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Fire and Ice: Week 1. Washington State Boundaries. What areas make up the Pacific Northwest? Washington, Oregon, and Idaho What creates the border of Washington? Canada, Oregon, Pacific Ocean, and Idaho What bodies of water are important to Washington?

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washington state boundaries
Washington State Boundaries
  • What areas make up the Pacific Northwest?
    • Washington, Oregon, and Idaho
  • What creates the border of Washington?
    • Canada, Oregon, Pacific Ocean, and Idaho
  • What bodies of water are important to Washington?
    • Puget Sound, Pacific Ocean, Columbia River.
true or false
True or False?
  • Washington is the smallest state WEST of the Mississippi River?
    • True
what is plate tectonics and how has it affected wa state
What is plate tectonics and how has it affected Wa. State?
  • Large plates on the earth’s crust move.
  • It has affected Wa. State through volcanic activity, glacier melting, and earthquakes.
3 parts of the earth
3 Parts of the Earth
  • Core
  • Mantle
  • Crust
types of plate movement
Types of Plate Movement
  • Divergent = plates pull apart (common on ocean floor)
  • Convergent = two plates meet and one plate is forced under another. (this is how the Cascades were created)
  • Transformant = 2 plates collide. (San Andreas Fault in California)
  • Extra Credit = What is the story of the love triangle?
volcanoes
Volcanoes
  • Volcanic activity eases the pressure of these plates colliding by melting rock.
  • In Wa. The prime example is Mt. St. Helens which erupted on May 18, 1980.
    • Ash was carried for miles
    • Rivers chocked with debris
    • Forests destroyed.
    • Eruption of Mt. St. Helen's
volcano terminology
Volcano Terminology
  • Dormant
    • An inactive volcano
  • Fissures
    • Cracks in the earth’s crust (created the Columbia Plateau and the beautiful walls of the Columbia River)
ring of fire
Ring of Fire
  • Where is the ring of fire located and what is it?
    • Many volcanoes and active faults.
earthquakes
Earthquakes
  • Epicenter
    • Energy release point of an earthquake
  • What is the Richter Scale?
    • Measures the amount of seismic activity.
glaciers
Glaciers
  • How did glaciers help create our landscape?
    • Erosion and scarring occur during glacial movement. Think of a conveyor belt.
    • Glacial material left behind is called till
glacial lobes
Glacial Lobes
  • There were three parts of a glacier that affected our state. These are referred to as LOBES.
  • What are the 3 lobes that were evident in our state?
    • Puget (created excellent waterways)
    • Okanagen
    • Polson
want to learn more
Want to learn more?
  • Explore on Your Own
    • NationalGeographic.com’s Forces of Nature
      • Volcanoes
      • Earthquakes

Enrichment/Sponge Activity