6.2B| Check Yourself: Why Does Earth Have Active Volcanoes?

Answer: Earth has active volcanoes because of its tremendous internal heat. Heat rises from the core, resulting in plate tectonics and hot spots. Magma and volcanoes form along divergent and convergent boundaries and at hot spots.

6.5A| Interactive Student Discussion: Volcanoes as a Constructive Geologic Process

Describe to your classmates how volcanic activity is a geologically constructive force

Answer: Volcanoes are a constructive geologic force because they release material that becomes new rock.

6.6B| Interactive Student Discussion: Is Hilo the next Pompeii?

Is Hilo, Hawaii, the next Pompeii?

Answer: No. Kilauea is a shield volcano that produces effusive "quiet" eruptions of lava flows that can be easily escaped. Vesuvius is a stratovolcano that can explode and produce the ash and pyroclastic flows that destroyed Pompeii.