Earthquakes, Volcanoes, and Plate Tectonics

Front

What is the shaking and trembling that results from movement of rock beneath Earth's surface?

Back

Earthquakes

Front

The movement of tectonic plates at a fault is a cause of what?

Back

Earthquakes

Front

Scientists think that the movement of Earth's tectonic plates are caused by convection currents, that are located in the _________?

Back

mantle

Front

What are underwater mountain ranges called?

Back

mid-ocean ridges

Front

Features formed at divergent boundaries are called?

Back

rift valleys

Front

The place where old crust is pushed down into a trench is called what?

Back

subduction

Front

Two plates move toward each other at what?

Back

convergent boundary

Front

What is the record of an earthquake's seismic waves produced by a seismograph?

Back

seismogram

Front

The idea that Earth's crust is made up of separate plates that float on the upper mantle is the theory of what?

Back

plate tectonics

Front

The South American and Nasca plate are moving together. Which type of boundary is this?

Back

convergent