Seismic Waves (AQA GCSE Physics): Flashcards
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Practise the cards
13 cards from this deck
What generates seismic waves?
What generates seismic waves?
Earthquakes and volcanic eruptions
What instrument detects seismic waves?
What instrument detects seismic waves?
Seismometers
What type of wave are P waves?
What type of wave are P waves?
Longitudinal waves
What can P waves travel through?
What can P waves travel through?
Both solids and liquids
What type of wave are S waves?
What type of wave are S waves?
Transverse waves
What can S waves NOT travel through?
What can S waves NOT travel through?
Liquids
What is the state of Earth's crust?
What is the state of Earth's crust?
Solid
What is the state of Earth's mantle?
What is the state of Earth's mantle?
Almost solid
What is the state of Earth's outer core?
What is the state of Earth's outer core?
Liquid
What is the state of Earth's inner core?
What is the state of Earth's inner core?
Solid
Which Earth layers do S waves travel through?
Which Earth layers do S waves travel through?
Crust and mantle only
What happens to P waves at layer boundaries?
What happens to P waves at layer boundaries?
They are refracted
What do scientists use seismic waves to study?
What do scientists use seismic waves to study?
Earth's internal structure