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15 Cards in this Set

  • Front
  • Back
3 main theories of how the first people came to North America
LAND BRIDGE THEORY
EARLY ARRIVAL THEORY
ORIGIN STORIES THEORY
huge, slow-moving sheets of ice that largely covered the earth during the Ice Age
GLACIERS
a possible explanaiton of why or how something happened
THEORY
scientists who study the cultures of humans who lived long ago
ARCHEOLOGISTS
objects made by ancient people, when found, can help scientist understand the past
ARTIFACTS
a relative of someone who lived long ago
ANCESTOR
the person living today who is related to an ancestor
DESCENDANT
people of long ago who did not have a settled home but wandered about in search of food, usually hunting after animal herds
NOMADS
what was the main food source of ancient Americans?
GIANT ANIMAL SUCH AS THE WOOLY MAMMOTHS, MASTODONS, AND SABRE-TOOTHED TIGERS PROVIDED MEAT, SHELTER, AND CLOTHING
the latest design or invention used to accomplish a task
TECHNOLOGY
spears with a sharpened Clovis point of a tip

atlatl spear that allowed a hunter to throw with great force against the giant animals
ANCIENT AMERICAN TECHNOLOGY
the dying out of a species of animal or other living thing
EXTINCT
why did the ancient animals become extinct?
THE ICE AGE ENDED, THE EARTH BECAME, WARMER, MANY PLANTS THAT THE ANCIENT ANIMALS ATE NO LONGER GREW, AND THE ANIMALS DIED BECAUSE THEY HAD NO FOOD SOURCE
some ancient Americans learned how to plant seeds and grow their own food which became the beginning of _____________________.
AGRICULTURE
what were the main food sources of the Northwest?
LITTLE AGRICULTURE, MUCH HUNTING, FISHING, WHALING