Show:
Vocabulary
Plate Boundary Land Formations
Continental Drift Theory
Plate Tectonics
Miscellaneous
100
The thinnest layer of the Earth
What is the crust
100

Volcanic island arcs are associated with

oceanic-continental plate boundaries

100

The name of the one giant continent

What is Pangea

100

Earthquakes and Volcanoes are usually located at what type of plate boundary

What is a convergent 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

Increases with distance from a mid-ocean ridge

ocean crust age

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
Hot air or liquid is less ________________ than cool air or liquide
What is dense
300
The theory that all continents are fragments of Pangaea now drifting apart
What is the Continental Drift Theory
300
Plates float on top of the _______________________.
What is the asthenosphere
300

The type of evidence that showed tropical plants were found in Antarctica

What is ancient climates

300
Name four of the major plates
What is any of the following North American plate, South American plate, Eurasian Plate, Indoaustralia plate, African plate, Antarctica plate
300
_________________ are a result from the build up of stress at a plate boundary.
What is earthquakes
400
States that youngest rocks of ocean floor are at divergin boundaries, moving outward
What is seafloor spreading
400
The rigid part of the Earth including the crust and the upper mantle (makes up the plates of the Earth)
What is the lithosphere
400

One form of evidence that showed there was a mountain range with the same rock composition in North America and the British Isles

What is land formations

400

This is the mechanism (what causes) the plates to move

What is convection flow in the mantle

400
The San Andreas Fault in California is an example of a ____________________ boundary.
What is a transform boundary
500
Although the hottest layer of the Earth, this layer is solid metal
What is the inner core
500

 These are associated with convergent plate margins and subduction zones

Deep sea trenches and mid-ocean ridges
500
Continental Drift Theory was not accepted because it did not explain this
What is how the continents moved
500

The two types of convergent boundaries

What is oceanic-continental (where volcanoes often occur) and continental-continental (where mountains are usually formed)

500

This person provided the theory that the continents where once connected and called Pangea

Who is Alfred Wegener!