Transcript A horizon - Tomball FFA

Soils Review Game
Question 1 – 10 points
Soils that originated
from rock material are
called __________.
Question 1 – 10 points
Soils that originated
from rock material are
called __________.
Inorganic
Question 2 – 10 points
The process of weathering
rocks is extremely ______,
and occurs over a period of
thousands of years.
Question 2 – 10 points
The process of weathering
rocks is extremely ______,
and occurs over a period of
thousands of years.
Slow
Question 3 – 10 points
___________ is the
major force moving soil
from one place to another.
Question 3 – 10 points
___________ is the
major force moving soil
from one place to another.
Water
Question 4 – 10 points
The earth has a thin
coating of material that is
called ______.
Question 4 – 10 points
The earth has a thin
coating of material that is
called ______.
Soil
Question 5 – 10 points
The texture of the soil
refers to the ______ of
the individual soil
particles.
Question 5 – 10 points
The texture of the soil
refers to the ______ of
the individual soil
particles.
Size
Question 6 – 20 points
Organic soil is the result of
a buildup of _______
materials.
Question 6 – 20 points
Organic soil is the result of
a buildup of _______
materials.
Plant(Living)
Question 7 – 20 points
Organic soils are some of
the world’s most
_________ soils.
Question 7 – 20 points
Organic soils are some of
the world’s most
_________ soils.
Productive or Fertile
Question 8 – 20 points
What is another word for
organic matter in the soil?
Question 8 – 20 points
What is another word for
organic matter in the soil?
Humus
Question 9 – 20 points
What does the pH in the
soil indicate?
Question 9 – 20 points
What does the pH in the
soil indicate?
Acid content
Question 10 – 20 points
The mass of large boulders,
small rocks, sand, silt, and
clay from glaciers is called
______.
Question 10 – 20 points
The mass of large boulders,
small rocks, sand, silt, and
clay from glaciers is called
______.
Till
Question 11 – 30 points
Plants that host nitrogen
fixing bacteria are called
__________.
Question 11 – 30 points
Plants that host nitrogen
fixing bacteria are called
__________.
Legumes
Question 12 – 30 points
What is the area of the soil
called that contains the
roots of plants?
Question 12 – 30 points
What is the area of the soil
called that contains the
roots of plants?
Rhizosphere
Question 13 – 30 points
Soils formed by the action
of wind are called
_______.
Question 13 – 30 points
Soils formed by the action
of wind are called
_______.
Eolian
Question 14 – 30 points
Fungi are plant-like organisms
that contain no _______ and
play an important role in the
breakdown and decay of plant
materials.
Question 14 – 30 points
Fungi are plant-like organisms
that contain no _______ and
play an important role in the
breakdown and decay of plant
materials.
Chlorophyll
Question 15 – 30 points
Soils formed by the action of
glaciers creating fine particles of
clay and silt and deposited by
the wind are called _______.
Question 15 – 30 points
Soils formed by the action of
glaciers creating fine particles of
clay and silt and deposited by
the wind are called _______.
Loess
Bonus Question – 60 points
Use the soil triangle to identify
the following soil type.
50% sand
10% silt
40% clay
Bonus Question – 60 points
Use the soil triangle to identify
the following soil type.
50% sand
10% silt
40% clay
SANDY CLAY
Question 16 – 40 points
The horizon where leached
materials gather.
Question 16 – 40 points
The horizon where leached
materials gather.
B horizon
Question 17 – 40 points
The horizon that contains
the parent material.
Question 17 – 40 points
The horizon that contains
the parent material.
C horizon
Question 18 – 40 points
The horizon where plant
roots grow.
Question 18 – 40 points
The horizon where plant
roots grow.
O horizon
Question 19 – 40 points
The horizon that is
considered topsoil.
Question 19 – 40 points
The horizon that is
considered topsoil.
A horizon
Question 20 – 40 points
The horizon that contains
bedrock.
Question 20 – 40 points
The horizon that contains
bedrock.
R horizon
Question 21 – 50 points
The horizon of topsoil
where little organic
material is leached out.
Question 21 – 50 points
The horizon of topsoil
where little organic
material is leached out.
E horizon
Question 22 – 50 points
Name the two broad
categories of soil.
Question 22 – 50 points
Name the two broad
categories of soil.
Organic and Inorganic
Question 23 – 50 points
The process of soil
particles being moved by
ice, wind, or water.
Question 23 – 50 points
The process of soil
particles being moved by
ice, wind, or water.
Erosion
Question 24 – 50 points
List the three types of soil
that make up loam soil.
Question 24 – 50 points
List the three types of soil
that make up loam soil.
Sand, Silt, and Clay
Question 25 – 50 points
Why are silt and clay
important in the soil?
Question 25 – 50 points
Why are silt and clay important in
the soil?
 Slow down water movement
for plants to absorb
 Adhere nutrients for plant
use
Bonus Question – 60 points
Use the soil triangle to identify
the following soil type.
10% sand
45% silt
45% clay
Bonus Question – 60 points
Use the soil triangle to identify
the following soil type.
10% sand
45% silt
45% clay
Silty Clay