Weekly Photo Challenge: The Unexpected

The photographs I chose to include for “The Unexpected” challenge are ones I took to document a science project for my education blog. I was simply trying to capture the procedural steps, but ended up being mesmerized by dry ice and everything about it. Like sublimation, for example:

Or, if you add dish soap and water, the way the potion bubbles for hours.

But the best surprise of all occurred when I left food coloring, soap, and dry ice in a pyrex measuring cup in the sink for a couple of hours…and it grew an ice cave.