Unit 6: The Changing Earth TEST REVIEW

Front

What type of rock is made from the broken shells of sea creatures?

Back

Limestone is a sedimentary rock formed from the accumulation of shell, coral, algal, and fecal debris.

Front

What is a vent or fissure in Earth's surface through which magma and gases are expelled?

Back

A volcano is an opening in the Earth's crust where molten rock, ash, and gases can escape.

Front

What term refers to the solid, outer layer of Earth that consists of the crust and the rigid upper part of the mantle?

Back

The lithosphere is the rigid outer layer of the Earth, including the crust and upper mantle.

Front

What is the thin and solid outermost layer of Earth above the mantle called?

Back

The crust is the outermost layer of the Earth, composed of solid rock.

Front

What is the trace or remains of an organism that lived long ago, most commonly preserved in sedimentary rock called?

Back

A fossil is the preserved remains or traces of ancient organisms.

Front

What is the process by which rocks are broken down into smaller pieces?

Back

Weathering is the process that breaks down rocks into smaller particles.

Front

What is the term for the movement of tectonic plates that can cause earthquakes?

Back

Plate tectonics refers to the large-scale movement of the Earth's lithosphere.

Front

What is the layer of Earth located beneath the crust?

Back

The mantle is the thick layer of rock beneath the Earth's crust.

Front

What is the term for the natural process of rock formation from sediment?

Back

Lithification is the process through which sediments compact and cement to form sedimentary rock.

Front

What is the name of the supercontinent that existed millions of years ago?

Back

Pangaea was a supercontinent that existed during the late Paleozoic and early Mesozoic eras.