Great for elementary and middle school as an intro to new material. To read this sentence, you need to look through water that's floating in the air as humidity. This article explains that you won't be able to see this water until the dew point is reached or as this water gathers in the sky as clouds.
Vocab words: humidity, weather patterns, clouds, dew point
Check out 300+ articles just like this, written at 7 reading levels here