Front

What is the theory of continental drift?

Back

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

Front

What evidence supports the theory of continental drift?

Back

Similar fossils found in different continents and marine fossils found on mountain tops.

Front

What process involves the movement of tectonic plates?

Back

Subduction.

Front

Why do so many volcanoes and earthquakes happen along plate boundaries?

Back

Because plates move and shift.

Front

What are tectonic plates?

Back

Large sections of the Earth's crust that move and interact with each other.

Front

What is subduction?

Back

The process where one tectonic plate moves under another and sinks into the mantle.

Front

What is erosion?

Back

The process by which soil and rock are removed from the Earth's surface by natural processes.

Front

What is a fossil?

Back

The preserved remains or traces of a once-living organism.

Front

What is the significance of similar rock formations on different continents?

Back

They provide evidence that continents were once joined together.

Front

What is a volcano?

Back

An opening in the Earth's crust where molten rock, ash, and gases can escape.