WorksheetsSoil
Total questions: 22
Worksheet time: 12mins
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.
What is soil?
Weathering forms the rocks and minerals
A mixture of rock, mineral particles and organic matter.
The layers in the soil profile used to classify soil types.
Organic material in soil comes from living things such as plant and animal remains
How is soil formed? Check all that apply!
Weathering forms the rocks and minerals of soil
A mixture of rock, mineral particles and organic matter.
The layers in the soil profile used to classify soil types.
Organic material in soil comes from living things such as plant and animal remains
What is a soil profile?
Weathering forms the rocks and minerals
A mixture of rock, mineral particles and organic matter.
The layers in the soil profile used to classify soil types.
Is a vertical cross section of soil.
What is a soil horizon?
Weathering forms the rocks and minerals
A mixture of rock, mineral particles and organic matter.
The layers in the soil profile used to classify soil types.
Is a vertical cross section of soil.
Made of solid rock & nothing lives in the layer
A Horizon
C Horizon
Bedrock
O horizon
B Horizon
What living things are in soil?
Earth worms
Sand
Silt
Loam
The dark top layer of soil is called?
Bedrock
Top soil
Subsoil
Roots
The layer of soil just under the topsoil is called _______.
Subsoil
Humus
Clay
Rock
Which of the following is NOT one of the three types of soil?
Sand
Silt
Clay
Mud
Are there minerals in soil?
Yes
No
Water gets into the cracks of rock and freezes, causing the rock to break. What is this an example of?
Erosion
Weathering
Wind blowing dirt and sand through the air is an example of...
Erosion
Weatheringh
Which layer is the parent material?
Horizon O
Horizon A
Horizon B
Horizon C
Horizon R
Which layer is the subsoil?
Horizon O
Horizon A
Horizon B
Horizon C
Horizon R
Which soil sample would be least permeable?
