Book F, Chp 1, Plate Tectonics

Who proposes the theory of continental drift?

The process by which molten material adds new oceanic crust to the ocean floor.

The upper most part of the mantle and the crust form the

In sea-floor spreading, molten material rises from the mantle and erupts

The place where two plates come together is known as a

A collision between two pieces of continental crust at a converging boundary produces a

Using data from seismic waves, we have learned that Earth’s interior is made up of several

When you touch a hot pot or pan, energy moves from the pot to your hand. This is called

Scientists think that convection currents flow in Earth’s

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

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

Any trace of an ancient organism that has been preserved in rock is called a

According to Wegener's hypothesis of continental drift,

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

The soft, "weak" layer of the mantle that sits below the lithosphere is

Earth's inner core is

Mid-ocean ridges are

Earth’s magnetic field results from movements in the

What is Pangea?

A rift valley forms at a 

Most geologists think that the movement of Earth’s plates is caused by

When the heat source is removed from a fluid, convection currents in the fluid will

What was the name of the ship that drilled the sea floor?

Heat transfer within a fluid takes place by

The transfer of energy through empty space is called?