Plate Tectonics Review

Which number is the outer core

In convection currents the cooler denser fluid

Seafloor Spreading occurs at this boundary

In the diagram - these lines are called zebra stripes proofing new seafloor was laid down

Subduction is

Transform boundarys

Who proposed the theory of Continental Drift?

Which number is the lithosphere?

In the diagram - Molten rock come up from the ocean to create new crust

The transfer of energy through space

Scientists rejected Wegener's theory because he could not

Oceanic plates are usually much _____ than continental plates

The type of rock found on the oceanic crust

Wegener hypothesized that about 200 million years ago the supercontinent

A break in the Earth's crust where rocks have slipped past each other is called

Molten rock pushes sideways in both directions as it rises, moving the mantle with it

What erupts through the mid-ocean ridge?

Earth's lithosphere is broken into separate sections called

What type of rock is found in the continental crust?

What part interior of the Earth can bend like plastic

Why was Wegener's Continetal Drift Theory rejected when he first proposed it?

The process that continually adds new material to the ocean floor is

In the diagram - New seafloor moves away from the ridge, cools, becomes denser and sinks

Heat transfer by the movement of a heated fluid

Convection currents occur in what part of the Earth?