Continental Drift
The process that caused continental drift.
What is plate tectonics?
The meaning of Pangea
What is "whole eath"?
The plate boundary when two plates rub against each other.
What is transform?
The crust is the ___________est layer.
What is thinnest?
The ring of fire causes 75% of the worlds ______________.
What are valcanos?
True or False
Fossil evidence was used to prove the theory of continental drift.
What is True?
True or False?
South America and Africa are the only two continents that don't fit perfectly together.
What is false?
The feature formed when there is a convergent plate collision.
What is mountains?
The four main layers of the earth
What are the mantle, crust, inner core, outer core?
The ring of fire causes ____ of the world's earthquakes.
What is 90%?
Seafloor spreading is caused by what type of plate boundary?
What is divergent?
The person who predicted pangea.
Who is Alfred Wegener?
Divergent plate boundaries is when two plates __________.
What is pull apart?
The densest layer of the Earth.
What is the inner core.
The length of the ring of fire.
What is over 25,000 miles long.
The ocean that currently growing in size due to seafloor spreading.
What is the Atlanic Ocean?
Pangea started to break apart ________ years ago.
What is 175 million.
Valcanos are formed with what type of plate boundaries.
What is divergent?
The process of one plate being forced under another plate.
What is Subduction?
The valcano that eputed in 1960 that cause millions of dollars of damage.
What is Mt. St. Helens?
The feature formed as new crust rises to the surface during seafloor spreading.
What is Mid Atlantic Ridge.
The year Alfred Wegener predicted pangea.
What is 1915?
The feature formed when a sliding boundary occurs.
What is Fault Zone?
The rigid upper layer of the Earth.
(inlcudes the earth's crust and upper most mantle)
What is lithosphere.
The valcono that erupted in 1883 that was heard over 3,000 miles away.
What is continental drift?