Earthquakes and Volcanoes Flashcard

Front

What are Plate Tectonics?

Back

Plate Tectonics are the large pieces of the Earth's crust that move and interact with each other.

Front

Are underwater volcanic eruptions rare?

Back

No, underwater volcanic eruptions are not rare; they happen frequently.

Front

What was the name of the supercontinent that existed when all Earth's continents were together?

Back

Pangea.

Front

Where is a better place to build a house in San Francisco?

Back

Bedrock is a better place to build a house because it is more stable.

Front

What materials helped the house stay together during earthquakes in the Gizmos activity?

Back

Clips, shatter-proof glass, and reinforced doors helped the house stay together.

Front

What causes earthquakes?

Back

Earthquakes are caused by the movement of tectonic plates along faults.

Front

What is a volcano?

Back

A volcano is an opening in the Earth's surface where molten rock, ash, and gases can escape.

Front

What is magma?

Back

Magma is molten rock located beneath the Earth's surface.

Front

What is lava?

Back

Lava is molten rock that has erupted onto the Earth's surface.

Front

What is the Ring of Fire?

Back

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