ES Unit 5 Plate Tectonics 2223

Alfred Wegener's theory of Continental Drift was readily accepted by scientists when presented.

Shown is a volcanic island arc. What type of boundary formed this?

Origin of earthquake below the surface; the shallower the focus = more destructive

New crust is formed at a subduction zone.

Which of the following is an example of a convergent boundary subduction zone?

A margin at a convergent plate boundary, where oceanic lithospheresinks beneath overlaying plate

What is the transfer of heat resulting in the flow of fluids (ex: gases, magma, water)

Earth is 4.6 billion years old. How old is the ocean floor?

Which layer of Earth's interior is responsible for Earth's magnetic field?

Which of the following can cause earthquake related damage?

____travel fastest; can move through liquid; wave and rock move in the same directions—least destructive

Two plates sliding past each other?

Ocean crust is more dense than continental crust.

___________________cannot move through liquid--this proves that Earth's outer core is made of liquid.

The image below shows a symetrical pattern of magnetic reversals in Earth's ocean crust.

______cannot travel through liquid; wave and rock move at 90° to each other; destructive

Which type of volcano is has the most explosive eruptions?

A seismograph records seismic waves.

Convection currents cause plate movement by___________________

For Earth's interior, both pressure and temperature increase with depth.

Plate tectonics states that the ________________ is broken into several plates that move relative to one another

Which of the following is an example of a divergent boundary?

Surface waves are the least destructive seismic waves.

Which of the following is an example of a shield volcano?

All of the ways below are methods of remote sensing to study the ocean floor--EXCEPT

Two plates moving away from each other?

What features are found at a subduction zone?

Volcanic eruptions, such as Mt. Pinatubo can effect global climate.

Two plates moving towards each other?

The seismograph shows that the surface waves are the first to arrive at the seismic station.

Which of the following factors can control how rock responds to stress?

Ocean crust is made of ____________magma.

Whic of the following are true about stratavolcanoes?

____________________are a vibration of Earth caused by the sudden release of elastic energy

The Hawaiian Islands were formed by a mantle plume/hotspot in the Pacific Plate.

Ocean basins are formed by seafloor spreading and subduction.

Which of the following did Alfred Wegener use to support his idea of Continental Drift?

Earthquakes are measured by how much energy is released and amount of displacement on fault.

Earth has how many layers?

What evidence led to the theory of plate tectonics