Houghton Mifflin Social Studies
Chapter 4, Lesson 1: People Come to the Americas (pp. 80-83)
I. From Asia to the Americas
B. Because the ocean was so low, a land strip connected Asia to the Americas.
C. When temperatures rose, the glaciers melted and covered the land bridge with water.
II. From Hunting to Farming
B. When the climate got warmer during the Paleo-Indian epoch, large animals died out, and people hunted smaller animals with better weapons.
C. During the Archaic epoch, Americans Indians fished in boats, gathered wild nuts and berries, and planted crops.
D. Many different kinds of cultures developed during the Postarchaic epoch.
Lesson at a Glance Outline
A. Many thousands of years ago glaciers froze ocean water, lowering the level of the ocean.
A. During the Beringian epoch, the first Americans hunted large animals like woolly mammoths.
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