Plate Tectonics

Mid-ocean ridges are

T or F Alfred Wegener provided evidence from land forms, fossils, and climate for his theory. 

What process would take place between the African Plate and the South American Plate? 

In seafloor spreading, molten material rises from the mantle and erupts

What feature would be located at "Y"?

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

What type of feature would you expect to find between the Indian Plate and the African Plate? 

How did scientists discover that rock farther away from the mid-ocean ridge were older? 

Scientists think that convection currents flow in Earth's

What process is shown at X?

The process by which the ocean floor sinks beneath a deep-ocean trench is called

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

What is Pangaea? 

According to Wegener's hypothesis of continental drift

What type of boundary exists between the Pacific Plate and the Antarctic Plate? 

Earth's inner core is a 

Earth's mantle is

What feature would you expect to see between the Pacific Plate and Australian Plate?

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

In the convection current of a pan of soup, the cooler, denser fluid

The place where two plates come together is known as a 

T or F Pressure increases from Earth's surface toward the center of Earth. 

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

Subduction is

Using data from seismic waves, geologist have learned that Earth's interior is made up of 

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

Most geologists rejected Wegener's idea of continental drift because

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

Continental crust consists mainly of the rock

What type of boundary exists between the Pacific Plate and Australian Plate?

Earth's lithoshphere is broken into separate pieces called

Earth's magnetic field results from convection currents in the ________ that cause the inner core to spin.

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

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

Scientists who study the forces that make and shape the planet Earth are called

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

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

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

Where does the magma shown in this picture emerge?

What process would take place between the Pacific Plate and Australian Plate?

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

A rift valley forms at a 

T or F Oceanic crust near the mid-ocean ridge is younger than oceanic crust farther away.