No Valve in Vain - Activity - TeachEngineering

Materials List: No Valve in Vain

scissors
waterproof tape (such as duct tape, electrical tape, etc.)
flexible plastic tubing (2-in diameter and 4-in length per student)
flexible plastic sheets (flexible binder type of material, 12 in x 12 in piece per student)
foam sheets (1/4-in thick, 12 in x 12 in piece per student)
modeling clay
wire
pipe cleaners
beakers or measuring cups, for pouring the water
buckets (or sinnk), for catching water
paper towels, sponges or cloths, for wiping up spills
Heart Valves Handout, one per student
example prosthetic heart valves (try to obtain from local hospital or biomedical department of a university; alternatively, find images, schematics and/or animations of artificial heart valves, such as the photographs shown below, or via Internet search of "artificial heart valve" or "prosthetic heart valve")