Changing the Land and Water Management

Front

Hoover Dam and its significance

Back

The Hoover Dam was built on the Colorado River in the 1930s. It created Lake Mead, provides electricity, and supplies water to southern California, Arizona, Nevada, and other areas.

Front

How the Hoover Dam helps people

Back

The Hoover Dam provides a dependable water supply for southern California and Arizona and generates enough energy for 1.3 million people in Nevada, Arizona, and California.

Front

Role of bridges in changing the land

Back

Bridges make it easier for people to cross waterways, connecting different areas and improving transportation.

Front

Why water is hard to find in desert regions

Back

Deserts have limited water sources, so people must bring water to live and work there. Technology like canals helps transport water to farms and homes.

Front

Stop and Check activity

Back

It asks students to compare and contrast how early Native Americans affected their environment and how people do so today, and to find details for their graphic organizer.

Front

Illustration showing water sources, canals, pipes, and irrigation systems in desert areas

Back

The diagram explains how water is transported from a major water source, through canals and pipes, to irrigate crops and provide water for farm animals in desert regions.

Front

People use resources around them to survive.

Back

Humans rely on the environment for survival, using its resources to meet their needs.

Front

Some Native Americans used mud or clay bricks to build homes.

Back

Mud and clay bricks were materials used by Native Americans for constructing homes.

Front

Some Native Americans used wood and bundles of grass to build homes.

Back

Wood and grass were common materials for building homes among Native Americans.

Front

Native Americans used resources from their environment in different ways across the country.

Back

The use of resources varied among Native Americans depending on their location.