Geography
History
Science
Technology
Maths
100
  • This landlocked country in South America is bordered by Brazil, Argentina, and Bolivia.

Paraguay

100
  • This historical movement in 14th-to-17th century Europe marked a sudden rebirth of art, literature, and learning.

(the Renaissance)

100

This chemical bond involves the sharing of electron pairs between atoms.

(  covalent bond)

100
  • This step-by-step procedure or set of rules is used by computers to solve problems or perform calculations.

( an algorithm)

100
  • This branch of mathematics deals with the rates of change and the accumulation of quantities using derivatives and integrals.

( calculus)

200
  • 200: This narrow strip of land connects two larger landmasses and separates two bodies of water, such as in Panama.

(an isthmus)

200

This treaty signed in 1919 officially brought World War I to an end and placed severe reparations on Germany.

( the Treaty of Versailles)

200

This energy is stored within an object due to its position, shape, or state, before it is converted into motion.

(potential energy)

200
  • This open-source operating system kernel, created by Linus Torvalds in 1991, powers most servers and Android smartphones.

(Linux)

200
  • In statistics, this measure represents the middle value in a ordered dataset, dividing it into two equal halves.

( the median)

300
  • 300: This ocean trench in the Western Pacific is the deepest known point in Earth's oceans.

( the Mariana Trench)

300
  • This Chinese imperial dynasty, famous for its blue-and-white porcelain, ruled China from 1368 to 1644.

( the Ming Dynasty)

300

This organelle within eukaryotic cells is often dubbed the "powerhouse of the cell" because it generates ATP.

( the mitochondrion / mitochondria)

300
  • This form of data encryption ensures that only the sender and intended recipient can read readable messages, preventing interception.

(end-to-end encryption)

300
  • This theorem states that in a right-angled triangle, the square of the hypotenuse equals the sum of the squares of the other two sides.

(Pythagorean Theorem)

400

 This term describes a group or chain of islands, such as Hawaii or the Maldives.

( an archipelago)

400
  • This 19th-century geopolitical struggle for domination in Central Asia involved the British and Russian Empires.

(the Great Game)

400

This astronomical event occurs when a massive star collapses under its own gravity at the end of its life cycle and explodes

( a supernova)

400
  • This type of computing relies on quantum bits or "qubits" to process complex computations exponentially faster than classical computers.

(quantum computing)

400
  • This sequence of numbers follows a pattern where each term is the sum of the two preceding ones, starting from 0 and 1.

(the Fibonacci sequence)

500

This line of longitude located at  passes through Greenwich, England, serving as the reference point for time zones.

(the Prime Meridian)

500
  • This famous charter signed by King John of England in 1215 limited royal power and established basic legal rights.

(the Magna Carta)

500
  • This phenomenon describes light or sound waves changing frequency as the source moves closer to or further from an observer.

( Doppler Effect)

500
  • This field of engineering involves creating micro-scale devices operating at a structural scale of 1 to 100 nanometers.

( nanotechnology)

500
  • This mathematical concept describes a line that continuously approaches a given curve but never touches it.

( an asymptote)

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