Earth History and Surface Evidence Test Review

Front

What is the theory of plate tectonics?

Back

The theory that explains the structure and movement of the Earth's lithosphere, which is divided into tectonic plates that float on the semi-fluid asthenosphere.

Front

Why can't the movement of tectonic plates be directly observed?

Back

Because the movement of tectonic plates is too slow to observe directly.

Front

What geological evidence supports the idea that continents have drifted apart?

Back

The shapes of continents fit together like puzzle pieces.

Front

What is a driving force behind plate tectonics?

Back

Convection currents in the mantle.

Front

What is the significance of rock and fossil correlation in supporting continental drift?

Back

It shows that similar rocks and fossils are found on continents that appear to fit together, indicating they were once connected.

Front

What are the oldest rocks in North America typically found?

Back

In the central region of the continent.

Front

What is the relationship between ocean ridges and the age of rocks?

Back

Rocks of the ocean ridges are younger than those of the adjacent sea floor.

Front

What is the role of earthquakes in understanding plate tectonics?

Back

Earthquakes provide evidence of the movement and interaction of tectonic plates.

Front

How do convection currents in the mantle drive plate tectonics?

Back

They create movement in the mantle that causes tectonic plates to shift.

Front

What is the evidence of marine fossils found at high elevations?

Back

It supports the idea that continents were once submerged and have since risen.