Inside Earth: Ch. 1 Plate Tectonics

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

According to Wegener's hypothesis of continental drift.

 Process by which the ocean floor sinks beneath a deep-ocean trench and back into the mantle is

The transfer of energy through empty space is called?

What is Pangea?

Mid-ocean ridges are

What did scientists in a submersible see when they observed the mid-ocean ridge?

Most geologists rejected Alfred Wegener's idea of continental drift because?

Earth's mantle is?

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

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

Which type of evidence was NOT used by Wegener to support continental drift?

Earth's magnetic field results from movements in the 

most geologists think that the movement of Earth's plates is caused by

Heat transfer within a fluid takes place by?

using data from seismic waves, geologists have learned that Earth's interior is made up of:

Scientists think that convection currents flow in Earth's

Old oceanic crust is more dense than new oceanic crust because it is

What technology did scientists use in the mid-1900's to map the mid-ocean ridge? 

How did scientists discover that rocks were older as you move away from the mid-ocean ridge?

A place where two plates slip past each other, moving in opposite directions

Geologists obtain indirect evidence about Earth's interior by

The place where two plates come together is known as a 

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

A rift valley forms at a 

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

The correct order of Earth's layers starting from the surface is?

Holes drilled several km's into Earth's crust provide direct evidence in the form of?

Earth's inner core is

Geological theory that states that pieces of Earth's lithosphere are in constant slow motion is