Science
This organ in the human body filters waste from the blood.
What are the kidneys?
This startup was acquired by Facebook for $1 billion in 2012 and became the 4th most downloaded app in the 2010s.
What is Instagram?
This skyscraper, completed in 1931, was once the highest skyscraper in the world and is located in New York City.
What is the Empire State Building?
This term is used to describe an angle greater than 90 degrees but less than 180 degrees.
What is "obtuse?"
This mathematician's work on orbital mechanics was critical to NASA's success in bringing up astronauts to the moon during the Apollo missions.
Who is Katherine Johnson?
This process occurs when an object's state of matter changes from solid to gas.
What is sublimation?
This programming language, named after a type of coffee from Indonesia, was developed by James Gosling at Sun Microsystems.
What is Java?
This canal, completed in 1825, was the first navigable waterway in the United States from the Atlantic Ocean to the Great Lakes.
What is the Erie canal?
This ancient Greek mathematician is infamous for shouting "Eureka!" once he figured out how to determine whether or not the king's crown was made out of pure gold.
Who is Archimedes?
This British primatologist is known for her groundbreaking research on chimpanzee behavior in Tanzania’s Gombe Stream National Park.
Who is Jane Goodall?
Named after an influential English scientist, this unit is used to measure force.
What is a Newton?
This animal was born in 1996 and represented human's first successful attempt at cloning.
Who is Dolly the Ewe?
This "engineering marvel" sits over the Colorado River and generates hydroelectic power from Lake Mead.
What is the Hoover Dam?
This famous mathematician and philosopher developed the Cartesian coordinate system and is known for the famous phrase "I think, therefore I am."
Who is Rene Descartes?
This pioneering computer scientist wrote the first algorithm intended to be processed by a machine, making her one of the first computer programmers.
Who is Ada Lovelace?
This layer of Earth's atmosphere is where most meteorites burn up upon entering.
What is the mesosphere?
This Pixar film was the last one to be released on VHS and the first one to be released on the brand-new Blu-Ray technology.
What is "Cars?"
This metal is an alloy of carbon and iron.
What is steel?
This statistical measure of central tendency represents the middle value in a data set when the numbers are arranged from smallest to largest.
What is the median?
This marine biologist and conservationist is best known for her book Silent Spring, which helped launch the environmental movement.
Who is Rachel Carson?
This stage of a star's life cycle occurs after a giant or supergiant star explodes.
What is a supernova?
This technology company gained massive popularity with its release of the "RAZR" cellphone in 2004.
What is Motorola?
This block sits at the top of a masonry arch to lock the other blocks in place.
What is a keystone?
In mathematical physics, this quantity combined with the three-dimensional Eucildean space composes the Minkowski space.
What is time?
This American astrophysicist and cosmologist contributed to our understanding of dark matter through her work on galaxy rotation curves.