Changing the Environment

Changing of the environment to meet the needs of people or to help them do their jobs.

A path that runs under something.

A waterway dug across land.

Giant steps cut into hillsides for the purpose of farming.

The moving of water to dry areas when a farmer's fields are located far away from a source of water.

Huge structires to hold back water.

A human made lake used for collecting and storing water.

People change their __________ to speed up transportation by building __________, highways, __________, and railroads.

The __________ __________ lets high speed trains travel under the waterway between __________ and __________.

The __________ __________ cuts across the narrow strip of land that connects __________ and __________ America.

A __________ is a structure built to allow people and vehicles to move over water.

People modify land for farming by building __________ and __________, using ___________, and clearing the land. Farmers build fences for raising __________.

People create _________ to get minerals from the Earth's surface. They get stone from under the earth to build ___________ when they mine.

If people have to spend a long time driving around a mountain, workers might build a __________ through the mountain as a ___________.

Communities modify the environment to control the flow of water. People build dams to use __________.

Water falling though dams turns machines that produce __________. This is called __________ power.

Wind __________ also produce electricity.

People make changes to both ___________ and __________ to meet their __________ or do their __________.