Final Exam 9th Grade Science Part 2

Front

What boundary creates mountains?

Back

Convergent boundary.

Front

What happens to P-waves and S-waves in the shadow zone?

Back

P-waves are refracted and S-waves are absorbed by the Earth's core.

Front

Which seismogram represents a city that is far from the epicenter of an earthquake?

Back

Nome, Alaska.

Front

What best describes a convergent plate boundary?

Back

Plates move towards each other.

Front

How do scientists measure the magnitude of an earthquake?

Back

Using a seismograph.

Front

What is a divergent boundary?

Back

A tectonic plate boundary where plates move away from each other.

Front

What is a transform boundary?

Back

A tectonic plate boundary where plates slide past each other.

Front

What is the focus of an earthquake?

Back

The point within the Earth where an earthquake originates.

Front

What is the epicenter of an earthquake?

Back

The point on the Earth's surface directly above the focus.

Front

What is a seismograph?

Back

An instrument used to detect and record seismic waves.