Ross Earthquakes and Volcanoes

Front

What type of force is involved with a convergent boundary?

Back

Compression is the force that pushes tectonic plates together at convergent boundaries.

Front

What are the cracks in Earth's crust called?

Back

Faults are the fractures in the Earth's crust where blocks of land have moved.

Front

What is the name of a series of waves that can destroy a city?

Back

A tsunami is a series of powerful ocean waves caused by underwater disturbances.

Front

Which earthquake wave is the most destructive?

Back

S waves, or secondary waves, are the most destructive type of seismic waves.

Front

What instrument detects and measures earthquakes?

Back

A seismograph is an instrument that records the motion of the ground during an earthquake.

Front

What is the Earth's outer layer called?

Back

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

Front

What is a tectonic plate?

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 an earthquake?

Back

An earthquake is the shaking of the Earth's surface caused by the sudden release of energy in the Earth's crust.

Front

What is the focus of an earthquake?

Back

The focus is the point within the Earth where an earthquake originates.