Food around the world
This Korean fermented cabbage dish is often considered the national dish of Korea.
The pH of a neutral solution at 25°C is this value.
This scientist proposed the three laws of motion.
Isaac Newton
The city of Auckland is located in this country
New Zealand
This invention by Alexander Graham Bell changed communication forever
The telephone
This technology uses satellites to determine location
GPS
This spice, derived from the stigma of a flower, is the world's most expensive spice by weight.
Saffron
This SI unit measures the amount of substance.
mole
The speed of light in a vacuum is approximately this many kilometers per second.
300,000 km/s
This line of latitude divides the Earth into Northern and Southern Hemispheres.
The Equator
This mold led Alexander Fleming to one of medicine's greatest discoveries.
Penicillin
This desert covers much of northern Africa.
Sahara
This pungent Southeast Asian fruit is banned in many hotels and public transit systems.
Durian
This statistic describes the spread of repeated measurements around their average value.
Standard deviation
This layer of Earth's atmosphere contains the ozone layer.
Stratosphere
This strait separates Russia from Alaska
Bering Strait
The Wright brothers invented this machine
Airplane
This planet rotates so slowly that one day is longer than one year
Venus
This fermented soybean product, commonly eaten in Japan, is known for its strong aroma and sticky texture.
Natto
This process removes dissolved contaminants by forcing water through a semi-permeable membrane.
Reverse osmosis
This scientist developed the theory of evolution by natural selection.
Charles Darwin
This imaginary line at roughly 180° longitude is where calendar days change
The International date line
This invention by Alfred Nobel led to the creation of the Nobel Prizes.
Dynamite (TNT)
The only letter not found on the periodic table
J
This Spanish rice dish originated in Valencia and is often cooked in a wide shallow pan.
Paella
This law states that pressure and volume are inversely proportional at constant temperature
Boyle's Law
This microscopic marine organism produces roughly half of Earth's oxygen through photosynthesis.
Phytoplankton
Mount Kilimanjaro is located in this country
Tanzania
This non-stick coating was accidentally discovered in 1938 when a gas used in refrigeration polymerized inside a pressurized cylinder.
Teflon (PTFE)
This country has the most natural lakes in the world
Canada