Show:
Layers of the Earth
Tectonic Plates I
Tectonic Plates II
Earthquakes
Volcanoes
100
The layers of the Earth by chemical composition are:
Crust Mantle Core
100
Who is responsible for the theory of Continental Drift?
Alfred Wegener
100
The three types of tectonic plate boundaries are:
Convergent Divergent Transform
100
Vibrations in the ground that result from movements along breaks in the Earth's lithosphere are called ______________.
earthquakes
100
A vent in Earth’s crust through which molten rock flows is called a _____________.
volcano
200
The layers of the Earth by physical properties are:
Lithosphere Asthenosphere Mesosphere Outer Core Inner Core
200
In which layer of the Earth does the energy originate that causes tectonic plates to move?
The inner core
200
A ______________ boundary is where two tectonic plates slide past each other.
transform
200
Where do most earthquakes occur?
Along active plate boundaries
200
Volcanoes can form along _____________ plate boundaries, when one plate subducts under another.
convergent
300
Which layer is the hottest?
Inner Core
300
What was the name of the giant landmass (super-continent) that once existed?
Pangaea
300
A _______________ boundary is when two plates move toward each other and collide.
convergent
300
A break in Earth’s lithosphere where one block of rock moves toward, away from, or past another is called a _____________.
fault
300
Volcanoes that are not associated with plate boundaries are called ______________.
hot spots
400
Which layer has convection currents?
Asthenosphere
400
The Earth's crust and uppermost part of the mantle make up a layer of solid rock called ________________ .
Lithosphere
400
A ________________ boundary is when two tectonic plates move away from each other.
divergent
400
List the three types of faults.
Normal fault Reverse fault Strike-slip fault
400
The substance that flows out of a volcano is called _________.
lava
500
Which layers is broken into tectonic plates?
Lithosphere
500
The theory of Continental Drift states that the continents are slowly but continually _____________.
Moving
500
When two plates move apart, new earth or ______________ comes up between them.
magma
500
When rocks move along a fault, they release energy that travels as vibrations on and in Earth called __________ _________.
seismic waves
500
As magma rises towards the surface it collects in a "room" called a __________ ____________.
magma chamber