Soil Unit Question Preview (ID: 12835)


Soil Unit Review. TEACHERS: click here for quick copy question ID numbers.

A soil that is rich in nutrients and has the right conditions to grow plants is...
a) erosion
b) just right
c) fertile
d) humus

Cutting wide, flat planting areas into the sides of steep hills or mountains is...
a) crop rotation
b) terracing
c) strip cropping
d) contour plowing

Farmers and gardeners practice __________ because they know the importance of saving soil.
a) soil conservation
b) plowing
c) weathering
d) erosion

Planting crops between rows of other crops to help hold soil in place is known as...
a) crop rotation
b) terracing
c) strip cropping
d) contour plowing

Movement of rock pieces or soil from place to place is...
a) weathering
b) delta
c) runoff
d) erosion

Controlling soil loss by plowing around a hill instead of up and down is known as...
a) crop rotation
b) terracing
c) strip cropping
d) contour plowing

The process of rocks being broken up into smaller pieces is called...
a) weathering
b) humus
c) runoff
d) erosion

Rotting plant and animal materials that are part of topsoil are called...
a) rotting
b) byproducts
c) humus
d) erosion

Soil is made up of...
a) weathered rock and erosion
b) fertilizers and minerals
c) weathered rock and humus
d) nitrogen and humus

The three layers of soil are topsoil, subsoil, and...
a) surface rock
b) weathering rocks
c) rock particles
d) bedrock

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