A_4: Dust Bowl and Wind Erosion

Hillsides are sometimes terraced to grow plants. What is the purpose of using terraces?

• to keep roots from spreading

• to increase wind erosion

• to retain soil and water

• to provide protection from animals

Tags

NGSS.MS-ETS1-3

Which of the following causes of the Dust Bowl were due to HUMAN IMPACT?

1. Over-tilling the land

2. Severe heat and drought for almost a decade

3. Overgrazing of farm animals

4. High winds in the area

• All answer options

• 1 and 3

• 1, 2, and 3

• 1 and 2

Tags

NGSS.MS-ESS3-4

Which soil conservation practice aims to keep nutrients in the soil?

• no-tilling farming

• crop rotation

• contour plowing on hillsides

• terracing hillside farms

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NGSS.MS-LS2-5

The rate of soil erosion will be higher in a field of crops planted in rows than in a field covered with grass because

• grass grows lower to the ground than most crops

• more soil is exposed to wind and water

• most crops grow lower to the ground than grass

• less soil is exposed to wind and water

Tags

NGSS.MS-ESS2-2

Severe ________ played an important part in the creation of the Dust Bowl.

• droughts
• rainfall
• tornados
• thunderstorms

Tags

NGSS.MS-ESS2-4

Poor farming practices (techniques) caused soil __________.

• preservation
• erosion
• retention
• production

Tags

NGSS.MS-ESS3-4

What crop did most farmers in the Great Plains grow?

• corn
• lettuce
• wheat
• plums

Which of the following are Great Plains states? There can be more than one answer.

• Texas

• Oklahoma

• Kansas

• Idaho

The Dust Bowl occurred during what decade?

• 1930's

• 1940's

• 1920's

• 1950's

Tags

NGSS.MS-ESS3-4

"Dust pneumonia" was caused by

• breathing in dust that was in the air.
• cleaning the house too often.
• herding cattle into filthy barns.
• sleeping under the bed.