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Stage Briefing

Congratulations! You have succeeded in the first three stages of this process and are ready to move to the final challenge. In the previous challenge, your team proved that you have a solution for a portable water treatment system. Your success is being celebrated widely and demand has risen for these portable systems. However, many locations that require these water treatment have different terrain where the portable systems would be located. This means the portable water treatment systems must be adaptable enough to be deployed in any location.

In this stage, you will code your robot to identify and transport all three types of water – contaminated, clean, and purified – to the correct locations, regardless of the layout of the areas.

You will solve the challenge using the three-phase process of Planning, Pseudocoding, and Building and Testing, checking in with your teacher after each phase. Your team will be evaluated using the Clean Water Mission Rubric. You can revisit the Clean Water Mission Unit Overview at any time to review the process or rubric information.

Challenge Details

Setup

The Water Treatment Challenge uses the collection, treatment, purification, and distribution areas, just as in Stage 3. In Stage 4, these areas will be randomly placed by your teacher. Remember that each area is identified by an AprilTag. Use these AprilTags to identify the arrangement of the areas in your classroom. Additionally, two AprilTags continue to be used to identify the left and right boundary of the water treatment system.

Buckyballs and Rings are used to represent the water. The red Buckyballs represents contaminated water, the blue Buckyballs represent clean water, and the blue Rings represent purified water ready for distribution. Each Buckyball sits on a green Ring in the collection area, to keep it in place during the challenge.

Setup for the challenge shows an EXP Tile with an april tag standing up on the bottom left and right corners to mark the boundaries. Along the top are 6 EXP Tiles divided into 4 areas with walls. Each area has an AprilTag standing up above the back wall. In the third area one red and one blue buckyball rest on a green right on each tile. In the second area a blue ring sits on the right tile.

Challenge Document

The Challenge Document details the key information and criteria for solving the Global Clean Water Challenge. It is important to read the Challenge Document together with your team to be sure you understand the setup and requirements for completing the challenge. You can use this resource to help you document the challenge in your engineering notebook as well.

The goal of the Global Clean Water Challenge is to identify and transport clean, contaminated, and purified water appropriately, until two of each are successfully delivered. 

Read the Challenge Document to learn about the details of the Global Clean Water Challenge.

Google Doc .docx .pdf

By the end of the Global Clean Water Challenge, contaminated, clean, and purified water will be identified and delivered to the appropriate area in the water treatment system. Once water is delivered by the robot, it can be removed by hand and placed behind the wall of that area, as shown below. You can return to the Clean Water Mission Unit Overview  at any time for additional resources to help you as you work through this Stage.

The Clean Water Mission setup at the end state of a successful challenge. The order from left to right of the areas in the water treatment system is treatment area, purification area, collection area, then distribution area. There are two of each type of water behind each area to indicate successful delivery, and the robot is sitting in front of the far right distribution area.

Final Review

Once your team has completed the challenge, meet with your teacher to review your progress throughout all of the phases of the challenge. You will complete the rubric together. It will evaluate your team’s planning, pseudocode, coding project, collaboration, and usage of the AI Vision Sensor.

Clean Water Mission Open-Ended Challenge Rubric

Google Doc .docx .pdf

Wrap Up Reflection

Once you have completed the Global Clean Water Challenge, it is time to reflect on your process and progress. First, answer the questions below in your engineering notebook. Then, meet again as a team to share and discuss your answers with one another.

  1. How accurately did your team complete the challenge? What specific actions or decisions contributed to this outcome? What improvements could you make to your project?
  2. What data did your team use from the AI Vision Sensor? How did that data impact your team's ability to complete the challenge?
  3. What role did you play in your team during this challenge? How did your contributions help to reach team goals? How would you improve on your ability to collaborate effectively?
  4. How could the skills and knowledge you gained from this challenge be applied to future challenges, or to real-world problems? 
  5. What aspect of this challenge did you find most difficult, and what did you learn by working through it?
     
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