How Native Americans Changed Their Land
How People Today Change Their Land
Unintended Consequences
100

Why did the Native Americans change their environments?

To meet their needs.

100

Name one of the most famous dams in the United States.

Hoover Dam

100

What do you call the plants and animals that live in a particular place?

Ecosystem

200

What did Native Americans use to clear land for building and farming?

Fire

200

What turns the energy of moving water into electric power?

Hydroelectric Dams

200

A __________ is the home of an animal or a plant.

Habitat

300

How did Native Americans make it easier to catch fish?



They dammed rivers.

300

Name two things the Hoover Dam provides for people in California, Arizona, and Nevada.

Dependable water supply and generates energy.

300

Over time, humans have cleared a lot of land across the world. What do we call the loss of forests?

Deforestation

400

Name two resources from the environment that Native Americans used in order to eat?

Hunted animals, gathered wild plants, nuts, seeds and berries.

400

The Hoover Dam helps control the flow of which river?

The Colorado River

400

_____________ means a type of animal that has died out.

Extinct

500

How did Native Americans water their crops?

They dug canals.

500

_________ has made today's environmental changes even BIGGER!

Technology

500

_______________ means the animal is at risk of becoming extinct.

Endangered