- Why is it helpful to have a way to test the level of bacteria in the water?
- How did Amy Smith use the engineering design process to develop her device?
- What criteria did Amy Smith have for her invention?
- Compare and contrast the two design solutions shown in the video. In what ways was the second solution an improvement on the first?
- Have you ever thought of something that would make life better for many people? What is it? How might you make it?
