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www.kids-fun-science.com/p-waves.html

P Waves are primary waves. Introduction P waves are produced by all earthquakes. They are compression waves that form when rocks break due to pressure in the Earth. S waves are secondary waves that are also created during an earthquake. They travel at a slower speed than the p-waves.

www.answers.com/Q/What_are_3_facts_about_p-waves

1. They are seismic waves 2. It compresses the ground and expands the area 3. P waves can move through solids and liquids.

answers.yahoo.com/question/index?qid=20101103165326AAHN3ur

What Are 4 Facts About S Waves And 4 Facts About P Waves They Have To Be 100% Real I Need It For My Homework Thanks!

www.answers.com/Q/What_are_facts_about_seismic_waves

A seismic wave is identified by the way it moves and the order it comes in when an earthquake strikes. Primary waves (or P waves) are the first waves to arrive and move in an accordion-like motion.

www.kids-fun-science.com/s-waves.html

S Waves. Introduction S waves and P waves are the two types of seismic waves produced by all earthquakes. P waves are primary waves because they arrive at seismic reporting stations first. These shear waves are secondary waves because they travel at slightly slower speeds and are the second set of seismic waves recorded on seismographs.

en.wikipedia.org/wiki/P-wave

A P-wave is one of the two main types of elastic body waves, called seismic waves in seismology. P-waves travel faster than other seismic waves and hence are the first signal from an earthquake to arrive at any affected location or at a seismograph.P-waves may be transmitted through gases, liquids, or solids.

www.sciencelearn.org.nz/resources/340-seismic-waves

This wave behaviour can also be used on a smaller scale by recording waves generated by explosions or ground vibrators in the search for oil and gas. Types of seismic waves. There are three basic types of seismic waves – P-waves, S-waves and surface waves. P-waves and S-waves are sometimes collectively called body waves. P-waves

study.com/academy/lesson/s-waves-definition-examples-quiz.html

Seismic Shadow Zone. Another important property of an S-wave is its inability to pass through liquids. After an earthquake, most Richter scales around the globe can detect P-waves, but less are ...

www.britannica.com/science/seismic-wave

Seismic wave: Seismic wave, vibration generated by an earthquake, explosion, or similar energetic source and propagated within the Earth or along its surface. Earthquakes generate four principal types of elastic waves; two, known as body waves, travel within the Earth, whereas the other two, called surface

www.kids-earth-science.com/primary-waves.html

P waves and S waves. Large and small earthquake always produce P waves and S waves. P waves travel at different speeds depending on the density of the rocks. When the density of the rocks change at a boundary the waves speed up or slow down. They are also slightly deflected when there is a change in rock density.