Infrared & seismic waves (Edexcel GCSE Physics): Flashcards
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14 cards from this deck
Infrasound frequency range
Infrasound frequency range
Below 20 Hz
Animals using infrasound
Animals using infrasound
Elephants and whales
Purpose of animal infrasound
Purpose of animal infrasound
Communicate over long distances
Natural events producing infrasound
Natural events producing infrasound
Volcanoes, avalanches, earthquakes
Sources of seismic waves
Sources of seismic waves
Earthquakes or large explosions
P-waves wave type
P-waves wave type
Longitudinal
Media P-waves travel through
Media P-waves travel through
Solids and liquids
S-waves wave type
S-waves wave type
Transverse
Media S-waves travel through
Media S-waves travel through
Solids only
Faster seismic wave
Faster seismic wave
P-waves
Instrument detecting seismic waves
Instrument detecting seismic waves
Seismometer
S-waves and Earth's core
S-waves and Earth's core
Cannot travel through the core
Seismic wave behaviour at layer boundaries
Seismic wave behaviour at layer boundaries
Absorbed and refracted
Earth's outer core state
Earth's outer core state
Liquid