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Vocabulary
Structure of the Earth
Plate Tectonics
Volcanoes
Miscellaneous
100
The thinnest layer of the Earth
What is the crust
100
There are ______________ main layers of the Earth.
What is four
100
Earthquakes and Volcanoes are usually located in relation to these
What is a plate boundary
100

This type of lava is found in shield volcanoes

what is thin lava?

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

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

What is divergent boundary

200

This type of lava is found in cone volcanoes

What is thick lava?

200

Hot air or liquid is less ________________ than cool air or liquid

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 upper mantle (asthenosphere)

300

How many  major tectonic plates are on earth?

What is 7

300

The name of the pattern of volcanoes found around the tectonic plates.

What is the Ring of Fire

300

_________________ are a result from the build up of stress and movement at a plate boundary.

What are earthquakes

400

The shifting of the tectonic plates cause the formation of these 3 features of the earth

What are volcanoes, earthquakes, and mountain ranges.

400

The inner and outer core are primarily made up of these 2 elements. 

What is Iron and Nickel

400
This is the mechanism (what causes) the plates to move
What is convection cycles in the mantle
400

What are extinct volcanoes

What are volcanoes that have not erupted in an extended amount of time

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

In the mantle, convection happens when...

What is hot liquids rise and cold liquids sink.

500
What features of the earth do convergent boundaries make

What is subduction (where volcanoes often occur) and collision (where mountains are usually formed)

500

Why do some volcanoes explode while others don't?

What is because of the type of magma (molten rock) they have and how easily the air in it can escape.

500
What is the name of the supercontinent that existed before the continents drifted apart, encompassing all the Earth's landmasses? 

What is Pangea?