
It's a treasure house of the Earth's oxygen.
Q. Which coral reef can be seen even from space?
Options: An Antarctic research station · The Great Barrier Reef · A supermarket · The Sydney Opera House
Answer: The Great Barrier Reef
It's the largest coral reef area in the world.
Q. Which polar research base glows under the aurora?
Options: The Olympic rings · Solar power · An Antarctic research station · The Empire State Building
Answer: An Antarctic research station
Research goes on even in the harshest land.
Q. Which highest peak did humans first climb in 1953?
Options: A giant panda · The Olympic rings · Mount Everest · The World Cup
Answer: Mount Everest
Hillary and Tenzing were the first to climb it.
Q. Which money do many European countries share?
Options: A supermarket · The London Eye · Mount Rushmore · The euro
Answer: The euro
Cross the border and you don't need to change money.
Q. In which shop do you pick things off the shelf yourself?
Options: The Amazon rainforest · Palm Jumeirah · A supermarket · The Empire State Building
Answer: A supermarket
The way we shop for groceries changed.