Science -- Weather: Fill the cup with water. Put shaving cream on top for a cloud. Explain that when clouds get really heavy with water, it rains! Then put blue food coloring on top of the cloud, and watch it rain. Air and Weather unit
Little Cloud by Eric Carle (learning activity). Cloud painting craft: mix equal parts of Elmer's glue and shaving cream to make a fluffy paste. Then have your child create their own cloud on construction paper usin their hands or a spoon.