Quick maths
This is 15% of 200.
What is 30?
This organelle is responsible for producing most of the ATP in eukaryotic cells.
What is the mitochondria?
This ship famously sank on its maiden voyage in April 1912.
What is the Titanic?
This planet in our solar system is famous for its prominent rings.
What is Saturn?
This is known as the largest desert in the world.
What is Antarctica?
The radius of a circle doubles. Its area increases by this factor.
What is four times?
This type of blood cell transports oxygen throughout the body using hemoglobin.
What is a red blood cell (erythrocyte)?
This French military leader became emperor in 1804.
Who is Napoleon Bonaparte?
This sea creature has rectangular pupils and can regenerate entire limbs.
What is an octopus?
This South American country is home to the majority of the Amazon rainforest.
What is Brazil?
A rectangle has a length of 12 and a width of 5. This is its diagonal length (corner to opposite corner).
What is 13?
In DNA, adenine pairs with this nitrogenous base.
What is thymine?
This 1215 English document limited the power of the king and became an important influence on constitutional government.
What is the Magna Carta?
This country has the most pyramids in the world.
What is Sudan?
This river is the longest river in North America.
What is the Missouri river?
This measure of central tendency is generally less affected by extreme outliers than the mean.
What is the median?
These proteins speed up biochemical reactions without being consumed in the process.
What are enzymes?
This ancient civilization developed a sophisticated road network and administrative system across much of the Andes before the Spanish conquest.
What is the Inca Empire?
This is the direction that tornados spin in the northern hemisphere.
What is counter-clockwise?
This strait separates the Asian and North American continents at their closest point.
What is the Bering Strait?
In a group of 10 people, everyone shakes hands with every other person exactly once. This is the total number of handshakes.
What is 45?
This organelle modifies and packages proteins for transport to other parts of the cell or outside it.
What is the Golgi apparatus?
This 1919 treaty officially ended the state of war between Germany and the Allied Powers after World War I.
What is the Treaty of Versailles?
This famous structure in India was commissioned by Shah Jahan as a mausoleum for his wife, Mumtaz Mahal.
What is the Taj Mahal?
This is the world's largest landlocked country by area.
What is Kazakhstan?