Categories Homepage News Science Lab Why Do Ships Float? Post author By Tanya Post date April 11, 2018 View this post on Instagram 8th: Why Do Ships Float? (Buoyancy and Archimedes Principle) #science #olgcahb A post shared by Our Lady Of Grace Howard Beach (@olgcahb) on Apr 10, 2018 at 1:45pm PDT ← Congratulations → Acids or Bases?