Geology Pt. 1 CIA Review

Front

What is the Mesosaurus fossil and why is its location significant?

Back

The Mesosaurus fossil is found only in Eastern South America and Western Africa, suggesting that these continents were once joined together and then moved apart.

Front

What is the difference between a rock and a mineral?

Back

Rocks are made out of minerals.

Front

Which layer of the Earth is the least dense?

Back

The crust is the least dense layer of the Earth.

Front

What is the inner core of the Earth?

Back

The inner core is the solid, innermost layer of the Earth, located beneath the outer core.

Front

What causes the Earth to look different today than it did millions of years ago?

Back

Plate tectonic plates have separated and rearranged the continents over time.

Front

What are tectonic plates?

Back

Tectonic plates are large sections of the Earth's crust that move and interact with each other.

Front

What is the mantle?

Back

The mantle is the layer of the Earth between the crust and the outer core, composed of semi-solid rock.

Front

What is erosion?

Back

Erosion is the process by which soil and rock are removed from the Earth's surface by natural forces such as wind or water.

Front

What is the significance of fossils in geology?

Back

Fossils provide evidence of past life and help scientists understand the history of the Earth.

Front

What is continental drift?

Back

Continental drift is the theory that continents have moved over geological time and were once joined together.