Library

Soil and Soil Lab

By Sue O'Bannon
Last updated over 2 years ago
21 Questions

Plants get carbon for growth from the

Plants get nitrogen from the

The most important thing plants need is energy, which they get from the

What is the definition of soil?

What is the difference between mechanical and chemical erosion?

Examples of erosion of rock include (select all that apply)

How does soil form?

List two minerals found in soil.

List two living organisms that would be found in healthy soil.

What is porosity, and how does it impact water movement?

Place the following in order of size, with the first being the smallest. (This may require some googling)

  1. sand particle
  2. bacteria
  3. mold spore
  4. clay particle
  5. baby earthworm
  6. silt particle

What would be the perfect soil mixture, and why?

What is cation exchange capability, and how do clay particles and organic material impact it?

What is compaction? How does it occur, and why does it cause problems for plants?

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.

Is soil renewable or nonrenewable? Explain why or why not.

Match the part of soil to the "sphere" to which it belongs.

oxygen
hydrosphere
water
lithosphere
bacteria, fungi
atmosphere
rocks/minerals
biosphere
This rich layer of topsoil is the _______ horizon.
The leaf litter and detritus above the topsoil is the _______ horizon.
This is the _______ horizon, full of clay and minerals but lacking organic matter.
This is the _______ horizon, the parent material, also known as _______ .