Density - Is all water the same? - 11/30/11

1. Which is denser, warm water or cold water?

2. Which is denser, salt water or fresh water?

Hot water (red) is less dense than cold water (blue).

 

Let's get some of this ice, cold water!

Carefully layering the fresh and salt water.

Fresh water (yellow) is less dense than salt water (green).