soil
The process of wind and water breaking apart rock.
weathering
This is rock moving from its original position.
erosion
What layer of soil provides the most nutrients for plants?
topsoil
Which type of soil retains the LEAST amount of water? Gravel, Silt, or Clay
Gravel
Name the missing 3 properties of soil. Composition, Texture, ......
Color, Porosity, Permeability
How many years does it take for 1 inch of soil to form?
500-1,000
What is the top layer of soil called?
topsoil
What do we call a section of Earth that is pulled out and the soil layers are studied?
Soil Profile
What do you call the layers of soil located in a soil profile?
Soil Horizon
Fill in the missing blanks:
1) Large Particle Size = ___________ Permeability
2) Small Particle Size = ___________ Permeability
1) FAST
2) SLOW
What are the three soil particles? name them in order from the largest to the smallest. [gravel is not one]
(biggest ) sand then silt then clay (smallest)
What is the very last rock layer called beneath the soil?
bedrock
To find out which soil is best for water retention, would you choose the beaker with the most water after 5 minutes or the least?
least
Which soil is high in porosity and high in permeability? Sand, Silt, or Clay?
Sand
Give 1 reason why soil is important.
It helps to provide nutrients to plants, which provide oxygen for us
A type of soil containing humus a combination of all 3 soils.
loam
What is another word for how much water soil can hold?
retain (retention)
This type of soil is ideal for growing plants? Mr. Beck loves to say this word.
loam
Which soil is low in porosity and low in permeability? Sand, Silt, or Clay?
Clay
What caused soil formation for much of Ohio?
Glaciers
What soil is the decomposition of leaves and other plant material and organic matter?
humus
What is it called when farmers plant something like grass on their farm during the off-season?
Cover Crops
Which property of soil involves touching the soil between your fingers?
texture
What are the 4 ingredients found in soil?
Minerals, Water, Air, Organic Material
What horizon is made up of sand, silt, and clay but less organic material than topsoil?
Subsoil