plate tectonics review

Front

What is plate tectonics?

Back

The theory that Earth's crust and upper mantle are broken into sections (plates) that are in constant, slow motion.

Front

What type of boundary occurs when two plates slide past each other?

Back

Transform boundary.

Front

What type of boundary occurs when two continental plates collide?

Back

Convergent boundary.

Front

What type of boundary occurs when two oceanic plates pull apart?

Back

Divergent boundary.

Front

What is an example of evidence supporting plate tectonics?

Back

Fossils found on different continents.

Front

What geological feature is formed at a convergent boundary?

Back

Folded mountains.

Front

What happens at a divergent boundary?

Back

Two tectonic plates move away from each other, creating new crust.

Front

What is subduction?

Back

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

Front

What is the Ring of Fire?

Back

A major area in the basin of the Pacific Ocean where a large number of earthquakes and volcanic eruptions occur.

Front

What is continental drift?

Back

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