Check out the 3D
tutorial section

Look for key words like SFX / effects / VFX / particles.
I think this answers your question. Definitely check this out, it's quite clear.
After you know how the node editor works, do also check out other SFX in the models section and see how they do a myriad of different things using the same tool.
And if you want some principles on how to make it
look fabulous, I'd suggest this video.