Earth Layers
Continental Drift
Plate Boundaries
Seafloor
Earthquakes/Volcanoes
100
In which of Earth's layer is the convection currents?
What is the Mantle?
100
States that the continents were once joined together as one supercontinent which broke up and drifted apart...
What is the continental drift theory?
100
A boundary created by a teacher sliding two pieces of clay together
What is convergent?
100
Identify the image below....
What is the mid-ocean ridge?
100
The reason why many earthquakes and volcanoes occur along the ring of fire....
What is the ring of fire is located on active plate boundaries?
200
The list describe which one of Earth's layer......
-composed of iron and nickel
-extremely hot
-contains both liquid and solid iron
What is the core?
200
The name given to Wegener's supercontinent...
What is Pangaea?
200
Earth's curst is neither destroyed nor created at this type of boundary
What is a transform boundary?
200
Identify...
What is a trench?
200
Where volcanologist go to find active volcanoes...
What is where two tectonic plates meet?
300
Two layers that composes the lithosphere?
What are the crust and the mantle (1 & 2)?
300
Overtime the geography of our planet has been shaped by
What is tectonic movement?
300
These occur at transform plate boundaries
What are earthquakes?
300
The reason seafloor spreading occurs..
What is lithospheric plates move apart under the ocean floor?
300
The reason why volcanoes are forming in the diagram below....
What is the ocean plate is moving under the continental plate at a convergent boundary?
400
Arrange the layers in order from least dense to most dense.
What are crust, mantle, outer core, inner core?
400
Europe is drifting farther and farther away from North America because....
What is because of tectonic plate movement?
400
When a more dense ocean plate sinks beneath a less dense continental plate.....
What is a subduction zone?
400
The name of the sloping seafloor that extends all the way down to the bottom of the ocean...
What is the continental slope?
400
The reason why our planet has earthquakes....
What is the movement of tectonic plates that release energy?
500
The density of the core is ....... 3.9 or 7.4
Layer Density
Crust 2.3
Mantle 4.8
Core ??
What is 7.4?
500
The reason why the continents drifted apart or moved
What is the mantle is made up entirely of liquid rock, on which Earth's crustal plates can float?
500
How mountains are formed...
The collision of two continental plates at convergent boundaries
500
The part of the seafloor that takes the longest to measure in depth using sonar....
What is a trench?
500
The theory of plate tectonics states that activities such as earthquakes and volcanic eruptions occur in these places
What is along plate boundaries?