Review- VOLCANOES and EARTHQUAKES

Front

What are volcanic bombs?

Back

Large magma pieces that solidify in the air.

Front

What is the first and fastest seismic wave produced by an earthquake?

Back

P wave.

Front

What forms when one oceanic plate is forced beneath another plate?

Back

A subduction zone.

Front

Which of the following is NOT an example of a convergent boundary?

Back

San Andreas fault.

Front

What type of eruption is known for producing tall eruption columns that can reach up to 20 km high?

Back

Vulcanian.

Front

Define a volcano.

Back

A rupture in the Earth's crust where molten lava, ash, and gases escape from below the surface.

Front

What is the difference between magma and lava?

Back

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

Front

What are tectonic plates?

Back

Massive slabs of the Earth's lithosphere that move and interact at their boundaries.

Front

What is a convergent boundary?

Back

A tectonic plate boundary where two plates collide, often forming mountains or subduction zones.

Front

What is an earthquake?

Back

A sudden release of energy in the Earth's crust that creates seismic waves.