Yes, it would have floated

The story of Noah's ark is one of the most beloved Old Testament tales. The idea of a great flood that wipes out pretty much every living thing on Earth with the exception of those lucky pairs who got to live aboard a smelly, overcrowded boat for months is somehow so adorable that we put images of it on infant bedding sets and in ABC books. But if you really stop and think about it for a minute, the reality (or fiction, depending on what you believe) of such a scenario would be so extra-super sucky that if you went back in time and told Noah and his passengers that some day you were going to decorate your baby's room with adorable pictures of their voyage, it probably would be the only time the poor people had a good laugh for the duration of their entire ordeal.

Still, people love to tell the story of Noah's ark, and there's a lot of still-existing controversy about whether it's totally true, based on truths, or pure fiction. So for the record, here's what we do know about Noah's ark, though none of it is really likely to settle the debate.