Dynamic Earth Warm-up #1

Front

What supports the hypothesis of continental drift?

Back

The presence of the same fossils and rocks on several continents.

Front

True or False: Some early mapmakers thought that the coastline of South America matched the coastline of Asia.

Back

False

Front

What is continental drift?

Back

The theory that continents move over geological time across the Earth's surface.

Front

What evidence supports the theory of continental drift?

Back

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

Front

Define 'fossil'.

Back

The preserved remains or traces of ancient organisms.

Front

What is the significance of fossils in understanding continental drift?

Back

Fossils found on different continents suggest that those continents were once connected.

Front

What is a tectonic plate?

Back

A large, rigid piece of the Earth's lithosphere that moves and interacts with other plates.

Front

What are the three types of plate boundaries?

Back

Divergent, convergent, and transform boundaries.

Front

What happens at a divergent boundary?

Back

Tectonic plates move apart, creating new crust as magma rises.

Front

What is a convergent boundary?

Back

A boundary where two tectonic plates collide, often forming mountains or causing subduction.