Plate Tectonics LBMS

The formation of the Grand Canyon by the Colorado River is an example of.....?

Earth's plates slip past each other at ______ boundaries.

Why is the hot inner core solid and not a liquid?

a quickly moving wall of meltwater, mud and debri from a volcanic eruption.

Deep scratches caused by _____ have been found in rocks of South Africa.

Heat from the ______ creates convection currents in the ______.

The ____________ scale measures the amount of damage done by an Earthquake

Which of the following is not evidence of sea-floor spreading?

The type of stress found at a divergent boundary.

When the hanging wall drops downward along two ______ faults, a fault block _________forms.

What type of volcano is composed of alternating layers of ash, cinders and lava flows?

In a process taking tens of millions of years, part of the ocean floor sinks back into the __-.

The Earth is composed of layers. What layer creates the magnetic field of the Earth?

Most geologists originally ______ Wegeners idea of continental drift.

What is the minimum number of seismograph stations needed to find the epicenter of an Earthquake?

The theory of _____ ______  states that the Earth's plates are in slow constant motion.

What has happened to the Earth's magnetic field over millions of years?

The theory that the continents are moving is called.....

In the mid-1900's scientists mapped the ocean floor using......

In 1910, this scientist theorized that the continents had moved.

Which of the following is an instrument used to detect Earthquake waves?

The Earth is composed of layers. Which layer is solid and composed of mostly iron and nickel?

Fault lines at convergent boundaries are under what type of stress?

Which letter would represent a deep ocean trench?

Which of the following is not evidence for "continental drift" theory?

What type of plate boundary exists in the Mid-Atlantic Ridge?

Which is a source of indirect evidence for the structure of the Earth?

which type of forces shape the land's surface by building up mountains and other land masses?

The block of rock found above a fault line is called.....

Which volcano destroyed the city of Pompeii in 79 AD?

volcanoes form this type of rock.

A compass needle in the northern hemisphere will point to....

Changes in the Earth's magnetic field creates magnetic ____ on the ocean floor.

Which layer of the Earth creates convection currents causing the crust to move?

Which of the following is not produced by a convergent plate boundary between two continental plates?

A large raised area formed by millions of years of lava flows.

What type of lava creates dangerous pressure in the neck of a volcano?

A collapsed volcano creates a....... like the one at Yellowstone National Park

The longest mountain ranges in the world are found in ......

Select the densest type of Earth's Crust.

Earth's plates move together at _____ boundaries.

This process adds more crust to the ocean floor.

A wall of water created by an Earthquake under the ocean.

What state has the largest number of recorded Earthquakes?

_________ currents in the Earth's mantle cause plates to move along _____ .

Earth's plates move apart at ______ boundaries.

It takes 100,000 years for a plate to move 2 Km. What is the rate in centimeters per year?

Which type of wave is used to determine that the outer core of the Earth is liquid?

The deepest part of the ocean is along the ______ trench in the _____ ocean.

Which volcano in the state of Washington erupted in 1980 and destroyed nearly 2/3 of the mountain.

Near which letter would you find magnetic stripes?

How much of the Earth's crust is composed of silicon and oxygen?

Which is a part of the Earth's biosphere?

In general, what happens to temperature and pressure with increased depth within the Earth?

What is the opening of a volcano called?

Continental crust is composed mostly of ______.

Fast moving gasses, ash and pyroclastic material ejected from a volcano during eruption.

The process of  _____ allows ocean floor to sink back into the mantle.

What type of plate boundary would exist in this diagram?

The outermost layer of the Earth.

Which of the following is NOT a type of wave produced by an Earthquake?

Where are the majority of volcanoes and Earthquakes found?

A large landmass is called .....

When magma squeezes between rock layers, it forms a structure called a ......

Which is a part of Earth's hydrosphere?

When magma reaches the Earth's surface it is called.......

What is a solidified magma chamber?

What type of fault is at the San Andreas Fault in California?

A chain of mountains that runs along the middle of the ocean floor.

What type of volcano is found in Hawaii?