What most likely happens when water loses heat?

If water loses heat then it will become cold and as the water becomes cold it starts forming these little bubbles around the glass. If you want extra information search up * Why are there bubbles in my water? * and it will give you the information right on the page if you're using a Google browser! Hint Hint! it has to do with nitrogen!

~Pinkachumoo

Which you the best!