Scientists have first-hand evidence (seen it/been there) that the inner core of the Earth is made up of solid iron and nickel.

The theory that Earth's crust is divided into plates that are always moving is called ...

Movements in the earth's crust can result in volcanic mountain formation, like the Aleutian Island chain near Alaska.

Certain land features form where plates meet. Which land feature forms where two continental plates move TOWARD each other?

Tectonic plates can move ...

A fault is ...

Scientists can use technology to predict if an earthquake is likely to occur.

Scientists use a seismograph to measure the strength of an earthquake. Which specific aspect, or characteristic, does this tool measure?

Identify the type of volcano pictured