Vocabulary
Vocabulary
Vocabulary
Facts
Facts
100
Originator of the Continental Drift Theory
Who is Alfred Wegner
100
Used to rank the magnitude of an earthquake
What is Richter Scale
100
the earth is this age
What is over 4 billion years old
100
what is most likely yo occur at a transform boundary
What is an earthquake
100
Dinosaurs became extinct during this time period
What is Mesozoic
200
Earth's crust is made up of large pieces that have moved over time
What is plate tectonics
200
this is the top layer of the earth
What is the crust
200
the distance form the earth's surface to the center of the earth is
What is 6000 km
200
Earth formed during what time period
What is Precambrian
300
this is the hottest layer of the earth
What is the core(inner core)
300
PLate tectonics explains the formation of
What are mountains, volcanoes, earthquakes, trenches
300
Which theory helps explain how mountains, volcanoes, and earthquakes form
What is Plate tectonics
400
earthquakes only occur at this boundary
What is transform boundary
400
when two plates converge,collide or when one slides under another
What is convergent boundary
400
when a volcano is "dead"
What is dormant
400
Himalayan Mountains were formed how
What is by the collision of two lithospheric plates
400
Continental Drift describes the movement of what
What is the continents
500
describes when one plate slides under another plate
What is subduction
500
when plates start to spread apart
What is a divergent boundary
500
when magma reaches the earth surface
What is lava
500
subduction is
What is sliding of one plate under another.
500
The plates move a few _________per year
What is centimeters
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