Earth's Layers
Theory of Plate Tectonics
Earthquakes
Volcanoes
Miscellaneous
100
What is the Crust, Mantle, Outer Core, and Inner Core?
The 4 layers of the earth.
100
Who is Alfred Wegener?
This German scientist authored a book on the Continental Drift Theory.
100
What is a convergent boundary?
The name for plate boundaries that move together or collide.
100
What are hot spots?
These formed the Hawaiian Islands.
100
What are mountains and volcanoes?
Landforms that are made from convergent plate boundaries.
200
What is the Asthenosphere?
The layer that lies underneath the lithosphere.
200
What is Pangea?
The name of the landmass that Wegener believed covered much of the earth 200 million years ago.
200
What are the Mercalli and Richter scales?
Earthquakes are measured for magnitude and damage using these 2 scales.
200
What is pressure?
The reason why volcanoes erupt.
200
What is the Mid-Atlantic Ridge?
The name for a divergent plate that pushes North America and Europe an inch away from each other every year.
300
What is the Outer Core?
The name of the layer of the Earth's interior that is comprised of liquid iron.
300
What are Fossils, rocks, mountains, glaciers, and magnetic properties of rocks?
Evidence that supported Alfred Wegener's theory of plate tectonics.
300
What is the San Andreas fault?
The fault that runs through California.
300
What is a Cinder Cone Volcano?
A volcano that has steep sides and hardened lava chunks called cinders.
300
What is the Ring of Fire?
The special name for the faults that have the most active volcanoes.
400
What are the crust and uppermost part of the mantle?
The components of the lithosphere.
400
What are convection currents?
The process that powers plate tectonics.
400
What is the focus?
The point below the surface where the earthquake occurs.
400
What is a shield volcano?
A volcano that is wide and has gently sloping sides with smooth and runny lava.
400
What is Magma - inside the earth; What is lava- outside the earth?
The difference between magma and lava.
500
What is the inner core?
The layer that is made of solid iron and nickel.
500
What is plate tectonics?
Pangea split and the pieces drifted into their present day location and will continue to move.
500
What is a transform boundary?
Earthquakes occur at this type of boundary.
500
What is a composite volcano?
A volcano made of layers of cinder and lava.
500
What is a volcano?
A mountain that forms when red-hot melted rock flows through a crack on the Earth's surface.
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