Continental Drift and Tectonic Plates

Front

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

Back

Alfred Wegener

Front

What was Wegener’s continental drift idea?

Back

The continents have moved slowly apart to their current locations.

Front

Similar fossil records across continents was evidence for continental drift.

Back

True

Front

Alfred Wegener named his single supercontinent ____________, which means "all Earth" in ancient Greek.

Back

Pangaea

Front

What is the force that moves the continents?

Back

Convection

Front

This is a picture of glacier scars found in Africa. What are these evidence for?

Back

Africa was once in an area of the Earth that had a very cold climate

Front

What evidence did Wegener use to support his theory?

Back

Continents and fossils fitting together/matching-up like puzzle pieces, glacier scars and other climate evidence from temperature, mountain ranges and rocks line up across continents.

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

The circular arrows inside the Earth's Mantle represent what type of motion, that drives ALL plate movement? Options: Convergent Boundary, Ocean Currents, Convection Currents, Transform Boundary

Back

Convection Currents

Front

Tectonic plates consist of____.

Back

Both continental and oceanic