Plate Tectonics: Ch. 4 Pearson OH 8

Which scientist is credited for proposing the ideas that led to the Theory of Plate Tectonics

A rift valley forms at a

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

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

What kind of plate boundary runs across Iceland

The process where the ocean floor sinks under a deep-ocean trench and back into the mantle is

The San Andreas Fault is along what type of boundary

How did scientists discover rocks farther from the mid-ocean ridge are older than ones near it?

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

Mid-ocean ridges are

The man responsible for proving sea floor spreading.

What is NOT likely to happen at a divergent boundary?

Mid Ocean Ridges are places the crust is

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

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

Two continental plates joined to create the Himalayan Mountain Range over

The place where two plates come together is known as a

The theory stating that pieces of the lithosphere are in constant, slow motion is the theory of

According to Wegener's hypothesis of continental drift,

What is Pangaea?

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

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

What is the border between two tectonic plates called

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

Mountain Formation can result when which of the following occurs