Plate Tectonics

Front

What is the correct order (starting from the surface) of Earth’s layers?

Back

crust, mantle, outer core, inner core

Front

In sea-floor spreading, where does molten material rise from the mantle and erupt?

Back

along mid-ocean ridges.

Front

The process by which the ocean floor sinks beneath a deep-ocean trench and back into the mantle is known as

Back

subduction.

Front

What causes the movement of Earth's plates?

Back

convection currents

Front

The geological theory of _______ states that pieces of Earth’s lithosphere are in constant, slow motion.

Back

plate tectonics

Front

A place where two plates slide past each other, moving in opposite directions, is known as a _______

Back

transform boundary

Front

Where do scientists think convection currents flow in Earth?

Back

mantle.

Front

The place where two plates come together is known as a _______

Back

convergent boundary.

Front

Below is a picture of sea-floor spreading. How are the ocean crusts moving?

Back

Diverging

Front

The San Andreas Fault in California is known as an active earthquake area. What type of boundary is it? Options: Converging, Diverging, Transform, Sea Floor Spreading

Back

Transform