Students construct a model of riverbanks, create a flood, and write about their observations.
Students discover how levees hold a river within its banks and cause the height of the river to rise and back up into less well-protected tributaries (small streams) that feed into the river.
river, flood, experiment
Materials Needed[shopmaterials] drawing paper, pencils, a large flat container or tray with sides, enough modeling clay to cover the bottom of the tray, water, sponges, drawing paper, pencils
Link to the lesson at Overflowing the Banks. Ask students to construct a model of riverbanks, create a flood, and write their observations.
Evaluate students' written observations.
Lesson Plan Source