Earthquakes and Volcanoes

Front

What is the term used to describe the size of an earthquake?

Back

Magnitude

Front

True or False: Earthquakes happen every day, but most are too small for humans to notice.

Back

True

Front

What is the term for molten rock beneath the Earth's surface?

Back

Magma

Front

What do we call the point on Earth's surface directly above the focus of an earthquake?

Back

Epicenter

Front

What is the name of the device that records the motion of an earthquake?

Back

Seismometer

Front

What is the output of a seismometer called?

Back

Seismogram

Front

What is the term for the shaking of the Earth's surface caused by a sudden release of energy?

Back

Earthquake

Front

What is the name of the boundary where two tectonic plates meet?

Back

Fault

Front

What is the term for the waves of energy that travel through the Earth after an earthquake?

Back

Seismic waves

Front

What is the process called when rocks break and move along a fault line?

Back

Faulting