Continental Drift Review

Front

What is Continental Drift?

Back

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

Front

What evidence supports the theory of Continental Drift?

Back

Fossil evidence, geological similarities, and the fit of continental coastlines.

Front

What are fossils?

Back

Remains or impressions of ancient organisms preserved in rock.

Front

How do fossils help us understand Earth's history?

Back

Fossils reveal changes in climate and surface features over time.

Front

What is Pangaea?

Back

A supercontinent that existed around 335 million years ago, where all continents were joined together.

Front

What is a mid-ocean ridge?

Back

An underwater mountain range formed by plate tectonics, where new oceanic crust is created.

Front

What happens to the age of rocks as you move away from a mid-ocean ridge?

Back

The rocks become older as you move away from the ridge.

Front

What is sedimentary rock?

Back

Rock formed by the accumulation of sediments, often containing fossils.

Front

Why might a fish fossil be found in a desert?

Back

The area was once covered by water when the fossil formed.

Front

What is the significance of similar fossils found on different continents?

Back

It supports the idea that continents were once connected.