Continental Drift

Front

What is the theory of continental drift?

Back

The theory that continents have moved over geological time and were once joined together in a single landmass.

Front

Who proposed the theory of continental drift?

Back

Alfred Wegener.

Front

What evidence did Wegener use to support his theory?

Back

Evidence from landforms, fossils, and climate.

Front

Why was Wegener's theory initially rejected?

Back

He had no proof of how the continents were moving.

Front

What is an index fossil?

Back

A fossil that is used to define and identify a particular time period in the geological time scale.

Front

What is the significance of index fossils in geology?

Back

They help in dating rock layers and understanding the age of the earth.

Front

Which rock layer contains fossils of the most recently evolved organisms?

Back

The topmost layer.

Front

What type of evidence was NOT used by Alfred Wegener?

Back

Evidence from human remains.

Front

What is the concept of Pangaea?

Back

A supercontinent that existed during the late Paleozoic and early Mesozoic eras, where all continents were joined together.

Front

What role do tectonic plates play in continental drift?

Back

Tectonic plates are large sections of the Earth's crust that move and can cause continents to drift apart.