Difference between revisions of "P-wave"
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: '''P-waves''' are [[refract]]ed as they move through the [[Earth]] because different layers of the [[Earth]] have different [[density]]. | : '''P-waves''' are [[refract]]ed as they move through the [[Earth]] because different layers of the [[Earth]] have different [[density]]. | ||
: [[Seismic Wave|Seismic]] detectors can be used to observe [[P-wave]]s at different locations on [[Earth]] during an [[earthquake]] and this information can be used to determine the structure of the [[Earth]]. | : [[Seismic Wave|Seismic]] detectors can be used to observe [[P-wave]]s at different locations on [[Earth]] during an [[earthquake]] and this information can be used to determine the structure of the [[Earth]]. | ||
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| + | ===References=== | ||
| + | ====AQA==== | ||
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| + | :[https://www.amazon.co.uk/gp/product/0008158770/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0008158770&linkCode=as2&tag=nrjc-21&linkId=ec31595e720e1529e49876c3866fff6e ''P wave, pages 210-11, GCSE Physics; Student Book, Collins, AQA ''] | ||
Revision as of 15:53, 10 November 2019
Key Stage 4
Meaning
P-waves are longitudinal seismic waves that travel through the Earth during an earthquake.
About P-waves
- P-waves are known as primary waves because they travel faster than S-waves so they arrive at detectors first.
- P-waves are longitudinal because they are waves of compression moving through the Earth.
- P-waves can travel through both solids and liquids.
- P-waves are refracted as they move through the Earth because different layers of the Earth have different density.
- Seismic detectors can be used to observe P-waves at different locations on Earth during an earthquake and this information can be used to determine the structure of the Earth.