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Stage Briefing

Congratulations! Your team of enterprising problem solvers has reached the first two milestones in the development of your portable water treatment systems. Now that you've accomplished identifying and transporting both types of water to their correct processing locations, you need to ensure that the disinfected, purified water is moved to the distribution area so it can reach those in urgent need quickly.

In this stage, you will code your robot to identify and transport purified water from its starting point in the in the purification area, to the distribution area. By the end of this stage, the robot should be able to identify and move all three types of water - contaminated, clean, and purified - to the correct locations. 

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 Distribution Challenge uses the collection, treatment, purification, and distribution areas, as shown below. One Tile with walls is added to the right of the areas from Stage 2, to create the distribution area. Each area is identified by an AprilTag. 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 Buckyball represents contaminated water, the blue Buckyball represents clean water, and the blue Ring represents 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 first area one red and one blue buckyball rest on a green right on each tile. In the third area a blue ring sits on the right tile.

Challenge Document

The Challenge Document details the key information and criteria for solving the Water Distribution 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 Water Distribution Challenge is to identify purified water in the purification area and deliver it to the distribution area, in addition to identifying and transporting clean and contaminated water appropriately, until two of each are successfully delivered. 

Read the Challenge Document to learn about the details of the Water Distribution Challenge.

Google Doc .docx .pdf

By the end of the Water Distribution 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.Water Treatment setup shown at the end of a successful challenge run. The collection area has two empty green rings.The treatment area to the right has two contaminated water balls behind the wall, indicating successful delivery. The purification area to the right also has two successfully delivered clean water balls behind the wall. The robot is stopped at the distribution area, the final area, where there are two rings behind the wall. Checkmarks for each of the water types indicate successful delivery of two of each type.

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 Water Distribution 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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