Dynamic Earth

Earth is covered by several slabs of crust called...

What is a possible effect of an underwater earthquake?

Which of the following pieces of evidence was NOT used by Alfred Wegener?

What makes earthquakes different from each other?

Mountain ranges running down the middle of many of Earth's oceans are called...

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

A ___ ______ is an unusually hot spot in the mantle that can produce a volcano away boundaries

What is the cause of an earthquake?

What causes Earth's plates to move?

This type of volcano is formed by several eruptions of low viscosity eruptions.

Rocks farther from a mid-ocean ridge are __________ than rocks closer to the ridge.

Seismic waves are recorded by a...

Volcanoes erupt when __________ in the magma expands and pushes the magma to the surface.

Magma that reaches the surface is called...

What is the root cause of the movement of Earth's tectonic plates?

More viscous magma creates _________ volcanic eruptions because the gases cannot easily escape.

Where are volcanoes typically found?

At least how many seismic stations are needed to TRIangulate the epicenter of an earthquake?

The shaking of the earth when stress in the crust is suddenly released is called an...

Magma with less silica is __________ viscous than magma with more silica.

Alfred Wegener developed the theory of...

The amount of shaking an earthquake produces is measured on the __________ scale.

Which type of seismic wave travels the fastest?

What causes stress in Earth's crust?

Where do most earthquakes occur?