Show:
Vocabulary
Structure of the Earth
Continental Drift Theory
Plate Tectonics
Miscellaneous
100
The thinnest layer of the Earth
What is the crust
100
There are ______________ main layers of the Earth.
What is four
100
Created the Continental Drift Theory
Who is Alfred Wegener
100

What happens as an immediate result of moving tectonic plates?

What is earthquake

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
The thickest layer of the Earth
What is the mantle.
200

Identify 3 pieces of evidence that support Pangea.

Rock and mountain correlation

fossil correlation

 apparent fit of all the continents as one large landmass.

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

massive supercontinent that brought nearly all of Earth's landmasses together

 What is Pangea

300

Name the 3 types of plate boundaries

What are divergent, convergent, and transform

300

What are the 2 types of tectonic plates

continental and oceanic

400

States that youngest rocks of ocean floor are at divergent 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

Pangaea existed this many millions of years ago

What is around 245-250 million years ago

400

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

What are convection currents 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
The Earth's crust is thinnest under the _____________________ and thickest under the _____________________.
What is thinnest under the ocean and thickest under the continents.
500
Continental Drift Theory was not accepted because it did not explain this
What is how the continents moved
500

What are 3 geological changes that can occur at convergent boundaries?

mountains, volcanoes, trenches, volcanic islands

500

This person is the best science teacher ever 

Mrs. Pogue-Davey