20 questions
What is leaching and how does it affect soil make up?
Leaching brings materials to the top of the soil surface.
Leaching brings materials deeper into the soil.
Prairie lands tend to have more organic matter in the soil make up compared to tropical forest, why is this?
Less Ground Cover
More Ground Cover
Grass Roots populate under the soil
Leaf matter is essential to soil health
How do bare rocks break down into soil layers?
Which IS NOT one of the five factors that operated during the process of soil formation?
Parent Material
Chemical
Life
Topography
Time
What are the three types of rocks that make up soil
Igneous
Sedimentary
Metamorphic
Sedimorphic
Lava
Organisms that live in the soil that affect soil formation are?
Plants
Insects
Microbes
Soil change over time in response to their environment through four process called:
Additions
Losses
Translocations
Transformations
Divisions
True or False: Soil isn't a renewable resource as it takes several years to create.
True
False
True or False: Freezing of the rocks weakens and fractures them as the season changes.
True
False
True or False: Igneous rocks are created by molten materials and make up most of the earth's crust.
True
False
The parent material is found in which Horizon?
D
R
C
O
True or False: Temperature can affect the chemical reaction in soils, the lower the temp the faster the reaction.
True
False
A dug-up section of soil from the surface to the deepest roots is called ______.
Organic Body
Pedon
Polypedon
Soil Layers
Structure that affects Leaching, Chemical reaction and Types of Vegetation
Topography
Slope
Terracing
Polypedon
True or False: Soils in warmer climates tend to possess low organic matter as warm weather increases the speed of decay and loss of organic matter.
True
False
This type of physical weathering in rocks happens when water freezes and expands.
Temperature wedging
Wind wedging
Frost wedging
Cooling wedging
Chemical weathering can happen due to:
Solution, Hydrolysis, Freezing
Freezing, Solution, Oxidation
Oxidation, Hydrolysis, Capping
Solution, Oxidation, Hydrolysis
True or False: Sedimentary rock is a combination of Metamorphic and Igneous rocks that have been altered by heat or pressure.
True
False
The proper way to write a subdivision layer that resembles both A and B horizons but is more like A, is:
AB
A
A+
Ab
Match up the soil horizons with their descriptions:
Considered the Topsoil | O Horizon | ||
Organic layer made of of decayed plants | A Horizon | ||
Called Subsoil and low in Organic Matter | E Horizon | ||
Layer that is lighter in color | B Horizon | ||
The parent material is found here | C Horizon |