Migration

The act of moving to a new region

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To​ migrate is to move to a different region.

Long period of time of extreme cold that affected the earth.

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The temperatures where a threat to human survival.

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The climate became cold and dry.​

The ice sheets created strips of dry land that connected the continents and led to constant travel among clans.

​People were forced to move.

1. They would move to more food and water.

2. They would move to look for a warmer climate.​

1. Land that was underwater was now above water. These are called land bridges.

2. ​Frozen water allowed humans to walk on it.

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Anthropologists are people who study human behavior, human biology, and human societies.

Archaeologists study material remains.

-historical science that studies the past

-uses artifacts, ruins, and fossils to unlock clues about the past

-Carbon-14 dating is used to give the age

A primary source is something created by a person who participated in or saw an event in the past. Artifacts are primary sources. They are objects made in the past by people who used them. 

Do you have a primary source at your home?

​Was this artifact MADE in the past? If the answer is yes, it is a primary source

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We can also use secondary sources to learn about life in the past. Secondary sources are materials prepared by people who did not participate in or see events for themselves. These people can study a primary source to help them find out information to create their secondary source. 

What is secondary source that you know of? 

Ask yourself...​

Was this artifact MADE now? If the answer is yes, it is a secondary source.​

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Historians use primary sources like artifacts to build a picture of life in the past. When they create other documents or objects, like the teepee, totem, or painting in the museum, these become secondary sources. Primary and secondary sources shape our understanding of the past.