Plant Agriculture

The ecosystem in the western Plains of the United States is best described as a ​ (a)   .  The precipitation there, compared to the eastern United States,  is ​ (b)   .  The temperature is best

 

described as  ​ (c)   .  Farming in the area began with the invention of the ​ (d)  

 

• Temperate Grassland
• low
• Seasonal
• Steel plow
• Temperate Desert
• Deciduous Forest
• Savanna
• high
• tractor

The most-produced crop in the western plains of the US at the beginning of the 20^th century was​ (a)   . 

 

Unfortunately, a massive drought struck the region, resulting in a tremendous amount of

 

​ (b)   the carried layers of topsoil miles and miles away.

 

• winter wheat
• wind erosion
• corn
• green beans
• banannas
• water erosion
• forest fires
• flooding

Tags

NGSS.MS-ESS2-2

Many early farmers of the Western U.S. plains believed a theory called “Rain Follows the Plow.”  What was the problem with this theory?

• Farming actually makes it rain less, not more.

• The climate at the time farming took place was not any different than normal

• The usually high precipitation during this period of early farming and settling was a coincidence.

• This theory is actually true.  Farming and settling an area makes it rain more frequently.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Which of these is false about the three staple crops?

• They make up the majority (about two-thirds) of human consumption.

• Corn (maize) is a staple crop.

• Rice is a staple crop.

• At least one of the staple crops is an animal product.

The 10% rule applies to raising plants and animals on a farm, just like in an ecosystem.  With that in mind, how many pounds of grain would you expect to be needed to produce 10 pounds of beef?

• 10 pounds of grain.

• 50 pounds of grain.

• 100 pounds of grain.

• Over 250 pounds of grain.

Tags

NGSS.MS-LS2-3

What soil conservation technique is shown to the right?

• Terracing

• Contour plowing

• Monoculture

• A windbreak

Which one of these techniques would be the best for reducing water erosion on farmland that is along a steep hillside?

• Terracing

• Contour plowing

• Strip cropping

• A windbreak

The Great Plains Shelterbelt was one of the public works programs instituted by Franklin Delano Roosevelt following the dust bowl.  This is an massive example of …

• Terracing

• Contour plowing

• Strip cropping

• A windbreak

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Only found in forests and includes leaf litter and other non-decomposed organic matter.

• A Horizon

• B Horizon

• C Horizon

• O Horizon

• Parent Material

The clay-rich layer left behind after the dust storms of the Dust Bowl.

• A Horizon

• B Horizon

• C Horizon

• O Horizon

• Parent Material