Download Erosion

Bust a move!
Let’s start our review with this…
Rock Cycle Song
Weathering and Erosion in 60 Seconds
Think About These:
Water
Wind
Ice
Erosion and weathering change rocks and
land formations. What changes do you see?
What is Erosion?
Erosion is defined as removal of rocks
and soil by wind, water, ice and gravity
 Wind, water, ice and gravity are also
known as the agents of erosion
 Sediment is material moved by erosion
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Weathering vs. Erosion
Weathering involves two processes
Physical and Chemical
Often work together to break down rocks
Both processes occur in place
No movement is involved in weathering
Deposition
Happens where
agents of erosion
deposit sediment
Wind Erosion
Wind can carry material from one place to
another (especially sand & clay)
As wind blows, it picks up small particles of
sand/sediment and blasts large rocks, cutting
and shaping the rock
Intensity of wind erosion is determined by:
Sum (amount of sand), Speed, Slope, & Surface
Wind Erosion
Water Erosion
Water Erosion
Ice Erosion
Glaciers wear down landscape, picking
up & carrying debris across the land
along with ice
Glaciers pick up & carry sediment that
ranges in size from sand grains to
boulders bigger than houses
Moving like a bulldozer, a single glacier
can move millions of tons of material
How much erosion takes place is
determined by the: Sum (Glaciers are
massive!), Slope, Speed, and Surface
Ice Erosion
A Cycle of Many Pathways
Forces deep
inside Earth and
at the surface
produce a slow
cycle that builds,
destroys, and
changes the rocks
in the crust.
Igneous Rock
Igneous rock comes from cooled magma and
lava. What are some names of igneous rock?
Sedimentary Rock
Pieces of rock erode and pile up in layers
to create sedimentary rocks. This is where
you can find fossils. What other types of
rock are sedimentary rocks?
Metamorphic Rocks
Metamorphic rock are sedimentary or igneous
rocks that have been changed under pressure
while deep in the crust of the earth. What
kinds of rocks are metamorphic rock?
Rock Types
Rock Collection
Take the quiz and record your score on Identify Rock
Types
Review and take notes about the Rock Cycle
Take the Rock Cycle Quiz
Take notes on Interesting Facts about
Erosion (if the information is already in your notes you do not have
• Collect the rocks and take notes on
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to write it down again, but it must be important if you have seen it more than
one time…..)
Study Jams
Write down vocabulary, watch video or slide show and
take notes, and take test (record how you did in your
notes)
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Weathering and Erosion
Sedimentary
Igneous Rock
Metamorphic Rock
Rock Cycle
Sedimentary Rock
Minerals