Why does ice float?
Have you ever thought about why ice floats on water? Both are water, one is a solid and one is a liquid. Now, this is not something we think about on a daily basis but what if ice did not float? Rivers and lakes would freeze from the bottom up instead of on the surface and all the species that live within those aquatic biomes would now be exposed to cold from the ice below and the cold air above. It is unlikely that those species would not be able to survive. Fortunately, we