Soils 101

Last updated over 5 years ago

10 questions

INSTRUCTIONS: Answer the following questions related to the USDA (Agriculture) article:
https://www.nrcs.usda.gov/wps/portal/nrcs/detail/soils/edu/7thru12/?cid=nrcseprd885606#soil1
(Note: Refer back to the website if you are having difficulty).

Define "soil."

Draggable item		Corresponding Item

Explain how the minerals that primarily compose soil are produced.

USE THE IMAGE TO ANSWER QUESTION 5.

Draggable item		Corresponding Item

What two elements occupy the pore spaces and are essential to the life of soil organisms?

Identify what humus or organic matter is comprised of.

USE THE IMAGE TO ANSWER QUESTION 10.

Draggable item		Corresponding Item
25%		Air
25%		Humus (organic matter)
5%		Minerals
45%		Water

Draggable item		Corresponding Item
Clay		A.
Silt		B.
Sand		C.

Soils 101

Soils 101

Define "soil."

Explain how the minerals that primarily compose soil are produced.

What two elements occupy the pore spaces and are essential to the life of soil organisms?

Identify what humus or organic matter is comprised of.

Define "soil."

The composition of soil is dependent on _____.

Match the average percentage (by volume) with the correct soil ingredient.

Explain how the minerals that primarily compose soil are produced.

Match the mineral particles with the correct particle size.

Of the three, which particle is the most reactive mineral ingredient in the soil?

What two elements occupy the pore spaces and are essential to the life of soil organisms?

Identify what humus or organic matter is comprised of.

Match the characteristic with the correct soil-forming factor.

Sequence the soil horizons in the correct order from the uppermost layer (1) to the lowest layer (6).