Volcanoes and Plate Tectonics

Front

What do we call molten, liquid rock before it reaches Earth's surface?

Back

Magma

Front

This type of magma is present in approximately 80% of all volcanoes around the world.

Back

Basalt

Front

What kind of rocks are formed from cooling lava?

Back

Igneous rocks are formed from cooling lava.

Front

What type of volcano forms out of wide, thin, runny layers of lava?

Back

Shield Volcanoes are formed from wide, thin, runny layers of lava.

Front

Mid-Ocean Ridges form at what type of plate boundaries?

Back

Divergent plate boundaries.

Front

What is the process called when one tectonic plate moves under another?

Back

Subduction.

Front

What type of volcano is characterized by explosive eruptions and steep slopes?

Back

Stratovolcanoes.

Front

What is the term for the boundary where two tectonic plates slide past each other?

Back

Transform boundary.

Front

What is the molten rock that erupts from a volcano called?

Back

Lava.

Front

What is the name of the supercontinent that existed millions of years ago?

Back

Pangaea.