steady as she goes! meaning, steady as she goes! definition | English Cobuild dictionary. steady. 1 adj A steady situation continues or develops gradually without any interruptions and is not likely to change quickly. Despite the steady progress of building work, the campaign against it is still going strong...
Seismic waves are divided into two types: Body waves and surface waves. Body waves include P and S waves, and these are the two types of waves that are used to determine the internal structure of the Earth. (There are other types of seismic waves, but they relate to surface damage and only travel through the Earth s crust, not the entire Earth. If you are interested though, there is a short activity to show you what they are and how they move.
Seismic waves carry the energy. released by the rocks. There are three kinds of seismic. waves: P waves, S waves, and surface waves. â¢ P waves move rocks back and forth, like a wave. passing through a spring toy when you push in the coils. P waves are the fastest seismic waves.