Weegy: there are several ways.
you could seperate by density. such as in a centrifuge
you could seperate by boiling point. such as in distillation apparatus
you could decant
you could us a seperatory funnel
you could try a third species. [ like a nonpolar organic liquid ] User: how would you separate sand and gravel Weegy: Lay a piece of plastic or tarp on the ground. On top of this, place several five-gallon buckets or a wooden box frame. ... (More)