Fechar
What type of wave travels at right angles to the energy transfer?
Transverse
Longitudinal
Sound
What type of waves are light and the other forms of electromagnetic radiation?
Longitudinal
P waves
Transverse
What type of wave has areas of rarefaction and compression?
Transverse
Light
Longitudinal
What are the two types of seismic wave?
S and T waves
P and S waves
T and L waves
What layer is below the crust?
The mantle
The atmosphere
The outer core
What part of the Earth is made from nickel and iron?
The crust
The core
The mantle
Which type of seismic wave can travel through solids only?
S wave
P wave
S and P wave
What happens to S waves when they reach the boundaries of the Earth's structure?
The reflect only
They reflect and refract
They refract only
What is the centre of an earthquake called?
Triangulation
Seismometer
Epicentre
Which type of seismic wave travels the fastest?
They travel at the same speed
S waves
P waves
