1st Semester/2nd 9Wks Test Review

Front

What is the epicenter of an earthquake?

Back

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

Front

What is the focus of an earthquake?

Back

The point within the Earth where an earthquake originates.

Front

What is compaction in geology?

Back

The process where sediment particles are pressed together under pressure.

Front

What is cementation in geology?

Back

The process where dissolved minerals crystallize and glue sediment particles together.

Front

What is a hot spot in geology?

Back

A location where magma from deep within the mantle melts through the crust above it.

Front

What is Pangea?

Back

A supercontinent that existed during the late Paleozoic and early Mesozoic eras.

Front

What is continental drift?

Back

The theory that continents move across the Earth's surface over geological time.

Front

What is the Ring of Fire?

Back

A major area in the Pacific Ocean where a large number of earthquakes and volcanic eruptions occur.

Front

What are tectonic plates?

Back

Massive slabs of the Earth's lithosphere that move and interact at their boundaries.

Front

What is relative age in geology?

Back

The age of a rock or fossil in comparison to other rocks or fossils.