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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

The name of the supercontinent is _____________. 

Pangea
100

Earthquakes and Volcanoes are usually located close to these

What is a plate boundary

100
The Himalayan mountains are the result of a ___________________________ boundary.
What is convergent boundary
200
Massive slabs of bedrock that make up the Earth's crust

What are tectonic plates.

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

The 2 continents with matching shapes are _____________________ and _____________________

What is Africa and South America

200

The mid-ocean ridge is an example of a ____________________ boundary. 

What is divergent boundary

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 _______________________.

Mantle
300

Similar fossils and ________________ have been found on different continents which hint at the land being connected into Pangea. 

Rock Types/Mountain Types

300

Name four of the major plates

What is any of the following North American plate, South American plate, Eurasian Plate, Australian 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 divergent boundaries, moving outward

What is seafloor spreading

400

Name two types of bedrock

Granite, Sandstone, Limestone, Basalt

400

Pangaea in latin means ____     ________. 

All Land

400

What causes the plates to move? 

What is 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 _____________________.

Thinnest under the ocean and thickest under the continents.

500

Scientists have found ______   _________ on different continents which allowed them to conclude there was one large glacier on Pangea. 

Glacier scars

500

What is the name of when one plate sinks below another plate? 

What is subduction? 

500
80% of the earth's volcanic eruptions happen here. 

Under the ocean at divergent boundaries.