What happens to water when its temperature which?
What happens to water when its temperature which? A decrease in temperature caused the water molecules to lose energy and slow down, which results in water molecules that are closer together and a decrease in water volume. When water is heated, it expands, or increases in volume. When water increases in volume, it becomes less dense. At what temperature does water become dangerous? When water temperatures are between 60 and 70 degrees it becomes progressively more difficult to control your breathing. It becomes very dangerous in water temperatures between 50 and 60 degrees. You lose the ability to control breathing...