Causes of the Dust Bowl

What incorrect belief did farmers have that contributed to the Dust Bowl?

• Trees are harmful to crops

• Rain will increase with more plowing

• Crops don't need water to grow

• Soil doesn't need to rest

What was a major cause of the Dust Bowl in the 1930s?

• Decrease in farming land

• Frequent heavy rainfall

• Introduction of new crops

• Overuse of agricultural machinery

Tags

NGSS.MS-ESS2-2

Which area was not significantly affected by the Dust Bowl?

• Panhandles of Texas and Oklahoma

• Western Kansas

• Eastern New York

• Large portions of Colorado and New Mexico

What nickname was given to the severe dust storms?

• Grey Gusts

• White Whirlwinds

• Black Blizzards

• Brown Bombs

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS3-2

How much did the Dust Bowl region's precipitation decrease during the 1930s?

• 30-40%

• 15-25%

• 45-55%

• 5-10%

Tags

NGSS.MS-ESS2-5

What was the purpose of planting over 200 million trees from Texas to Canada?

• To produce more oxygen

• To block the wind and hold soil

• To increase rainfall

• For future lumber needs

What was one of the conservation techniques taught to farmers?

• Deep plowing

• Crop rotation

• Using more fertilizers

• Removing trees

What was the government's payment to farmers for practicing conservation techniques?

• 10 dollars an acre

• 1 dollar an acre

• 5 dollars an acre

• 50 cents an acre