Social Studies Mid-Term

Country once connected to the Americas by a land bridge

Ocean water frozen into massive ice sheets

Land bridge that once joined Siberia to present-day Alaska

Ancient stones, tools, weapons, baskets, and carvings

People who moved from place to place, mainly in search of food

Huge animal with shaggy fur and long tusks, hunted by early Americans

Long pole with a sharp point used to hunt bison and other animals

Mass movement of people into a new homeland

Early form of corn, first raised in Mexico about 9,000 years ago

Scientific method used to determine the age of a bone or piece of wood

Early Americans

- farmed for food - sculpted stone monuments - settled along gulf coast

- farmed for food - settled in steamy rain forests - society fuled by religion - built system of roads - settled along Gulf coast - developed hieroglyphics - cities surrounded by pyramids - Priests studied astronomy and created a calendar

- farmed for food - society ruled by religion - worshipped a sun god - settled an island in Lake Texcoco - strong military force - built Tenochtitlan - conquered nearly all rivals - riests studied astronomy and created a calendar

- farmed for food - largest of early civilizations - worshipped a sun god - strong military force - developed quipus to keep records - built system of roads - settled in western highlands of South America - cut terraces into slopes - Cuzco was its capital city