Show:
Layers of Earth
Tectonic Plates
Continental Drift
Tectonic Discoveries
Hodge Podge
100
Because of intense pressure, the inner core of earth is: a. thick liquid b. gaseous c. solid d. liquid
c. solid
100
What are tectonic plates?
pieces of earth's crust that fit together like a puzzle
100

The moving together or colliding of tectonic plates is called _____________ _______________?

Convergent Boundary

100

The theory of continental drift was proposed by ________ ___________.

Alfred Wegener

100

Salisbury NC is located in which geological region.

What is Piedmont?

200
What layer is directly under the Earth's crust?
Mantle
200
Tectonic plates are part of which layer of the earth?
crust
200

The moving apart or separating of tectonic plates is called _____________ _______________?

Divergent Boundary

200

Theorize: What Mountian Chain runs to NC and determine the tectonic activity that created it.

Blue Ridge/Appalachian/Smokey Mountains, Continental Continental convergence.

200

The study of paleomagnetism was key in proving Wegener’s hypothesis because


it provided evidence of sea-floor spreading.  Magnetic magnetism in rocks.


300

The outer core of earth is: a. gaseous b. solid c. liquid d. thick liquid

d. thick liquid

300

Where do most earthquakes occur?

at the edges of plates or transform plate boundaries

300

The sliding past of two tectonic plates is called _____________ _______________?

Transform Boudary

300

Determined that the seafloor was spreading by using Naval Sonar tools. 

Who is Henry Hess?

300

An undersea mountain range that forms at a divergent boundary.


What is a ridge?

400
List the layers of earth from the top layer to the center.
crust, mantle, outer core, inner core
400
Explain why California gets earthquakes and Iowa does not.
California is on the edge of a plate; Iowa is in the middle
400

Name two effects of a continental plate and oceanic plate converging.

Earthquakes and volcanoes

400

An underwater mountain chain that formed by sea-floor spreading is called a

What is a mid-ocean ridge?

400

Which of the following was a weakness of Wegener’s proposal of continental drift when he first proposed the hypothesis?


He couldn't explain what was strong enough to move the continents.

500

DOUBLE JEOPARDY! What events occur in the asthenosphere causing the magma to circulate? 

Convection Currents

500
Most volcanoes occur in a pattern around the edge of the Pacific Ocean. What special name has this pattern been given?
Ring of Fire
500

Double Jeopardy: What are the three stress types related to plate boundaries?

Tension, Shearing, Compression

500

An example of a transform boundary is the


San Andreas Fault in California.



500

Convection and slab pull work together to produce ___________. (hint: was Wegener's missing link.)

Seafloor Spreading