[DOC] [TLE] Seimic Waves and Earth's Interior [PAR] These are the waves that do the most damage to our buildings, highways, etc. ... 
Seismic waves can be distinguished by a number of properties including the 
speed ... The first two wave types, P and S , are called body waves because they 
... The latter two are called surface waves they the travel along Earth's surface 
and... [DOC] [TLE] How Scientists Study Earth's Interior Structure - Video & Lesson ... [PAR] We can't see what Earth's interior is made of, but scientists are able to study it in 
other ways. ... Earthquakes and Volcanoes: Evidence of Earth's Inner Layers .... 
Body waves are seismic waves that travel through Earth's interior, or its 'body. ... 
Surface waves are important, but they don't provide much information about what
... [DOC] [TLE] Seismic Waves - Aspire [PAR] These waves travel through the interior of the Earth and can be measured ... 
Seismic waves are divided into two types: Body waves and surface waves. ... 
waves push and pull on the glass much like P waves push and pull on rock. ... 
Scientists have used this method to gather evidence about the Earth's internal 
structure. [DOC] [TLE] Structure of the Earth: the story of the waves [PAR] Earthquakes produce P- and S-waves which pass through the Earth. ... Surface 
waves ... these 'ground moving' waves cause the majority of earthquake 
devastation ... The faster of the two types of body waves; they travel through 
solids and liquids ... The solid crust and upper mantle material that may be up to 
200 km thick in... [DOC] [TLE] Seismic Waves [PAR] Just as the prism below refracts light at its faces, seismic waves bend, reflect and 
change speed at ... Both P and S waves penetrate the interior of the Earth while 
surface waves do not. Due to this, P and S waves are known as "body waves". ... 
deep inside the Earth, therfore provide little information about inacessible terrain. [DOC] [TLE] Earthquakes & Earth's Interior - Tulane University [PAR] Sep 24, 2015 ... What can earthquakes tell us about the interior of the earth? .... These bends 
disappeared after an earthquake suggesting that the energy ... Surface waves 
are responsible for much of the shaking that occurs during an earthquake. .... But, 
if you start to shake your body while standing on this wet sand, you... [DOC] [TLE] GG101 Earth's Interior [PAR] to describe how seismic explorations give evidence of Earth's interior;; to name 
and ... What we're doing in these lessons in addition to studying the Earth's 
interior is ... If we were to go along the surface of the Earth and collect rocks, just 
pick up .... our seismic waves on different parts of the body, those different parts 
might be... [DOC] [TLE] Seismology - Wikipedia [PAR] Seismology is the scientific study of earthquakes and the propagation of elastic 
waves through the Earth ... They can be divided into body waves that travel 
through the interior of the ... is thus trapped near the surface, they can be much 
stronger than body waves, and can be the largest signals on earthquake 
seismograms. [DOC] [TLE] Concepts - Geology Class [PAR] What is the evidence that Earth's interior has differentiated? ... main types of 
seismic waves are generated during earthquakes: body waves and surface 
waves. [DOC] [TLE] CHAPTER 3  SEISMOLOGY AND GEOLOGY [PAR] The speed of seismic waves beneath the Earth is ultimately inferred from our ... 
These holes seem to prove that much of the predicted structure changes have ... 
Yet there is some evidence that the Inner core may be shaped like a rugby ball. ... 
produce a 'silent' earthquake devoid of short-period body and surface waves.. [DOC] [TLE] Seismic Network - IRIS [PAR] One seismic station can give information about ... In our animations we greatly 
amplify the ... and the rolling surface wave motions recorded ... fun and to 
emphasize that seismic waves traveling away from ... provide evidence for the 
curved path .... Body Waveswaves that move within the Earth's interior or within 
a body of... [DOC]

Question: These waves, which may be "body" or "surface" waves, provide much of our evidence about the Earth's interior
Answer: seismic waves