Bringing the Text to Life
You've been asked many questions in your life, but probably none are harder to answer than those that come from children.
Where do babies come from?
Why do doughnuts have holes?
Where do houseflies go in the winter?
How do they keep all the raisins in cereal boxes from falling to the bottom?
But the most common question kids ask, and the most difficult to answer, is the proverbial, "Why is the sky blue?"
Of course there is an answer. It has to do with invisible light wavelengths and the way the long wavelengths (reds and oranges) and short wavelengths (blue) are reflected by particles in the air. [NOTE: If you want to impress your audience with a complete, more scientific answer, memorize the footnote at the end of this section and rattle it off, and then ask the congregation if they'd like you to repeat it. They may find some humor in this.]
Living as we do in the most techno-savvy period in the history of humankind, we are well aware of the presence of invisible light in...