The thinnest layer of Earth
What is the crust?
There are __________ many layers of the Earth.
What is four?
Earthquakes and Volcanoes are usually located in relation to these. (Not specific)
What is a plate boundary?
Two boundaries that come together
What are convergent boundaries?
Boundaries that slide pass one another
What are transform boundaries?
Although the hottest layer of Earth's surface, this layer is solid metal.
What is the inner core?
The thickest layer of the Earth?
What is the Mantle?
Hot air or liquid is less ________________ than cool air or liquid
What is dense?
Boundaries that move away from one another
What are divergent boundaries?
Two types of crust
What is oceanic and continental crust?
Rigid, but moving pieces of Earth's surface
What are tectonic plates?
Layer of Earth that is liquid
What is the outer core?
This is the mechanism (what causes) the plates to move
What are convection currents?
All boundaries form this phenomenon that can destroy buildings.
What are earthquakes?
Which layer of Earth is responsible for creating our magnetic field?
What is the outer core?
A break in Earth’s crust along which rocks move
What is a fault?
Plates float on top of the __________________?
What is the Asthenosphere?
When two continental plates collide, the edges of the continents are pushed upward to form a _________________.
What is a mountain range?
Type of plate boundary that creates mountains
When two plates collide, the __________ plate always ends up on top.
What is less dense?
The name of the single landmass that began to break apart 200 million years ago
What is Pangea?
The rigid part of the Earth including the crust and the upper mantle (makes up the plates of the Earth)
What is the lithosphere?
Created the Continental Drift Theory
Who is Alfred Wegener?
Mid-ocean rigid is a location of _______________ type of boundary
What is divergent?
A plate sinking below another plate
What is subduction?