Plate Tectonics & Seafloor Spreading

Front

What is the study of the Earth's magnetic field called?

Back

Paleomagnetism

Front

What type of rock is commonly found on the ocean floor and is dark and dense?

Back

Basalt

Front

What type of plate boundary is responsible for the formation of mountains?

Back

Convergent boundary

Front

What evidence did Alfred Wegener use to support his theory of continental drift?

Back

All of the Above

Front

What is an isochron?

Back

An imaginary line on a map that indicates the age of rocks.

Front

What is the theory that explains the movement of the Earth's plates?

Back

Plate Tectonics

Front

What is the process by which new oceanic crust is formed at mid-ocean ridges?

Back

Seafloor Spreading

Front

What type of boundary occurs when two tectonic plates slide past each other?

Back

Transform boundary

Front

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

Back

Pangaea

Front

What geological feature is formed at a divergent boundary?

Back

Mid-ocean ridge