HMH Module 3 Week 1 Vocab

Front

What does 'spontaneous' mean?

Back

Happens quickly, without planning.

Front

What does the word 'tremor' mean?

Back

To shake violently.

Front

What does 'alarming' refer to?

Back

Something that should cause alarm or concern.

Front

What are seismographs used for?

Back

A way to measure earthquake tremors.

Front

What are consequences?

Back

The result of an action.

Front

What is the definition of an earthquake?

Back

A sudden and violent shaking of the ground, often caused by movement of tectonic plates.

Front

What is the purpose of a seismograph?

Back

To detect and record the intensity and duration of seismic waves.

Front

What are tectonic plates?

Back

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

Front

What is the Richter scale?

Back

A scale used to measure the magnitude of earthquakes.

Front

What is a fault line?

Back

A fracture or zone of fractures between two blocks of rock.