For the soil profiles below, label the horizons (A, B, or C) and the parent material in each of the soil profiles using the spaces provided next to each image.
1
1
Question 1
1.
Question 2
2.
Question 3
3.
Question 4
4.
Question 5
5.
Question 7
7.
At the base of each profile, number the profiles according to the proper sequence of development.
Question 8
8.
Match each soil profile (A,B, or C) to the graph that would most likely represent the profile. Write the letter of the matching profile in the space provided with each graph.
Which layer in the diagram below contains the most organic material?
A
B
C
the bedrock
How is soil created from rock?
Physical weathering without chemical weather
chemical weathering without physical weathering
erosion without weathering
weathering without erosion
Approximately how many years does one centimeter of topsoil take to form?
110-400 years
10 - 40 years
1000 - 4000 years
10,000 - 40, 000 years
Which of the following is found in the greatest % (percent) of soil?
Mineral matter
Organic matter
Water
Air
Which layer of a soil profile forms first from the bedrock?
