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