Vocabulary
geologic formations
Continental Drift Theory
Plate Tectonics
Miscellaneous
100

two plates collide

What is a convergent boundary

100

There are ______________ types of plate boundaries 

What is three

100
what evidence was there to support continental drift theory

similar fossils found on separte continents

evidence of climate change 

continents fit together like pieces of a puzzle

100

Earthquakes , mountains, mid ocean ridge, and Volcanoes are usually located in relation to these

What is a  plate boundary

100
The Himalayan mountains are the result of a ___________________________ boundary.
What is convergent boundary
200
A number of rigid, but moving, pieces of Earth's surface
What is tectonic plates.
200

causes earthquakes

What is transform boundary

200

Evidence of matching animal fossils from two separate continents _____________________ and _____________________

What is Africa and South America

200
The mid-ocean ridge is an example of a ____________________ boundary and ___________________ occurs here where new ocean floor is formed.
What is divergent boundary; sea-floor spreading
200

which plate is more dense the oceanic or continental 

What is dense

300
The theory that all continents are fragments of Pangaea now drifting apart
What is the Continental Drift Theory
300

two continental plates collide and they form what _______________________.

What are mountains

300

who was the scientist that came up with continental drift theory

who is alfred wegner

300

Name the features formed by a convergent boundary

mountains, trenches, volcanoes

300
_________________ are a result from the build up of stress at a plate boundary.
What is earthquakes
400

old crust gets recycled and new crust is created

What is seafloor spreading

400

when one plate sinks beneath another plate

What is subduction

400

the super continent that existed 250 million years ago

What is Pangaea

400
This is the mechanism (what causes) the plates to move
What is convection cycles in the mantle
400
The San Andreas Fault in California is an example of a ____________________ boundary.
What is a transform boundary
500

when two plates divide

What is a divergent boundary

500

sea floor spreading occurs at what type of plate boundary

What is divergent 

500

Continental Drift Theory was not accepted because it did not explain this

how the continents moved

500

how do volcanoes occur 

What is subduction (where volcanoes often occur)

500

what is a fault

it is a crack in earths plates

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