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