For Teachers Measuring Relative Humidity Dripping Wet or Dry as a Bone Relative Humidity and the Dew Point lesson plan How do you Dew? lesson plan Building A Psychrometer Relative Humidity - Free Presentations in PowerPoint format for K-12 Science  See Also: Overviews, Weather Units For Kids Games & Kids Sites  Resources Free Clip Art Free Presentations in PowerPoint format for K-12 Science  Video Clips for Science    All Rights Reserved    Clip Art Credit: Phillip Martin Have a great year!