ES Unit 2a Review

These currents are found in the mantle.

The ___ and ___ within Earth increased and shaped the physical Earth we see.

Which point marks the epicenter of the earthquake?

The waves that move land side to side.

___ explains how new ocean crust is created at ocean ridges and destroyed in deep-sea trenches.

The process used to determine the epicenter of an earthquake.

____ are places where plates slide horizontally past each other.

The __ is the most common scale used to define the magnitudes of earthquakes.

Which lists Earth materials in order of increasing density?

A narrow, long depression in continental crust

A landmass comprised of all of Earth’s continents

These waves that stretch and compress the land as they pass through.

At which point will the most damage as a result of the earthquake likely occur?

Continental drift was not widely accepted when it was first proposed because ____.

The sea floor spreads apart at both sides of a ___ as new crust is added.

A vast, underwater mountain chain forms at a(n) _________.

Plates come together at _______________________.

The point directly above the focus.

Upper region of Earth that includes the crust & upper portion of the mantle is called the ___.

The transfer of thermal energy by the movement of heated matter is ____

The outer layer of the Earth consists of ___ and ___ crust.

The origin of the Earthquake in the crust where pressure was released.

___________________ occurs when one tectonic plate descends beneath another.

The frequency and magnitude of an earthquake are ___.

A narrow, elongated depression in the seafloor

Theory that states that Earth’s crust and upper mantle are broken into enormous slabs

The mechanisms thought to be associated with plate movements

Hess supported the theory of continental drift using evidence such as

Continental-continental plate collisions produce ____.

The relative size of an earthquake is characterized as a number between 1 and 9 and is called

The magnetic pattern of ocean-floor rocks on 1 side of an ocean ridge is ___.

The flow of the iron in the outer core makes Earth’s ___

Places where plates move apart are ___

One of the driving forces of tectonic plates are related to convection currents in Earth’s ___.

Wegener’s hypothesis of ___ stated that Earth’s cont's had once been joined as a single landmss