8th Grade Unit 3 CA 23-24

Front

What processes must occur to change igneous rock into sediment?

Back

Weathering, transportation, and deposition.

Front

What is the difference between the lithosphere and the asthenosphere?

Back

The lithosphere is brittle and rigid, while the asthenosphere is plastic-like and flowing.

Front

What evidence supports Alfred Wegener's theory of continental drift?

Back

Identical fossils are found on separate continents.

Front

What happens in a subduction zone?

Back

A more dense oceanic plate slides under a less dense continental plate, destroying some crust.

Front

What is the focus in an earthquake?

Back

The focus is the point within the Earth where an earthquake originates.

Front

What is the epicenter of an earthquake?

Back

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

Front

What is a fault in geological terms?

Back

A fault is a fracture or zone of fractures between two blocks of rock.

Front

What is weathering?

Back

Weathering is the process of breaking down rocks into smaller pieces by natural forces.

Front

What is erosion?

Back

Erosion is the process by which soil and rock are removed from one location and transported to another.

Front

What is deposition in geology?

Back

Deposition is the process where sediments are laid down in new locations.