Transcript Soil and Rapid Changes Review

Soil and Rapid
Changes Review
The breaking down of rock is called
A. sedimentation
B. weathering
C. flow
D. growth
Why can floods be helpful?
A. They can bring rich soil into an
area.
B. They damage many homes and
roads.
C. They make the Earth’s mantle
stronger.
D. They form new islands in the
ocean.
What is melted rock that has
erupted from a volcano called
when it reaches the surface?
A.
B.
C.
D.
lava
plate
crust
magma
What happens when living things
decompose?
A.
B.
C.
D.
They store up fat for the winter.
They grow healthy and strong.
They have babies.
Their parts break down into soil.
What happens during weathering?
A. Animals move to warm places for
the winter
B. Rocks crack and break into smaller
pieces
C. Water and wind carry away rocks
and soil
D. Bodies of ice travel slowly across
land
A landslide is a rapid movement of rocks
and soil down a slope. Which would best
describes how a landslide might change
the surface of the Earth?
A. increasing the flow of water over
hills
B. creating lakes at the bottoms of
hills
C. carving out valleys between hills
D. removing Earth material from hills
Which is the best description of
how soil forms?
A. Rocks weather into tiny bits over
time and mix with humus to form
soil.
B. Plant nutrients turn minerals into
soil.
C. Fossil fuels combine to make soil.
D. Oil seeps to the surface and turns
into soil.
How do you think this was formed?
A. Sand blew against the rock to change its
shape.
B. Fire burned through the rock and made a
hole.
C. Animals dug a large hole through the rock.
D. A plant’s roots grew into the rock and broke
What can be done to a rock to turn
it to the beginning stages of soil?
A. Place it on the table
B. Put in in the closet
C. Hit it with a hammer
D. Flip it upside down
In addition to rock, what are the
main components of soil?
A.
B.
C.
D.
bacteria and microbes
mushroom and other fungi
worms and insects
plant and animal remains
Landslides and avalanches are
similar in that theyA. carve out valleys and river beds
B. quickly move large amounts of
material
C. are the result of heat from within
the Earth
D. build rock layers to create
mountains
What can cause earthquakes?
A. Waves travel across the seas and
break on land.
B. Tectonic plates push and slip past
each other.
C. Strong winds can push apart pieces
of land.
D. Heavy rains make rivers overflow
their banks.
Both magma and lava are molten
rocks. How are they different?
A. Magma is underground and lava is
on the surface.
B. Magma can cool to form hills but
lava cannot form hills.
C. Lava is very cold and hard and
magma is very hot.
D. Lava flows to the mangle and
magma flows to the crust.
Which of the following forces would most
likely cause the surface of the Earth to
change the quickest?
A. Formation of soil from the
weathering of rocks
B. An earthquake that cause a
mountain to topple or crumble
C. The widening of a river bank from
water erosion
D. Deposition of sediments that build
up a delta
What are the 4 components of soil?
A. clay, loam, silt, sand
B. rocks, sediment, ingenious, and
metamorphic
C. air, water, humus, and bits of rock
Lava from a volcanic eruption can
A.
B.
C.
D.
create a tornado
carve valleys slowly
make oceans freeze
form new land
Which sentence about volcanoes is true?
A. Volcanoes do not erupt or form new
islands.
B. Volcanoes can spit out ash, molten
rock, and gas.
C. Volcanoes are all active and can
erupt at any time.
D. Volcanoes does not give good soil
for farming.
Which part of soil has bits of
dead plants and animals?
A.
B.
C.
D.
bedrock
clay
humus
roots
What most likely caused a change to the
Earth’s surface in the picture below?
A.
B.
C.
D.
wind
volcano
earthquake
glacier
The continuous breaking down of rock
will lead to the formation of what
A.
B.
C.
D.
water
soil
minerals
coal