Soils 101

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).

1. C horizon
2. O horizon
3. A horizon
4. B horizon
5. R horizon
6. E horizon