Plate Tectonics Review

Who first proposed the theory of Continental Drift in 1915?

Scientific evidence suggests that the Earth is ______ of years old.

What type of fault is shown in the diagram?

The Earth's lithospheric plates move at speeds that average ______________.

What is responsible for volcanoes & earthquakes occuring along the rim of the Pacific Ocean?

Continental crust consists mainly of ____.

P waves are called ____ & S waves are called ____.

Which seismic waves reach a seismic station on the Earth's surface first?

Most earthquakes occur ________.

Use the pic to identify type of plate movement occuring above the convection currents shown.

The movement of lithospheric plates is best explained today using the ____.

An area where magma melts through the crust in the middle of a plate is known as a ____.

Continent to Continent collision is taking place at the _____.

Which of the following is not a piece of evidence to support the Theory of Plate Tectonics?

Oceanic crust is ____ than continental crust.

What type of plate boundary is represented in this diagram?

Look at the pic. Identify the type(s) of material through which P Waves can travel.

Which of the following are MOST likely to occur at a transform plate boundary?

What type of fault is shown in this diagram?

What term is used to refer to molten rock beneath the Earth's surface?

When fluids are heated, they become ____.

Plates that grind horizontally past each other (opposite directions) occur at ____ boundaries.

Scientists who study the forces that make & shape the Earth are called ___.

A geologic feature (landform) that forms as a result of subduction is a ____.

The process by which the ocean floor returns to the Earth's interior & is melted is called __.

Plate tectonics is the theory that sections of the Earth's lithospheric plates ________.

What is the process or force that powers the movement of lithospheric plates?

Look at the pic. Identify the type(s) of material through which S Waves can travel.

What type of plate boundary is represented in this diagram?

What type of plate boundary is represented in this diagram?

What is the result of oceanic lithosphere and continental lithosphere colliding?

Scientists first rejected the idea of Continental Drift because it did not ____.

What type of plate boundary is associated with subduction?

Which layer of Earth is made of high temperature, liquid iron & nickel?

Why are there so many earthquakes in the state of California?

What type of fold is shown in this diagram?

The word "lithosphere" is used to refer to which regions of the Earth?

At a divergent plate boundary, one plate moves ____________ another plate.

The Mid-Atlantic Ridge is an example of a landform that forms along a _______ plate boundary.

The energy source for convection currents within the Earth's mantle is ___.

The Himalayan Mountains were formed by _________.

The process that adds NEW lithosphere to the ocean floor is called _____.

Refraction occurs when seismic waves move from one medium to another & they change their ____.

During convection within the mantle, cooler, more dense molten rock ____.

The point on Earth's surface directly above an earthquake's focus is called the _____.

An instrument used to measure and record ground movements during an earthquake is called a _.

Continental drift is the idea that

Lithosphere is mostly destroyed at which type of plate boundary?