This number is the only prime number that is even
What is 2?
This country gained its independence in 1776
What is America?
This planet is known for its ability to have life and water. Its name rhymes with "birth"
This element is 1st on the periodic table, the most abundant in the universe
What is hydrogen?
This playwright wrote Romeo and Juliet
Who is Shakespeare?
This number is equivalent to 5 + 10 / 2
What is 10?
This capital of Italy is known for its prominent empire
What is Rome?
This planet used to be a planet but is now a dwarf planet
What is Pluto?
This element is 6th on the periodic table, and is the base for all beings. It is said that silicon could be the base for others, but this element has 4 bonds, allowing to operate very well
What is Carbon?
This author wrote Dog Man and Captain Underpants
Who is Dav Pilkey?
This number is 16% of 25
What is 4?
This country had old civilizations like Mohenjo Daro and Harappa, and now contains the highest population in the world, with 1.4 billion people.
This planet is known for its hot and cold atmosphere, being extremely close to the sun
What is Mercury?
This element is the vast majority of the Earth's atmosphere
This number is the the lowest "perfect" number, where all its divisors added equals the number
What is 6?
This capital of Ukraine has been the place of many a war
What is Kyiv?
This concept is known as a suction vacuum in space that even light cannot escape
What are black holes?
This element helps to build up bones
What is calcium?
This author wrote The Grapes of Wrath
Who is Steinbeck?
What is 1/6?
This capital of Burkina Faso is a capital of a country
What is Ouagadougou?
This constant is an approximation to estimate the number of active communicative civilizations out there. It is equivalent to
What is the Drake Constant?
This is the lightest element whose isotopes are radioactive
What is technetium?
This ancient Greek god of the sun once rode up in a chariot
Who is Helios?