Continental Drift Exit Ticket

Front

What do you call the supercontinent landmass formed million years ago?

Back

Pangaea

Front

What does the theory of continental drift state?

Back

The continents were once joined in a super-continent and have moved over time.

Front

Who is the person credited with developing the theory of continental drift?

Back

Alfred Wegener

Front

What is continental drift?

Back

The movement of the Earth's continents relative to each other.

Front

What evidence supports the theory of continental drift?

Back

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

Front

What is the lithosphere?

Back

The rigid outer layer of the Earth, consisting of the crust and upper mantle.

Front

What are tectonic plates?

Back

Large pieces of the lithosphere that move and interact at their boundaries.

Front

What is sea-floor spreading?

Back

The process by which new oceanic crust is formed at mid-ocean ridges.

Front

What role do convection currents play in continental drift?

Back

They drive the movement of tectonic plates in the mantle.

Front

What is a transform boundary?

Back

A tectonic plate boundary where plates slide past each other.