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WorksheetsSoil Horizons & Formation
Total questions: 10
Worksheet time: 5mins
Unweathered bedrock
O Horizon
A Horizon
B Horizon
C Horizon
R Horizon
Organic materials dominate this horizon
O Horizon
A Horizon
B Horizon
C Horizon
R Horizon
When you buy topsoil, you are buying this horizon
O Horizon
A Horizon
B Horizon
C Horizon
R Horizon
What is the correct order of horizons?
OABECD
OAEBCR
OABCER
OABCDE
Climate can affect the soil formation in an area.
True
False
About how long does it take to form 1 cm of soil?
250 years
2000 years
10 years
250 million years
Young soil forms before the bedrock rock is weathered.
True
False
Which biome has the thickest A horizon?
Temperate Forest
Rainforest
Desert
Grasslands
Why doesn't the rainforest have a thick O horizon?
This is wrong, it does have a thick O Horizon
Things decay too quickly and are recycled.
There is not enough rainfall.
What is the arrangement of soil horizons called? (What did you make in class?)
Soil Layers
Horizon Columns
Soil Profile
Horizon Layers
