Natural Science
This gas makes up about 78% of Earth’s atmosphere.
What is nitrogen?
The value of π (pi) rounded to two decimal places.
What is 3.14?
What word has five letters but sounds like it has one?
What is "queue"?
This country contains more countries within it than any other nation in the world.
What is South Africa?
(It encompasses Lesotho.)
This form of government, developed in ancient Athens, allowed citizens to vote directly on laws.
What is democracy?
This type of rock forms from molten material that has cooled and solidified.
What is igneous rock?
The name for a triangle with all sides equal.
What is an equilateral triangle?
Forward I’m heavy; backward I’m not. What am I?
What is a ton?
This African lake is the world’s second-largest freshwater lake by surface area and is bordered by three countries.
What is Lake Victoria?
(bordered by Uganda, Kenya, Tanzania)
This Greek city-state was known for its military strength and strict social system.
What is Sparta?
This theory explains how Earth’s continents move slowly over the surface of the planet.
What is plate tectonics?
Solve: 3² × 4.
What is 36?
What word begins and ends with an “E” but has only one letter?
What is an envelope?
This mountain range runs along the western edge of South America and includes the highest peak in the hemisphere.
What are the Andes Mountains?
This epic poem tells the story of Odysseus’s long journey home after the Trojan War.
What is The Odyssey?
This organelle is known as the “powerhouse of the cell.”
What is the mitochondrion?
The term for a number that can be divided only by 1 and itself.
What is a prime number?
I speak without a mouth and hear without ears. What am I?
What is an echo?
This strait connects the Black Sea to the Sea of Marmara and separates Europe from Asia.
What is the Bosporus Strait?
This Roman structure, still standing today, was used for gladiator games and public spectacles.
What is the Colosseum?
This cycle describes the continuous movement of water through evaporation, condensation, and precipitation.
What is the water cycle (or hydrologic cycle)>
If a rectangle has a length of 8 and width of 3, what is its area?
What is 24?
I have keys but no locks,
I have space but no room,
You can enter, but you can’t go outside.
What am I?
What is a keyboard?
This country is the only one in the world that spans four hemispheres (Northern, Southern, Eastern, and Western).
What is Kiribati?
(in Oceania)
These Roman structures used gravity to carry fresh water over long distances to cities, often using arches.
What are aqueducts?