Essential Questions
Over the course of the lesson, students will have the opportunity to explore the following questions:
                  1. How prevalent is access to safe  drinking water?
                  
                  2. What factors hinder people's  access to safe drinking water?
                  
                  3. What are the effects of  inadequate access to safe drinking water?
                  
                  4. How does conflict arise from  unequal access to safe drinking water?
                  
                  5. How does access to safe drinking  water differ in different areas of the world?
                  
                  6. How can the engineering design  process be used to solve real-life problems?
                  
                  7. What are some effective methods for purifying water?
                  
                  8. What factors need to be considered when making  recommendations about solutions to safe water access?
                  
                  9. How can people successfully communicate to others the  results of their science and engineering research?
                
      
    