Transcript Jeopardy

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Ground level
What is the top
layer composed
mainly of
decaying organic
material?
soil
What is a loose mixture
of rock fragments,
organic material, water ,
and air that can support
the growth of vegetation?
humus
organic material formed
in soil from the
decayed remains of
animals and plants
loam
Soil that is made up of
equal parts of sand,
clay, water, and leaves
Benefits of soil
What are these 3 key points?
Provides minerals and
nutrients for plants
-Provides a habitat for
animals
-Provides a storage for water
for plants
weathering
What is the process
that breaks down
rock into sediments
that add to the
composition of the soil?
Erosion
in mountains
and hills
What is it that causes the
gradual wearing
of the sharp peaks and steep
sides of hillsides and mountains
over long periods of time?
deposition
What is the process in
which eroded rock and
material is laid down or
deposited called?
waves
What is most
likely to cause
beach erosion?
erosion
What is the process by which
wind, water, ice, or gravity
transport soil and sediment
from one location to another?
Soil conservation
What is the method to
maintain fertility of the soil
by protecting it from
erosion and nutrient loss?
terracing
How do you
prevent erosion
on steep hills by
heavy rains?
Allow natural
vegetation to grow
What do people do to
slow down and
decrease erosion of the
Earth’s surface?
-Planting cover crops
-crop rotation
-contour plowing
-terracing
How can farmers
decrease the erosion
of agricultural
lands?
Land degradation
What did overgrazing,
over farming and water
erosion cause?
glaciers
What causes glaciers to move ?
leaching
What is the removal of
substances that can be
dissolved from rock or
layers of soil due to the
passing of water?
weathering
What is the process by
which rocks are broken
down by mechanical or
chemical processes?
gravity
What causes all mass movements
such as landslides,
avalanches, slumps, and creep?
Water erosion
When a silt fence is put
in place to prevent the
silt from being
removed, what is this
preventing?
Horizon R
What layer or
horizon is solid,
bedrock?
Horizon B
What layer or horizon
is the subsoil, this is the
layer that roots of
plants grow deep into
it?
Horizon O
What is your dark
layer or horizon
that is composed of
litter, humus, and
organic matter?
Horizon C
What is the layer of
horizon that is the
weathered parent
material?
Horizon A
What layer or horizon
is where the topsoil is
found, and contains
humus and organic
matter?
Ice, wind, water, gravity,
plants, and animals
What are all
the agents
of mechanical weathering?
Water expands as
it freezes
Which property of
water causes
mechanical
weathering?
Wind blows sand
and silt
against rock and
wears it away
What is abrasion?
A sugar cube dissolved
after a few minutes when
dropped in a glass of
water
What happens to show
chemical weathering with
a sugar cube and a glass of water?
oxidation
What is it called when
oxygen in the air combines
with iron and there is a
chemical reaction?(or
chemical weathering, it
forms an oxide, rust)
Make your wager
Final Answer
Final Question