Earth Science
World Leaders
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History
100

This is the layer of Earth on which we live, made up of solid rock and soil

Crust
100

She was the first woman prime minister of the United Kingdom, serving from 1979 to 1990

Margaret Thatcher

100

This many justices currently sit on the Supreme Court 

Nine

100

This ancient city was buried by the eruption of Mount Vesuvius in 79 AD

 Pompeii

200

This process occurs when water vapor cools and turns into liquid water, forming clouds

Condensation

200

This South African leader spent 27 years in prison before becoming president in 1994

Nelson Mandela

200

This is the title given to the head of the Supreme Court 

Chief Justice

200

This 1215 English document limited the power of the king and became an important influence on constitutional government

Magna Carta

300

This is the name for molten rock while it is still beneath Earth's surface

Magma

300

 He was the Soviet leader during much of World War II and the Cold War’s early years

Joseph Stalin

300

She became the first woman to serve as a U.S. Supreme Court justice when she was appointed in 1981

 Sandra Day O'Connor

300

This 1944 Allied invasion began with the landing of troops on the beaches of Normandy, France 

D-Day

400

This layer of Earth's atmosphere contains the ozone layer and is located directly above the troposphere

Stratosphere

400

This Roman dictator famously crossed the Rubicon in 49 BCE, setting off a civil war

Julius Caesar

400

 Supreme Court justices are nominated by this person and confirmed by the Senate

President

400

This treaty formally ended World War I between Germany and the Allied powers

Treaty of Versailles

500

This supercontinent existed roughly 300 million years ago before breaking apart into the continents we know today

Pangea

500

This German chancellor oversaw German reunification in 1990 and was nicknamed the “Iron Chancellor"

Otto von Bismarck

500

He served as Chief Justice from 1953 to 1969 and delivered the unanimous opinion in Brown v. Board of Education

Earl Warren

500

This civilization ruled much of Central and South America before the arrival of Spanish conquistadors

Inca

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