A long period of extreme cold that caused large area's of Earth's water to freeze.
What is the Ice Age?
100
an object that some made in the past.
What is artifact?
100
The snake-like mound found near Hillsboro, Ohio. It was built more than 1,00 years ago.
What is Great Serpent Mound?
100
Their empire rose in South America. They conquered peoples to take their land. They built thousands of roads to link their capital Cuzco. Had the worlds fastest communication system.
What is the Inca?
100
As many as 300,000 people lived there.
What is the Aztecs.
200
Formed thick layers of ice.
What is glaciers?
200
People who study artifacts of people who lived long ago and draw conclusions from them.
What is Archaelogists?
200
Their culture began about 3,000 years ago and lasted about 2,500 years. They were farmers and trade was important to them.
What is Mound Builers?
200
Settled in present day Mexico about 3,000 years ago. These people farmed and when they had a surplus they learned to specialize in basket weaving or jewelry making.
What is the Aztec?
200
A group of lands and peoples ruled by one leader.
What is an empire?
300
Occurred about 20,000 years ago.
What is the Ice Age?
300
A possible explanation.
What is theory?
300
Another farming group whose name means "the old ones". They were located in the Four Corners region.
What is the Anasazi?
300
A building with 3 or more sides shaped like triangles that slant toward a point on top.
What is a pyramid?
300
The practice of holding people against their will and taking away their freedom.
What is slavery?
400
The ocean levels dropped and created an opening from Asia to North America.
What is the Bering Strait?
400
An activity done for a special purpose or event, such as a birth, wedding, or death.
What is a ceremony?
400
This Anasazi community is in present-day Colorado. It is a large village built into steep cliffs. The largest building in this community is Cliff Palace.
What is Mesa Verde?
400
Were the first to use the number 0 and were skilled in mathematics. They developed an extremely accurate calendar.
What is the Mayans?
400
The payment demanded by rulers from the people they ruled.
What is tribute?
500
To move to the Americas between 40,000 to 10,000 years ago.
What is migrate?
500
A culture with organized systems of government, religion, and learning.
What is a civilization?
500
Live in what is now Canada. Their name means "the people". They hunted whales, walruses, and seals in the Arctic waters.
What is the Inuit?
500
They were instructed by one of their gods to settle in an area when they saw an eagle holding a snake in its beak sitting on a cactus.
What is the Aztecs?
500
They created "floating gardens" and terraces for farmland. They also developed an irrigation system.