The outer layer of the earth is called its

The inner-most layer of the earth is called its:

The earth's core mostly consists of two metals. Check the two metals:

The Earth's inner core is a solid ball.

The Earth's crust and upper mantle are broken into continent-sized slabs called __________________.

The Earth's plates are always moving away from each other.

Check on which of the Earth's layers the continents are located:

The movement or sudden shift of the Earth's plates can cause which of the following:

Vibration or shaking of the Earth's crust is called an ____________________.

Many earthquakes are caused by:

The point underground where the plate movement that causes an earthquake is called the _____________.

The point on the surface of the earth that is right above the focus of an earthquake is called the _________.

The instrument that scientisits use to record earthquake waves is:

Earthquakes and volcanos both involve the release of large amounts of

An underground holding pool for hot magma is called __________________.

A large basin that can form at the top of a volcano is a _______.

Most of the magma from a volcano comes up through a long, narrow, rocky tube called a ___________

__________ is melted rock that flows out onto the Earth's surface.

The layer of the earth that is hottest is the ________.

Metals usually turn from solid to liquid the hotter they become. Yet, the inner core remains a solid even though it is hotter than the liquid outer core. The reason for this is: the inner core is under tremendous _________.

Volcanoes can be useful to people because volcanoes:

Volcanic eruptions form new crust on continents.

The thickest layer of the earth is the _______________.