The Great Plains

How many miles is the Great Plains of North America?

• More than 100

• More than one thousand

• Less than one million

• More than 1,000,000

What are the natural events that affect the Great Plains the most?

• Floods and earthquakes

• Droughts and blizzards

• Blizzards and earthquakes

• Droughts and floods

Scientists believe that seas covered the Great Plains about _______ million years ago.

What is located in South Dakota and Wyoming that tower above the surrounding plains.

• The Magical Prairie

• Ogallala Aquifer

• The Black Hills

• Caprock Canyon

What is not one effect when there are droughts in the Great Plains?

• Fish swim to other areas.

• Shrimp, crabs, and lobsters will die when the water is low.

• Birds, beavers, and other animals leave the area.

• The birds will come to eat the fish when the water is low.

More than 12,000 years ago, there were early Native Americans living there who were mostly _________ people.

Which explores came to the Great Plains to trade horses with the Native Americans?

• Spanish

• English

• French

• Canadians

Why was the period of the 1930s called the Dust Bowl?

• Many animals could not eat in the bowl of the lake, it was all dusty.

• The crops died and the soil could not stay in place so it blew away.

• There was alot of sand that was blowing all around.

• The drought cause the grass to die off and the wind blew it away.

What is not one of the activities settlers from the United States did?

• Used fertilizers and toxic sprays.

• Hunted bison on foot.

• Plowed up large areas of grassland.

• Grazed a lot of livestock.

Which animal is one of the most endangered animal in North America?

• horses

• mussels

• black-footed ferret

• prairie dog