Plate Tectonics
All the land or Earth
Pangea
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Describes weather conditions over a long period of time.
Climate
What type of plate boundary do the plates move away from each other?
Divergent
This describes the large scale movement of Earth's lithosphere.
Plate Tectonics
Tectonic plates are pieces of the _____ that move around on top of the asthenosphere
Lithosphere
True or False
Earthquakes only affect a small area when one occurs
False
What two items can scientist use to study Earth's climate from over time?
Tree Rings and Ice Cores
What land forms are formed by the movement of tectonic plates? (Name at least 2)
Mountains
Volcanoes
Earthquakes
How far does the North American plate move away from the Eurasian plate each year.
A few centimeters per year
What type of plate boundary do the plates move towards each other?
Convergent
Why do most Earthquakes take place at tectonic plate boundaries?
They take place where the motion of tectonic plates transfers energy to rock
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Fossils can tell scientist what
(Name at least 2)
Environment
How plants and animals have changed
How Earth has changed
Subduction can occur where these to plates converge.
Continential and Oceanic
What was the one piece of the puzzle that Wegner was missing that would have help to explain his continental draft theory.
Convection in the mantle
How can the epicenter of an Earthquake be located miles away from a fault line?
Fault line do not extend down into the Earth in a perfectly straight line.
Fossilized evidence that formed in sedimentary rock showing animal activity.
Trace Fossil
Which tectonic plate do we all live on?
North American
A rift valley is made when tectonic plates do what?
Pull apart
What is 3+3?
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How does the distance from the epicenter of an earthquake change the earthquake's effect?
The strongest effects are at the epicenter or it gets weaker the further away from the epicenter
Geological Process of the past can be seen in the geological process occuring today.
Uniformitarianism
What do you call the presence of new material being continually added to the ocean floor?
Sea floor spreading
Geologist have long recognized the earthquakes are not randomly distributed on Earth but occur in concentrated areas that coincide with _____ and provide evidence for the theory of _____.
plate boundaries
plate tectonics