Water drop example 1. First screen has one drop of water with text explanation. Second screen has one drop of water and one cup of water with text relationship. Third screen has one drop of water, one cup of water, and one bucket of water with text relationship. Fourth screen has one drop of water, and s swimming pool of water with text relationship.
Fifth screen has a question to test the student's understanding.
Colored water example 1. First screen shows 10 drops of red food coloring put into one cup of water. Second screen shows 1000 drops of red food coloring put into a swimming pool. Review mode will have links back to the demonstration examples. Test mode will not have links back to the demonstration examples.