World War One
The assasination of this man led to WWI.
Archduke Franz Ferdinand
Multiplying a decimal by 100 will put your answer in this form.
Percentage
Define a mass extinction.
An event in a short period of geological time that causes the extinction of many different species, resulting in a massive decrease in biodiversity.
The country with the largest nominal GDP in the world was originally a colony of this country.
Britain
This is the upper layer of the Earth that makes up the continents and sea floor.
Crust
The British cruise liner sunk by German U-Boats in 1915 that was a reason for the US getting into the war.
Lusitania
The order of operations.
PEMDAS Parentheses, Exponents, Multiplication and Division, Addition and Subtraction
The meteor that killed the dinosaurs crashed in this country.
Mexico
This country has the most remaining colonies.
France
The inner core of the Earth is in this state of matter.
Solid
The leaders of these three major countries in WWI were cousins.
Britain, Russia, Germany
The prime factors of 27.
3X3X3
This mass extinction was the deadliest in the history of the Earth, wiping about 90% of all species.
Permian Extinction
The three nations of French Indochina.
Vietnam, Laos, Cambodia
The core of the Earth is primarily composed of these elements.
Iron and Nickel
This treaty ended WWI on the eastern front.
Treaty of Brest-Litovsk
Describe the differences between a line, line segment, and ray.
Line - Extends infinitely in both directions with no endpoints. Line Segment - Has two endpoints and has a finite length. Ray - Has one endpoint and extends infinitely in the other direction.
This was the extinction event ending the Carboniferous period.
Carboniferous Rainforest Collapse
This former British dominion is now part of Canada (This is NOT Canada itself).
Newfoundland
The Earth's lithosphere floats on this which is a part of the upper mantle.
Asthenosphere
This was the last major mobile operation on the western front of WWI until 1918. It began near the end of 1914 and ended with the first battle of Ypres.
Race to the Sea
The first derivative of 4x4
16x3
The official name of the extinction wiping out the dinosaurs.
K-T Extinction
The former British colony only borders Senegal.
Gambia
The two most abundant elements in the Earth's crust.
Oxygen and Silicon