early humans and the agricultural revolution powerpt
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EARLY HUMANS AND THE AGRICULTURAL REVOLUTION
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The Paleolithic Age, also known as the Old Stone Age, began about 2.5 million years ago. It lasted until about 8000 B.C.
Lesson 1: Hunter- Gatherers
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Paleolithic people were nomads who survived by hunting and gathering their food.
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During the Paleolithic Age, people discovered how to make fire. They developed better tools and spoken language.
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About 100,000 B.C. the most recent Ice Age began.
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During the Ice Age, the level of water in the oceans went down. As a result, a land bridge was revealed connecting Asia and North America.
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Humans survived the Ice Age by adapting to their surroundings. They changed their diet, built sturdier shelters, and used animal skins to make warmer clothing.
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LESSON 2: THE AGRICULTURAL REVOLUTION
The Neolithic Age began around 8000 B.C., at the end of the Last Ice Age, and lasted until around 4000 B.C.
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During the Neolithic Age, farming began to replace hunting and gathering. People also tamed animals. The move to settled farming is known as the Agricultural Revolution.
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An increased supply of food made it possible for people to settle in villages.
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People were able to take up jobs other than farming.
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At the end of the Neolithic Age, people discovered that mixing copper and tin formed bronze, which was stronger than copper alone.
Tin Copper Bronze
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Between 3000 and 1200 B.C., the use of bronze spread. This time is known as the Bronze Age.
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Four great river valley civilizations emerged during the Bronze Age-Mesopotamia, Egypt, India, and China.
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Each of these early civilizations developed cities and formed governments.
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Religion began to play a more important role in society. Societies were divided into social classes. Writing systems were invented, and art grew more complex.