Riddles
I speak without a mouth and hear without ears. Who am I?
An echo
Capital city of Canada?
Ottawa
Who discovered America in 1492?
Christopher Columbus
Which country is the largest in the world?
Russia
What planet is known as the Red Planet?
Mars
The more you take, the more you leave behind. What is that?
Footsteps
Capital city of Argentina?
Buenos Aires
Who was the first president of the USA?
George Washington
Whitch river flows through Egypt?
The Nile river
Who painted the Mona Lisa?
Leonardo da Vinci
I have cities but no houses, forests but no trees, and rivers but no water. What am I?
A map
Mount Fuji
Which empire build the Colosseum?
The Roman Empire
What is the smallest country in the world?
Vatican City
What is the rarest blood type in humans?
AB negative
The more of me you take, the bigger I get. What am I?
A hole
Capital city of Australia?
Who discovered gravity when an apple fell on his head?
Isaac Newton
What is the currency of Japan?
Yen
What is the chemical formula for table salt?
NaCl
What can travel around the world while staying in the same place?
A stamp
What is the longest river in South America?
Amazon river
Which wall fell in 1989?
The Berlin Wall
I fly without wings. What am I?
Time
What is the term for animals that are active at night?
Nocturnal animals