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LANDFORMS AND
OCEANS
Science Standard 5-3
The student will demonstrate an
understanding of features,
processes, and change...
5-3.1 Explain how natural
processes (including weathering,
erosion, deposition, landslides,
volcanic eruptions, earthquake...
What are
constructive
forces?
Constructive forces
are processes that
create or build up
landforms.
What are
destructive
forces?
Destructive forces
are processes that
destroy or wear
down landforms.
What are some
examples of
landforms?
pinker.wjh.harvard.edu/.../Grand%20Canyon.htm
gsbwww.uchicago.edu/.../porcupines.html
media.vacationeasttennessee.org/pfoutdoorattr...
Two Forces

• Constructive:
Building up an
existing landform or
forming a new one

This building is being CONSTRUCTED.

•D...
What are natural
processes?
How do they affect
land and oceans?
Weathering
This is a destructive force and
can be chemical or physical. It
causes the surface of the earth
to dissolve, de...
Weathering
• Weathering: A slow, destructive
process that breaks rocks into smaller
pieces called sediment.
Erosion
This is a destructive force. It is
the movement of sediments
and soil by wind, water, and
gravity.
Erosion
• The movement of materials away from
one place.
• Erosion is destructive.
Erosion
Tune: "Jingle Bells"
Running down a hill
Or coming down as snow,
Water causes much
Erosion, this we know.
Wave act...
Deposition
This is a constructive force. It
builds up new land by dropping
or depositing sediments via
water, wind, or ice...
Landslide
This is a destructive force. This
is a mass movement of land
due to gravity. Landslides even
occur in the ocean ...
Landslide
Landslides
can cause
buildings to
fall, or power
and gas lines
to break.
Volcanic Eruption
This is a constructive force. During
an eruption, melted rock rises
from deep within the earth and
reach...
Volcanic Eruption
Seamounts are
volcanoes
that are built
up under the
ocean.
Earthquake
This is a destructive force.
Earthquakes are vibrations or a
shaking of the ground caused
by energy that is rel...
Earthquake
Earthquakes under the ocean
can cause huge waves
(tsunamis) that cause great
damage if they come ashore.
Flood
This is both a destructive force and
a constructive force. Floods occur
when a large amount of water
covers land tha...
5-3.2 Illustrate the geologic
landforms of the ocean floor:
*continental shelf
*continental slope
*mid-ocean ridge
*rift z...
Journey to Bottom of the
Ocean
We will begin our journey where land
meets the ocean.
Do you know where we are?
Yes. At the beach.
Beaches are the fastest...
Continental Shelf
• The continental shelf is where the edge
of the continent slopes down from the
shore into the ocean.
• ...
Continental Slope
• The continental slope is a steep drop-off
at the edge of the shelf.
• It drops to the bottom of the oc...
Mid-Ocean Ridges
• A mountain range on the ocean floor.
• Some of these mountains are volcanic.
• Volcanic mountains that ...
For more information on the ridges, visit
http://www.waterencyclopedia.com/MiOc/Mid-Ocean-Ridges.html
Rift Zone
• In the center of the highest part of the midocean ridge is a narrow trench called a rift.
• Underwater volcani...
Ocean Trench
• The ocean trench is a steep sided
canyon or deep narrow valley in the
bottom of the ocean.
• Trenches are t...
Ocean Basin
• The ocean basin is located on either side
of the mid-ocean ridge.
• It is made up of low hills and flat plai...
Seamount
• These are volcanic mountains not
formed on the mid-ocean ridge.
5-3.3

Compare continental and
oceanic landforms.
Earth is made of solid land.
Some of the land is located
above Earth’s water and some
is located below the oceans.
Explain how landforms above
the oceans are similar to
those found below the oceans.
Continental
Landform

Oceanic
Landform

Canyon

Trench

Valley

Rift

Volcano

Seamount

Mountain range

Mid-ocean ridge

...
5-3.4 Explain how waves,
currents, tides, and storms affect
the geologic features of the
ocean shore zone (including
beach...
Beaches

http://www.virtualtourist.com/travel/North_America/United_States_of_America/South_Carolina/Charleston864816/Thing...
The shoreline, or coast, is the
area where the land meets the
ocean. Some shorelines are
rocky. Shorelines made of sand
ar...
Waves can wear away the land
and expose a rocky shore or the
waves can deposit sand along the
shore and form a beach. If t...
Currents, called longshore
currents, along the shoreline can
move sand from one location to
another.
Tides can bring in sand, shells,
and ocean sediments at high tide
and leave them behind when the
tide goes out.
Barrier Islands

www.dnr.sc.gov/.../river/stewardship_gallery.htm
Islands are pieces of land
surrounded by water on all sides.
Islands with sandy beaches are
called barrier islands.
These barrier islands are naturally
occurring and function to protect
the mainland from the effects of
waves on its shore....
Currents can move the sand from
one end of the island to the other.
Estuaries

serc.carleton.edu/.../northinlet/index.html
All rivers flow into the oceans.
The area where a river meets the
ocean is known as an estuary.
Estuaries have a mixture o...
Waves can deposit sand in the
estuaries. At high tide ocean
water brings in sediments and
sea life that feed and nourish l...
Inlets

www.ncsu.edu/.../sc/hunting2/hunting2.html
Inlets are the water-filled spaces
between the barrier islands.
As the tides change, the amount
of water in the inlet will change.
Ocean currents and storms can
change the shape of an inlet
opening.
Large storms, for example
hurricanes, can also cause
massive destruction to the
shape of the beaches, barrier
islands, est...
5-3.5 Compare the
movement of water by waves,
currents, and tides.
Volcanoes And Earthquakes

This map shows how volcanoes and earthquakes occur along tectonic plate boundaries.
http://www....
http://www.mos.org/oceans/planet/features.html
Resources
Magic School Bus Blows Its Top, The. Scholastic. 1995.
unitedstreaming. 13 September 2006
<http://www.unitedstre...
Landforms and Oceans Presentation
Landforms and Oceans Presentation
Landforms and Oceans Presentation
Landforms and Oceans Presentation
Landforms and Oceans Presentation
Landforms and Oceans Presentation
Landforms and Oceans Presentation
Landforms and Oceans Presentation
Landforms and Oceans Presentation
Landforms and Oceans Presentation
Landforms and Oceans Presentation
Landforms and Oceans Presentation
Landforms and Oceans Presentation
Landforms and Oceans Presentation
Landforms and Oceans Presentation
Landforms and Oceans Presentation
Landforms and Oceans Presentation
Landforms and Oceans Presentation
Landforms and Oceans Presentation
Landforms and Oceans Presentation
Landforms and Oceans Presentation
Landforms and Oceans Presentation
Landforms and Oceans Presentation
Landforms and Oceans Presentation
Landforms and Oceans Presentation
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    1. 1. LANDFORMS AND OCEANS Science Standard 5-3 The student will demonstrate an understanding of features, processes, and changes in Earth's land and oceans.
    2. 2. 5-3.1 Explain how natural processes (including weathering, erosion, deposition, landslides, volcanic eruptions, earthquakes, and floods) affect Earth's oceans and land in constructive and destructive ways.
    3. 3. What are constructive forces?
    4. 4. Constructive forces are processes that create or build up landforms.
    5. 5. What are destructive forces?
    6. 6. Destructive forces are processes that destroy or wear down landforms.
    7. 7. What are some examples of landforms?
    8. 8. pinker.wjh.harvard.edu/.../Grand%20Canyon.htm
    9. 9. gsbwww.uchicago.edu/.../porcupines.html
    10. 10. media.vacationeasttennessee.org/pfoutdoorattr...
    11. 11. Two Forces • Constructive: Building up an existing landform or forming a new one This building is being CONSTRUCTED. •Destructive: Changing or destroying an existing landform. This building is being DESTRUCTED.
    12. 12. What are natural processes? How do they affect land and oceans?
    13. 13. Weathering This is a destructive force and can be chemical or physical. It causes the surface of the earth to dissolve, decompose, and break into smaller pieces.
    14. 14. Weathering • Weathering: A slow, destructive process that breaks rocks into smaller pieces called sediment.
    15. 15. Erosion This is a destructive force. It is the movement of sediments and soil by wind, water, and gravity.
    16. 16. Erosion • The movement of materials away from one place. • Erosion is destructive.
    17. 17. Erosion Tune: "Jingle Bells" Running down a hill Or coming down as snow, Water causes much Erosion, this we know. Wave action moves the beach. A river carves the land. Everywhere that water goes, It Carries dirt or sand.    Chorus: Oh, wind and rain, snow and ice, Water running free; These all cause land to erode With changes we can see. Wind and rain, snow and ice, Water running free; These all cause land to erode With changes we can see .    Wind blowing in a gale, Or as gentle as a breeze, Wears the rock away, And carries sand with ease. A hurricane last year, And glaciers long ago, Are ways that natural forces use To change the earth we know. (Repeat Chorus)
    18. 18. Deposition This is a constructive force. It builds up new land by dropping or depositing sediments via water, wind, or ice.
    19. 19. Landslide This is a destructive force. This is a mass movement of land due to gravity. Landslides even occur in the ocean on the continental slope.
    20. 20. Landslide Landslides can cause buildings to fall, or power and gas lines to break.
    21. 21. Volcanic Eruption This is a constructive force. During an eruption, melted rock rises from deep within the earth and reaches the surface. They can also occur under the oceans.
    22. 22. Volcanic Eruption Seamounts are volcanoes that are built up under the ocean.
    23. 23. Earthquake This is a destructive force. Earthquakes are vibrations or a shaking of the ground caused by energy that is released from the Earth’s crust.
    24. 24. Earthquake Earthquakes under the ocean can cause huge waves (tsunamis) that cause great damage if they come ashore.
    25. 25. Flood This is both a destructive force and a constructive force. Floods occur when a large amount of water covers land that is normally dry. Rapid erosion can take place, but new sediment is left behind when the water recedes.
    26. 26. 5-3.2 Illustrate the geologic landforms of the ocean floor: *continental shelf *continental slope *mid-ocean ridge *rift zone *trench *ocean basin
    27. 27. Journey to Bottom of the Ocean
    28. 28. We will begin our journey where land meets the ocean. Do you know where we are? Yes. At the beach. Beaches are the fastest changing part of the ocean. They change with every wave.
    29. 29. Continental Shelf • The continental shelf is where the edge of the continent slopes down from the shore into the ocean. • It is the part of the continent located under water. • It is not the deepest part of the ocean.
    30. 30. Continental Slope • The continental slope is a steep drop-off at the edge of the shelf. • It drops to the bottom of the ocean floor, making the water much deeper.
    31. 31. Mid-Ocean Ridges • A mountain range on the ocean floor. • Some of these mountains are volcanic. • Volcanic mountains that ARE NOT found on the mid-ocean ridges are called seamounts.
    32. 32. For more information on the ridges, visit http://www.waterencyclopedia.com/MiOc/Mid-Ocean-Ridges.html
    33. 33. Rift Zone • In the center of the highest part of the midocean ridge is a narrow trench called a rift. • Underwater volcanic activity that adds mountains to either side of the mid-ocean ridge occurs at the rift zone.
    34. 34. Ocean Trench • The ocean trench is a steep sided canyon or deep narrow valley in the bottom of the ocean. • Trenches are the deepest part of the ocean basin and deeper than any valley found on land.
    35. 35. Ocean Basin • The ocean basin is located on either side of the mid-ocean ridge. • It is made up of low hills and flat plains. • The flat area of the basin is called the abyssal plains. • This is where seamounts are generally formed.
    36. 36. Seamount • These are volcanic mountains not formed on the mid-ocean ridge.
    37. 37. 5-3.3 Compare continental and oceanic landforms.
    38. 38. Earth is made of solid land. Some of the land is located above Earth’s water and some is located below the oceans.
    39. 39. Explain how landforms above the oceans are similar to those found below the oceans.
    40. 40. Continental Landform Oceanic Landform Canyon Trench Valley Rift Volcano Seamount Mountain range Mid-ocean ridge Low hills or plains Ocean basin and abyssal plain
    41. 41. 5-3.4 Explain how waves, currents, tides, and storms affect the geologic features of the ocean shore zone (including beaches, barrier islands, estuaries, and inlets).
    42. 42. Beaches http://www.virtualtourist.com/travel/North_America/United_States_of_America/South_Carolina/Charleston864816/Things_To_Do-Charleston-Beaches-BR-1.html
    43. 43. The shoreline, or coast, is the area where the land meets the ocean. Some shorelines are rocky. Shorelines made of sand are called beaches. Shorelines are always changing because of wind and water.
    44. 44. Waves can wear away the land and expose a rocky shore or the waves can deposit sand along the shore and form a beach. If the waves reach the beach at an angle, the sand is moved along the coast.
    45. 45. Currents, called longshore currents, along the shoreline can move sand from one location to another.
    46. 46. Tides can bring in sand, shells, and ocean sediments at high tide and leave them behind when the tide goes out.
    47. 47. Barrier Islands www.dnr.sc.gov/.../river/stewardship_gallery.htm
    48. 48. Islands are pieces of land surrounded by water on all sides. Islands with sandy beaches are called barrier islands.
    49. 49. These barrier islands are naturally occurring and function to protect the mainland from the effects of waves on its shore. As the waves deposit sand on the beaches, the shapes of the barrier islands change.
    50. 50. Currents can move the sand from one end of the island to the other.
    51. 51. Estuaries serc.carleton.edu/.../northinlet/index.html
    52. 52. All rivers flow into the oceans. The area where a river meets the ocean is known as an estuary. Estuaries have a mixture of freshwater and saltwater.
    53. 53. Waves can deposit sand in the estuaries. At high tide ocean water brings in sediments and sea life that feed and nourish life in the estuary.
    54. 54. Inlets www.ncsu.edu/.../sc/hunting2/hunting2.html
    55. 55. Inlets are the water-filled spaces between the barrier islands.
    56. 56. As the tides change, the amount of water in the inlet will change.
    57. 57. Ocean currents and storms can change the shape of an inlet opening.
    58. 58. Large storms, for example hurricanes, can also cause massive destruction to the shape of the beaches, barrier islands, estuaries, and inlets because they produce high waves and heavy winds.
    59. 59. 5-3.5 Compare the movement of water by waves, currents, and tides.
    60. 60. Volcanoes And Earthquakes This map shows how volcanoes and earthquakes occur along tectonic plate boundaries. http://www.pbs.org/wgbh/nova/teachers/activities/2515_vesuvius.html
    61. 61. http://www.mos.org/oceans/planet/features.html
    62. 62. Resources Magic School Bus Blows Its Top, The. Scholastic. 1995. unitedstreaming. 13 September 2006 <http://www.unitedstreaming.com/> (23:56)
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