Fifth screen has a question to test the student's understanding. Leaves example 1. First screen has a small plant with 20 green leaves and 2 brown leaves. Second screen has a treee with 1000 green leaves and 27 brown leaves. 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.