Learn on PengiIMPACT California Social Studies, Grade 5Chapter 1: The Land and People Before Columbus

Lesson 1: How Did the Characteristics of Early American Indian Groups Develop?

In this Grade 5 lesson from IMPACT California Social Studies Chapter 1, students explore how early American Indian groups developed by examining the migration of hunter-gatherers across the Beringia land bridge from Asia into the Americas. Students learn key concepts including the role of archaeologists and artifacts, the transition from hunter-gatherer societies to farming cultures, and the rise of the Olmec and Maya civilizations through food surpluses, trade networks, and achievements like hieroglyphs and calendar systems. The lesson builds foundational knowledge of pre-Columbian peoples and the geographic and environmental factors that shaped their cultures.

Section 1

How the First Peoples Arrived in the Americas

About 20,000 years ago, during the last Ice Age, much of the world's water was frozen into huge glaciers. This process uncovered a wide strip of land that connected Asia and North America. This land bridge is now called Beringia.

Groups of hunter-gatherers from Asia followed herds of large animals, like mammoths, across this land. These people depended on hunting animals and gathering plants for their food.

Over many centuries, these early peoples migrated south. They spread throughout North and South America, adapting to new environments and becoming the first Americans.

Section 2

Archaeologists Uncover the Past

Key Idea

How do we know about people who lived thousands of years ago? Archaeologists study ancient objects, or artifacts, to piece together the past. They dig up tools, bones, and other remains left behind by early humans. These clues help tell the story of the first Americans.

In New Mexico, archaeologists found unique stone spear points. They named the people who made them the Clovis people. For a long time, scientists believed these people were the first to live in the Americas.

Section 3

Early Peoples Develop Agriculture

Key Idea

For thousands of years, early peoples moved from place to place to hunt animals and gather plants. Over time, some groups learned how to plant seeds and grow their own food. This new way of life was called agriculture.

Farming allowed people to stay in one place and grow more food than they needed. This extra food, or surplus, meant that not everyone had to be a farmer.

Section 4

The Maya Build a Great Civilization

Key Idea

In Mesoamerica, the Maya civilization grew powerful. They built large cities with tall stone pyramids that served as temples. These cities became centers for government and religion.

The Maya developed a system of writing using pictures called hieroglyphs and created a very accurate calendar. After A.D. 900, many of their great cities were abandoned. The civilization declined, but the Maya people continued to live in the region.

Lesson overview

Expand to review the lesson summary and core properties.

Expand

Section 1

How the First Peoples Arrived in the Americas

About 20,000 years ago, during the last Ice Age, much of the world's water was frozen into huge glaciers. This process uncovered a wide strip of land that connected Asia and North America. This land bridge is now called Beringia.

Groups of hunter-gatherers from Asia followed herds of large animals, like mammoths, across this land. These people depended on hunting animals and gathering plants for their food.

Over many centuries, these early peoples migrated south. They spread throughout North and South America, adapting to new environments and becoming the first Americans.

Section 2

Archaeologists Uncover the Past

Key Idea

How do we know about people who lived thousands of years ago? Archaeologists study ancient objects, or artifacts, to piece together the past. They dig up tools, bones, and other remains left behind by early humans. These clues help tell the story of the first Americans.

In New Mexico, archaeologists found unique stone spear points. They named the people who made them the Clovis people. For a long time, scientists believed these people were the first to live in the Americas.

Section 3

Early Peoples Develop Agriculture

Key Idea

For thousands of years, early peoples moved from place to place to hunt animals and gather plants. Over time, some groups learned how to plant seeds and grow their own food. This new way of life was called agriculture.

Farming allowed people to stay in one place and grow more food than they needed. This extra food, or surplus, meant that not everyone had to be a farmer.

Section 4

The Maya Build a Great Civilization

Key Idea

In Mesoamerica, the Maya civilization grew powerful. They built large cities with tall stone pyramids that served as temples. These cities became centers for government and religion.

The Maya developed a system of writing using pictures called hieroglyphs and created a very accurate calendar. After A.D. 900, many of their great cities were abandoned. The civilization declined, but the Maya people continued to live in the region.