Particle Size
Soil Profile
Composition
Permeability and pore space
All About Soil
100
This particle of soil is the smallest
What is clay?
100
The top layer of the soil profile (darkest layer)
What is the topsoil?
100
"Good soil" is made up of equal amounts __________ and ___________.
What are humus and weathered rock material?
100
An example of this would be water flowing through soil at a rate of 20 ml per 2 minutes.
What is permeability?
100
_____________ provides support and nutrients for plant growth.
What is soil?
200

List the three particle sizes in order from biggest to smallest.

What is sand, silt, clay?

200
Animals and organisms can be found in this layer of soil.
What is the topsoil?
200
Decayed organic matter in soil
What is humus?
200

The process that moves transported soil from it's initial location to it's new location. 

What is erosion?

200
One way to prevent erosion of (to conserve) soil
What is planting trees OR crops OR grass?
300

The largest size of a grain of sand

What is 2 mm?

300
Leaching begins at this layer in the soil
What is the topsoil?
300
Composition of a "rich" soil would contain this.
What is humus?
300

The ability of water to flow against gravity

What is capillary action?

300

What are two main components of climate? 

What are Temperature and Precipitation

400

Name of soil that is located over it's original parent material

What is residual soil?

400
True or False: the soil profiles in different areas of the United States and around the Earth look different (thinner/thicker topsoils etc.)
True
400
If there is a drought, instead of water being abundant in the cracks between soil particles, ________ would take its place.
What is air?
400
________ is the measure of the acidity or alkalinity of a solution numerically.
What is pH?
400
List sand, clay, and sandy loam (silt) in order of most permeable to least permeable.
What is sand, sandy loam (silt), clay?
500
The sand, silt, and clay portion of soil comes from...
What is weathered bedrock?
500

The last layer of soil to form

What is subsoil?

500

The three main factors in determining soil type. 

What are climate, plants and composition?

500

Particle size and how tightly packed together the soil particles are in comparison to one another determine how _________ the soil is.

What is permeable?

500

The principle that states the oldest layer of rock or soil are located on the bottom of a sample and the newest layers are on the top. 

What is Law of Superposition?

M
e
n
u