Vocabulary
This is the term for the wearing away of a river's bed and banks by the force and friction of flowing water and the material it carries.
erosion
Scientists in this field study the composition, structure, and history of the Earth's solid rock and crust.
geology
The Number of continents on Earth.
7
Originally from the Old World, this spice — often more valuable than gold — was a major motivation for European exploration toward Asia and the Americas.
pepper
Split, Zadar, Pula
Croatia
This measure, published annually by the UN, combines life expectancy, education, and income per capita to rank countries by wellbeing.
HDI
This discipline studies the heredity and variation of organisms, including how traits are passed from parents to offspring.
genetics
Number of Strings on a guitar.
6
This large animal, introduced to the New World by Spanish conquistadors, transformed the cultures of many Native American peoples, especially on the Great Plains.
horse
Ghent, Liège, Bruges
Belgium
This term refers to the outward spread of a city into surrounding rural areas, often resulting in low-density housing, traffic congestion, and loss of green space.
Urban Sprawl
This field examines ecosystems, the relationships between organisms, and their interactions with the environment.
ecology
It's the number of players on the field for one side in a standard soccer match.
11
This New World crop became the economic backbone of colonial plantations and eventually spread worldwide, now consumed in over 170 countries.
Tobacco
Tabriz, Shiraz, Isfahan
Iran
This term describes the capacity of a community to anticipate, prepare for, respond to, and recover from the impacts of a natural hazard.
Resilience
This science sits at the crossroads of biology, chemistry, and physics — studying the chemical processes that occur within and related to living organisms.
biochemistry
It's the number of elements in the periodic table as of today.
118
This South American empire, the largest in pre-Columbian history, stretched over 4,000 miles along the Andes and was conquered by Francisco Pizarro.
Inca
Rosario, Córdoba, Mendoza
Argentina
This is the term for a wide, sweeping bend in a river, typically found in the lower course where the gradient is gentle and lateral erosion dominates.
meander
What entomologists study....
Insects
It's the number of degrees in the interior angles of any triangle — always, without exception.
180
This Old World grain, a staple of European and Asian diets for millennia, was among the first crops brought to the New World and is now the most widely grown cereal on Earth.
Wheat
Christchurch, Dunedin, Hamilton
New Zealand