I have taken this photo before and since I needed to drop a couple of books off at the library I took it again for part of my 365 photo blog. This quote not only resonates with me, I just think it is so poignant and applicable to many educators.
While waiting for my coffee I decided to demonstrate the power of salt. This is a tip of my hat to all my science teacher friends. When talking about density here is a cool thing to show your students.