Super continent that existed 250 million years ago
What is Pangea or Eurasia
100
Movement of _______________ causes Earth’s Surface to change constantly and dramatically, moving continents, forming mountains, causing earthquakes and volcanic eruptions!
What is Plates
100
Three agents of erosion
What is Water, wind, ice and gravity
100
The Hawaiian Islands were formed by a _________ _________ under the ___________ Plate!
What is Hot Spot, Pacific
200
This layer is composed of SOLID iron and nickel
What is Inner Core
200
German Geologist __________ ___________ made believers of scientists who originally disputed his continental drift theory.
What is Alfred Wegener
200
__________________ Boundary: Plates move away from each other! Magma or molten rock from below Earth’s surface oozes up, forming new crust.
What is Divergent Boundary
200
__________________ is the geological process in which sediments, soil and rocks are added to a landform or land mass.
What is Deposition
200
Volcanoes are formed ?when _______________ from within the Earth's upper mantle works its way to the surface.
What is Magma
300
Largest Layer of the Earth
What is Mantle
300
Wegener knew that fossil plants and animals such as a ____________________, a freshwater reptile found only South America and Africa during the Permian period, could only be found in a small area.
What is Mesosaurus
300
Earthquakes are common along a _____________ fault boundary!
What is Transform Fault Boundary
300
For animals without skeletons, like ____________ or _____________, fossilization is a very rare event!
What is worms or jellyfish
300
The ___________ ___ ____________ is a string of underwater volcanoes and earthquake sites around the edges of the Pacific Ocean.
What is Ring Of Fire
400
This layer is composed of a great variety of igneous, metamorphic, and sedimentary rocks!
What is crust
400
Three pieces of evidence for Alfred Wegener's Continental Drift
What is
Fossil evidence
2. Continental Coastline matches
3. Animal matches
4. Plant matches
5. Rock and Mountain matches
6. Past climate weather data
400
Magma is slowly pushed up through the cracks in the rift and then cools to form ____________ __________. The cracks on either side are slowly pushed away from it.
What is New Sea Floor
400
Rapid burial is essential for fossil formation because it prevents excessive _________________!
What is decomposition
400
As ______________ erupt, they build up layers of lava that may eventually break the water's surface.
When the tops of the volcanoes appear above the water, an _____________ is formed.
What is volcanoes, island
500
This layer creates Earth's Magnetic Field
What is Outer Core
500
Mountains in Greenland matched (type and age) to what Mountain chain in the United States
What is Appalachian Mountain Range
500
Oceanic plate collides with other oceanic plate=Collision can cause deep ocean trenches
Two continental plates collide=one is forced down between the other, crumpling and folding=mountain ranges.
What is Convergent Plate Boundary
500
Weathering and ________________ expose the fossil at the surface and we find it!
What is erosion
500
Only the big island of _____________, has active volcanoes.