Layers of the Earth ContinentalDriftPlateTectonicsRockDeformationsMountainBuilding Final Jeopardy Final Jeopardy

What layer represents 2/3 of Earth’s total mass? What layer represents 2/3 of Earth’s total mass?

mantle Back $100

What is the plastic layer of the mantle on which pieces of the lithosphere move? What is the plastic layer of the mantle on which pieces of the lithosphere move?

Asthenosphere Back $200

What is the only liquid layer of the Earth’s interior? What is the only liquid layer of the Earth’s interior?

Outer Core Back $300

We know much about the interior of the Earth because we have mapped the movement of these. We know much about the interior of the Earth because we have mapped the movement of these.

seismic waves Back $400

Where is the thickest part of the South American plate located? Where is the thickest part of the South American plate located?

Andes Mountains Back South American Plate Andes Mountains $500

What is the name of the scientist who first hypothesized the idea of continental drift? What is the name of the scientist who first hypothesized the idea of continental drift?

Back Alfred Wegener $100

The present day continents were once joined in a large continent known as this. The present day continents were once joined in a large continent known as this.

Pangaea Back $200

What is the process by which new oceanic lithosphere forms as magma rises toward the surface and solidifies? What is the process by which new oceanic lithosphere forms as magma rises toward the surface and solidifies?

sea-floor spreading Back $300

The rate at which the continents move per year can be measured in what units of length? The rate at which the continents move per year can be measured in what units of length?

centimeters Back $400

When magnetic reversals occur on the ocean floor, what element is found in the rock that helps us measure the magnetic direction? When magnetic reversals occur on the ocean floor, what element is found in the rock that helps us measure the magnetic direction?

iron Back $500

What plate boundary is responsible for creating subduction zones? What plate boundary is responsible for creating subduction zones?

convergent plate boundary Back $100

What type of plate boundary is the San Andreas fault in California where the plates slide past one another? What type of plate boundary is the San Andreas fault in California where the plates slide past one another?

transform boundary Back $200

What is the name for the boundary where two tectonic plates are separating away from each other? What is the name for the boundary where two tectonic plates are separating away from each other?

divergent boundary Back $300

Where will the next ocean form, millions of years from now? Where will the next ocean form, millions of years from now?

Red Sea Back $400

Oceanic lithosphere at mid-ocean ridges slides downhill under the force of gravity because of this: Oceanic lithosphere at mid-ocean ridges slides downhill under the force of gravity because of this:

ridge push Back $500

What is the process by which the shape of rock changes because of stress? What is the process by which the shape of rock changes because of stress?

deformation Back $100

What type of fold is in the rock layers below? What type of fold is in the rock layers below?

monocline fold Back $200

Normal faults are created because of this type of stress and found at these types of plate boundaries. Normal faults are created because of this type of stress and found at these types of plate boundaries.

divergent boundary & tension Back $300

What type of fault is created because of tension at transform plate boundaries? What type of fault is created because of tension at transform plate boundaries?

strike-slip fault Back $400

What type of fault is shown below? What type of fault is shown below?

reverse fault Back Hanging Wall Foot Wall $500

What type of mountains form at convergent plate boundaries where rock layers are slowly squeezed together? What type of mountains form at convergent plate boundaries where rock layers are slowly squeezed together?

folded mountains Back Himalayas, Asia $100

The Cascade Mountains in Oregon and Washington state are considered what type of mountains? The Cascade Mountains in Oregon and Washington state are considered what type of mountains?

volcanic mountain Back $200

What type of mountains are formed when tension causes large blocks of Earth’s crust to drop down relative to other blocks? What type of mountains are formed when tension causes large blocks of Earth’s crust to drop down relative to other blocks?

fault-block mountains Back Grand Tetons, Wyoming $300

What can be created when a set of deep cracks form between two tectonic plates that are pulling away from each other? What can be created when a set of deep cracks form between two tectonic plates that are pulling away from each other?

rift zones Back $400

What type of mountain are the Appalachians considered? What type of mountain are the Appalachians considered?

folded mountains Back $500

What is the tallest mountain in the world? What is the tallest mountain in the world?

Back Mauna Kea in Hawaii (33,000+ feet!)