Sixth graders design experiments to compare the amount of bacteria in river water to the amount in purified tap water. They explore how water purification removes bacteria and pollution from the water. Students examine the steps of the...

An introduction to an investigation of real-world problems to develop viable solutions to global access to clean water.

Students learn about global access to clean water and apply the engineering design process to develop a solution to purify water.

Explore reports and news articles to build understanding of global water issues.

Students brainstorm new ideas during part of the engineering process of designing a water purification system.

Students act as engineers to design a basic solution to the water quality problems studied.

Students design a water purification system given certain constraints.

Part of a larger project where students design a water purification system, this is the step where they select an approach and develop a design proposal.

Part of a larger project where students design a water purification system, this is the step where they refine their design and create their final system.

Resources for communicating results of a PBL unit where students designed a water purification system.

Some ideas to help students think of preparing a creative presentation for thier water purification PBL.

Students plan to present their water purification system at the end of a project-based learning exercise.