Who invented the light bulb in 1879?
Vincent van Gogh
Alexander Graham Bell
Thomas Edison
What is the smallest country in the world?
Maldives
East Timor
Vatican City
The words “the,” “an,” and “a,” are known as what in English grammar?
adjectives
auxiliaries
articles
What is the longest river in the world?
The Amazone
The Mekong
The Nile
What is the largest country in the world?
India
China
Russia
What is the southernmost continent called?
Africa
Antarctica
the North Pole
What is the largest organ in the human body?
skin
lungs
intestine
What is the closest planet to the Sun?
Venus
Neptune
Mercury
What species can live on both water and land?
amphibians
fish
birds
How many grams are there in a thousand kilograms?
one billion
one hundred
one million
What is the minimum age for a U.S. President?
40 years or older
35 years or older
30 years or older
What number is the Roman numeral XVI?
15
14
16
Which language is mostly spoken in South America?
French
Spanish
English
What country invented the fireworks in the 7th century?
Korea
China
Japan
What ancient civilization built the Machu Picchu complex in Peru?
The Thai
The Egyptian
The Incas
