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Water Cycle Introduction Experiment

Materials:water drop
Plastic cup, tape, water

-Put a plastic cup inside the bag and tape in place so it won't move around.
-Tape (top of the bag) the bag in a window so the bag is making a diamond shape (not square).
-Pour water into the cup about half full.
-Seal the bag.
-Watch the bag over the next few days. You will start to see a fog at the top and water pooling at the bottom tip of the bag.

*This experiment is found in the Simply Science "Wild About Weather" book, page 1.