Unit 4a Test Grade Recovery

Front

What makes volcanoes more explosive?

Back

High gas content in magma.

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

What is Pangea?

Back

Pangea is the name of the super-continent that existed when all continents were joined together.

Front

What is a volcano?

Back

An opening in the earth through which lava, rock, ashes, and gases are forced out.

Front

What causes convection currents in the mantle?

Back

Magma in the mantle circulates, causing convection currents.

Front

What is the lithosphere?

Back

The lithosphere is the rigid outer layer of the Earth, consisting of the crust and upper mantle.

Front

What are tectonic plates?

Back

Tectonic plates are large sections of the Earth's lithosphere that move and interact with each other.

Front

What is the difference between magma and lava?

Back

Magma is molten rock beneath the Earth's surface, while lava is magma that has reached the surface.

Front

What is a geyser?

Back

A geyser is a hot spring that intermittently erupts, sending a column of hot water and steam into the air.

Front

What is the Ring of Fire?

Back

The Ring of Fire is a major area in the Pacific Ocean where many earthquakes and volcanic eruptions occur.