Transcript Weathering and Soil Review Game

Weathering
and Soil
Review Game
What do you call rain
combined with
pollutants?
Acid Rain
What do you call a
rock that contains
tiny, connected spaces
through which water
can move?
Permeable
What does humus do
to soil?
Makes it fertile
What two factors
determine the rate of
weathering?
Type of rock
and
climate
What kind of
weathering is caused
by the actions of
animals?
Mechanical
weathering
What do you call the
series of processes
that slowly change
rocks from one kind to
another?
Rock Cycle
What agent of
chemical weathering
combines with water
to form carbonic acid?
Carbon dioxide
A mineral must be
formed by natural or
manufactured
processes to be
considered a mineral?
natural
Does chemical
weathering change
the chemical makeup
of the weathered
rocks?
yes
Weathering due to a
release of pressure is
called what?
Mechanical
weathering
Where is the rate of
chemical weathering
the fastest – in hot,
wet climates or cold,
dry climates?
Hot, wet climates
What do you call the
loose layer of leaves
on the surface of the
soil?
litter
How long did it take
for the thick, fertile
soil of North American
prairies to develop?
Thousands of years
What can cause the
loss of soil that is not
protected by plant
cover?
Erosion by water or
wind
What effect did
plowing the grass into
the soil have on the
Great Plains during
the 1930s?
Helped cause
the Dust Bowl
What term describes
the management of
soil to prevent its
destruction?
Soil conservation
What do you call the
practice of plowing
fields along the curves
of a slope?
Contour plowing
In conservation
plowing why do they
leave dead weeds and
such on the ground?
To retain moisture
and hold the soil in
one place
What do living
organisms in soil help
with?
Mixing the soil and
make up humus
What do you call the
organisms that break
down and digest the
remains of dead
organisms?
Decomposers
Who does most of the
work mixing humus
with soil?
earthworms
Why is soil a valuable
resource?
It is important to all
living things on land
What kind of
weathering causes the
mineral composition of
rocks to change?
Chemical weathering
When a rock with iron
becomes soft and
crumbly, and reddish
brown what has
probably occurred?
Exposed to oxygen
Why does permeable
rock weather easily?
It contains many
small connected
airspaces
What do Earthworms
contribute to the soil
when they excrete
waste and leave
behind their dead
bodies ?
humus
What do you call the
geological principle
that operates today as
well as in the past?
Uniformitarianism
What do you call the
agent of mechanical
weathering that
grinds rock particles
together?
abrasion
What two things occur
that cause ice
wedging?
Freezing and thawing
What kind of rock
cools magma below
the surface or lava at
the surface of the
earth?
igneous
What do you call a
hard colorful mineral
that is brilliant or has
a glossy luster?
gemstone
What do you call a
repeating pattern of
mineral’s particles?
crystal
Why are brick, steel,
and glass made from
substances in the
earth but not
classified as minerals?
They are not naturally
occurring