Topic 1
Topic 2
Topic 3
Topic 4
Topic 5
100
What is the outer-layer of the Earth called?
Crust
100
What boundary: when two plates slide past each other
Transform
100
What is the innermost layer called?
Inner Core
100
Type of boundary where two plates move apart
Divergent boundary
100
True or False:Volcanic activity can cause earthquakes
true
200
This is the thickest layer of the Earth.
Mantle
200
What two parts make up the Lithosphere?
Crust & Upper mantle
200
Type of boundary: Two plates come towards each other
Covergent boundary
200
What is the theory that the outer layer is divided into plates and moves slowly
THeory of Plate tectonics
200
What theory led the development of the theory of plate tectonics
Continental drift theory
300
What are the two types of crust, and which is the heaviest?
Continental & oceanic.
Oceanic is heaviest
300
What type of currents control tectonic plate movement?
Covection currents
300
In what physical layer do convection currents occur?
Mantle
300
Diverging
300
What process creates new crust?
Seafloor spreading
400
What elements is the core made of?
Iron & Nickle
400
Which layer of the Earth is divided into plates
Crust (or Lithosphere)
400
When one plate slides below another what is created?
Subduction zone
400
Seafloor spreading occurs around what boundary?
divergent
400
True or False: Convection currents in magma drive the movement of tectonic plates.
True
500
Which instrument do scientists use to study the layers of the Earth?
Seismograph
500
What is the only liquid layer of the Earth?
Outer Core
500
Which layer is the most dense and solid due to high amounts of pressure?
Inner core
500
What inside the Earth causes volcanoes to erupt?
Convection currents
500
Seafloor spreading occurs around what ocean floor feature?
Mid-Ocean ridges