Science worksheets for class 9
Access printable science worksheets for class 9
Which soil component makes up about 5% of an ideal loamy soil?
Water
Organic Matter
Air
Minerals
Which soil component makes up about 45% of an ideal loamy soil?
Water
Organic Matter
Air
Minerals
Which soil component makes up about 25% of an ideal loamy soil?
Water
Organic Matter
Air
Water & Air
Soil sample that is 60% clay, 30% silt, and 10% sand has which texture?
clay
clay loam
sandy loam
silt
Soil sample that is 10% clay, 20% silt, and 70% sand has which texture?
clay
clay loam
sandy loam
silt
What soil conservation method refers to forming steps in a hill to prevent water erosion?
windbreaks
contour plowing
terrace farming
strip cropping
Soil erosion is the process by which the
the land surface(top soil) is removed by wind, water or ice
formation of soil form rocks
rusting of soil
None of the above
What soil type has the greatest aeration?
Sand
Silt
Clay
The process by which land in arid and semi-arid areas becomes more desert like is...
fallow.
desertification.
salinization.
chemical weathering.
When you plant the seeds of the next crop along side the remains of the previous crop (in order to decrease erosion), it is known as...
terracing.
contour plowing.
drip irrigation.
no-till farming.
Salinization is a major issue in all of the following places EXCEPT
Australia
Arizona
North Carolina
California
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