Volcanoes and Plate Tectonics

Front

What type of boundary occurs at the Mid Atlantic Ridge where the ocean floor is spreading apart?

Back

Divergent boundary

Front

What is magma?

Back

Magma is molten material from the mantle that has not yet reached Earth’s surface.

Front

What do Ocean-Ocean Convergent boundaries form?

Back

Island Arcs

Front

Where are volcanoes usually found?

Back

Along plate boundaries.

Front

Where are hotspots found?

Back

Within a plate (intraplate).

Front

What is a convergent boundary?

Back

A boundary where two tectonic plates move toward each other.

Front

What is a divergent boundary?

Back

A boundary where two tectonic plates move apart.

Front

What is a transform fault boundary?

Back

A boundary where two tectonic plates slide past each other.

Front

What is lava?

Back

Lava is molten material that has reached Earth’s surface.

Front

What are calderas?

Back

Large depressions formed when a volcano erupts and collapses.