JEOPARDY

EARTHQUAKES

100

Earthquakes

What is sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earth's crust or volcanic action.

200

seismic waves

What is an elastic wave in the earth produced by an earthquake

300

seismometers

What is instruments that measure motions of the ground, including those of seismic waves generated by earthquakes

400

P wave

What is body wave that is the first wave to arrive to the seismograph, called seismic waves in seismology, that can travel through a continuum. The continuum is made up of gases (as sound waves), liquids, or solids, including the Earth.

500

s wave

What is A type of elastic wave, the S-wave, secondary wave, or shear wave (sometimes called an elastic S-wave) is one of the two main types of elastic body waves, so named because they move through the body of an object, unlike surface waves.

VOLCANO

100

Volcano

What is a rupture on the crust of a planetary mass object, such as the Earth, which allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface.