Soil and Soil Lab
By Sue O'Bannon
starstarstarstarstar
Last updated over 1 year ago
21 Questions
1
1.
Plants get carbon for growth from the
1
2.
Plants get nitrogen from the
1
3.
The most important thing plants need is energy, which they get from the
1
4.
What is the definition of soil?
1
5.
What is the difference between mechanical and chemical erosion?
1
6.
Examples of erosion of rock include (select all that apply)
1
7.
How does soil form?
1
8.
List two minerals found in soil.
1
9.
List two living organisms that would be found in healthy soil.
1
10.
What is porosity, and how does it impact water movement?
1
11.
Place the following in order of size, with the first being the smallest. (This may require some googling)
1
12.
What would be the perfect soil mixture, and why?
1
13.
What is cation exchange capability, and how do clay particles and organic material impact it?
1
14.
What is compaction? How does it occur, and why does it cause problems for plants?
1
15.
Explain what salinization is, and why it occurs. In your answer please explain why watering with groundwater has a different effect on the soil than rainwater.
1
16.
Is soil renewable or nonrenewable? Explain why or why not.
1
17.
Match the part of soil to the "sphere" to which it belongs.
arrow_right_alt | hydrosphere | |
arrow_right_alt | lithosphere | |
arrow_right_alt | atmosphere | |
arrow_right_alt | biosphere |
1
18.
This rich layer of topsoil is the _______ horizon.
1
19.
The leaf litter and detritus above the topsoil is the _______ horizon.
1
20.
This is the _______ horizon, full of clay and minerals but lacking organic matter.
1
21.
This is the _______ horizon, the parent material, also known as _______ .