Hang them side by side and stroke both of them on clothing or a piece of fur. Back to the 5th Grade Meeting Outlines Back the the Cub Scout Program Page Strong Paper Trick Ask if anyone has seen the new strong paper that will support a glass. Show an ordinary piece of paper and lay it as a bridge between two glasses. Naturally it won't support a glass. Back to the 5th Grade Meeting Outlines Back the the Cub Scout Program Page Weather Experiments Recording Water Evaporation - Rainwater evaporates quickly if humidity is low and if it is warm or windy.
Evaporation is slower if humidity is high and the weather is cool and the winds calm.
To test the speed of evaporation, pour some water in a plate and set it outside. Draw a line around the water's edge. Do the same thing after an hour and after two hours. Try this experiment in different weather conditions. On a sunny day, falling rain or fog may split the sun's rays into a rainbow.