Seismic Waves (OCR GCSE Physics A (Gateway Science Suite)): Flashcards
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Practise the cards
14 cards from this deck
Causes of seismic waves
Causes of seismic waves
Earthquakes & volcanic eruptions
Purpose of studying seismic waves
Purpose of studying seismic waves
Explore Earth's internal structure
Instrument detecting seismic waves
Instrument detecting seismic waves
Seismometers
P wave type
P wave type
Longitudinal
What P waves travel through
What P waves travel through
Solids and liquids
S wave type
S wave type
Transverse
What S waves travel through
What S waves travel through
Solids only
Earth's crust state
Earth's crust state
Solid
Earth's mantle state
Earth's mantle state
Almost solid
Earth's outer core state
Earth's outer core state
Liquid
Earth's inner core state
Earth's inner core state
Solid
Waves travelling only through crust & mantle
Waves travelling only through crust & mantle
S waves
Why P waves reach farther than S waves
Why P waves reach farther than S waves
P waves travel through all layers (incl. liquid core)
What scientists measure from seismic waves
What scientists measure from seismic waves
Time taken & locations not reached