How to Rise Above

Now this may sound like a question for a group of kindergarten students, but have you ever wondered what the science is behind how some things float on water, and others do not?

If you have ever passed by a river in a bustling city or a busy marina, you probably would have seen plenty of empty plastic bags or bottles in the water that people have conveniently forgotten to put in the trash.

These items have one thing in common–they all float.

Before you think I’m insulting your intelligence, bear with me. I looked up the technical explanation for why some things float on water and others do not. It’s actually a bit more sophisticated than you would think.

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