Earthquakes and Volcanoes

Front

What instrument detects and measures earthquakes?

Back

Seismograph

Front

Can volcanic eruptions affect climate?

Back

Yes

Front

What type of boundary is formed when two tectonic plates collide?

Back

Convergent boundary

Front

What is the outer layer of the Earth called?

Back

Crust

Front

What is the epicenter of an earthquake?

Back

The point on the surface directly above the focus.

Front

What is the focus of an earthquake?

Back

The point below the surface where rock begins to break and the first motion occurs.

Front

What type of boundary occurs when two tectonic plates move apart?

Back

Divergent boundary

Front

What is a volcanic eruption?

Back

The release of magma, gas, and ash from a volcano.

Front

What is the mantle?

Back

The layer of the Earth between the crust and the core.

Front

What is a seismogram?

Back

A record produced by a seismograph that shows the motion of the ground during an earthquake.