WorksheetsSoil Profile
Total questions: 10
Worksheet time: 5mins
Soil is made of:
pieces of rock
air and water
matter that was once alive
all of the above
Which layer of soil has low organic material and has clay in the form of aluminum and iron compounds?
Topsoil
Bedrock
Subsoil
Which layer of soil contains lots of roots and minerals for growing plants?
Topsoil
Subsoil
Bedrock
True or False: The layers of soil go in this order: Topsoil, bedrock, subsoil.
True
False
Which layer of soil is on bottom?
Topsoil
Subsoil
Bedrock
Consists of topsoil (mostly sand and some clay) rich in humus (O horizon) and leached soil deficient in humus and minerals.
Soil horizon is horizontal. Soil profile is vertical?
true
false
What is HUMUS made from?
The remains of decayed plants.
Both
The remains of decayed animals.
Which soil layer consists of clay, iron oxides, and other components that came form the zone of leaching?
E horizon
A Horizon
B Horizon
O Horizon
The light colored, leached horizon.
A Horizon
O Horizon
Bedrock
E Horizon
