Cool Water
I was recently reading the March/April 2022 issue of \u201cScience & Children\u201d a publication of the National Science Teaching Association.\xa0\xa0In this issue, I read the Science 101 column, written by Matt Bobrowsky.\xa0\xa0He wrote an article entitled, \u201cWhat\u2019s Cool About Water?\u201d
Water is a good example to use when discussing how matter can be in different states \u2014 solid, liquid, or gas.\xa0\xa0Students are quite familiar with solid water and liquid water but gaseous water is a bit more abstract.\xa0\xa0Bubbles in boiling water are made of water vapor (gaseous water).\xa0\xa0They are not empty, they are not air bubbles, and they are not made of separate hydrogen and oxygen gases.