The Changing Earth
by: Savannah Zhou
Our Changing Earth
- Our earth and the world we live in is always changing. Constantly. Beneath our feet, something is stirring; above our heads objects are moving. In a million years, our earth won't look how it is now. And our world today, looked different from what it did million of years ago.
The Asthenosphere
- What is the asthenosphere?
- What is it's relationship with the tectonic plates and the continental and oceanic crust?
Location: Upper Mantle of the Earth
The Lithosphere
- What is the lithosphere?
- What connections does it have to the tectonic plates, continental and oceanic crust, and (possibly) the asthenosphere... (most likely)?
Location: Crust, Outside Layer of Earth
Who was Alfred Wegener?
- What are his professions and interests to study?
Well-Known For?
- What did he propose?
- What were his evidence?
The People's Stand
- What were the people's reactions?
- What about now?
What is the Plate Tectonic Theory?
- What causes the movement?
- What evidence is there to better understand this theory?
Boundaries
Divergent Boundary
- What is a divergent boundary?
- What are the differences between land and in the sea?
Transform Boundary
- What is a transform boundary?
- What evidence describes a transform boundary is occurring?
Convergent Boundary
- What is a convergent boundary?
- What are all types of convergent boundaries?
- What evidence best describes a convergent boundary is occurring?
Beneath Our Feet
Core
- What is the core?
- How does it effect our earth?
Mantle
- What is the mantle?
- What is it's effect on Earth?
Crust
- What is the crust?
- What is it's effect on Earth?
Hot Spots
- What are hot spots?
- How do they occur?
- Famous hot spots - Old Faithful in Yellowstone National Park and the Hawaii hotspot
Yellowstone Hot Spot
- It's a supervolcano.
- The entire Yellowstone National Park sits on top of a hot spot that has been active about 2.1 million years ago.
- When it erupts, humanity may be wiped out.
Hawaii Hotspot
- It's a volcanic spot located near the namesake Hawaiian Islands.
- Northern Pacific
Magnetic Reversal
What is a Magnetic Reversal?
- What is magnetic reversal?
- How can records of magnetic reversal show how plates move apart?
Ice Age 4: Continental Drift Scene
Ice Age 4: Continental Drift - First Look: Official Scrat Short Film (2012) | FULL-HD
Bibliography
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