Waves - Earthquakes and EM Flashcards
1
Q
What are ‘Seismic Waves’?
A
Waves that can be P or S and they can travel through the Earth’s crust
2
Q
What are ‘P’ waves?
A
Primary waves which can travel through Solids and Liquids.
They are longitudinal waves
3
Q
What are ‘S’ waves?
A
Secondary Waves
They can only travel through solids
They arrive second
They are transverse waves
4
Q
The Sun emits all the waves in the electromagnetic spectrum.
Explain why all these waves take the same time to travel to Earth from the Sun
A
All waves travel at the same speed in a vacuum
5
Q
What is ‘ROYGIBV’?
A
Colours in order
6
Q
P-waves are longitudinal.
Describe how particles in the ground move when P-waves pass through it.
A
Vibration in the same direction as the wave moves
