PROJECT DUE: Name: Date: Water Filtration Portfolio Eligible Project

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1 Name: Date: Water Filtration Portfolio Eligible Project PROJECT DUE: Now that you have explored the process of water filtration you are going to use your expertise to individually design and build your own water filter. Your task is to act as a social entrepreneur 1 who has started an environmental engineering company. Due to the lack of clean drinking water in various places across the globe your company will be designing and mass-producing inexpensive water filters. You will be making these water filters available for sale (or for donation by your not-for-profit 2 partners). ================================================================================= Here are your project steps. Check off each step as you complete it! STEP 1: Design Process. Define. Design. Develop. Feedback. Optimize. STEP 2: Create your user s manual. This can be either a tri-fold booklet or a full-page manual. The user s manual should include: 1. A drawing of your filter. 2. Use color to better show each of your components more clearly. 3. Each component should be labeled. 4. In a chart below the drawing, each component should be listed, what each component does should be explained, and you should state whether the component results in a physical or chemical change and how you know. 5. Your materials and procedure should be typed. STEP 3: Equation, Projection, and Graph STEP 4: Design Brief STEP 5: EXCEEDING OPTION- Cost Analysis 1. Figure out the cost of creating your product. 2. Research the amount of time people in developing countries spend acquiring clean water. 3. Make an assumption about the value of this time. 4. Make a quantitative comparison of the cost of your product to the value of the time normally spent gathering water in developing countries in order to demonstrate the cost savings created by using your product.

2 STEP 1: Design Process Define: What are you trying to do? Design- Design a solution and create an engineering diagram. 1. Draw your design in the box. 2. Label each component of your design. 3. In the chart below your drawing explain why you chose each component Component Why I chose it? What do I think it is going to do?

3 Develop- Build and test your design. 1. Use the class WATER CLARITY RUBRIC to create an initial rating for your water. WATER CLARITY RATING: 2. Write your name on a notecard and take a BEFORE picture of your water & the notecard. 3. As you build your filter, write your materials and procedure below. Materials Procedure: 4. Collect your data. Amount of water poured into the filter (ml): Time to reach 25ml.: Time to reach 50ml.: 5. As you test your filter, write your observations. What do you SEE happening? Water Clarity Rubric Rating: ***TAKE AN AFTER PICTURE OF YOUR WATER***

4 6. Write each material that you used in your filter and determine whether it was a physical or chemical change. Material the water passed through Physical or Chemical Change? How do you know? 7. After going through this process a second time and receiving feedback, what changes might you still make to your design and why?

5 Feedback- Let your peers help you better your design. Peer Reviewer Name: What did the engineer do well? Be specific and give evidence of how you know. What suggestions can you give to the engineer to improve their work? Be specific and state how your suggestions might help and how you know your suggestion is a good idea.. Water Clarity Rating Peer Reviewer Name: What did the engineer do well? Be specific and give evidence of how you know. What suggestions can you give to the engineer to improve their work? Be specific and state how your suggestions might help and how you know your suggestion is a good idea.. Water Clarity Rating Peer Reviewer Name: What did the engineer do well? Be specific and give evidence of how you know. What suggestions can you give to the engineer to improve their work? Be specific and state how your suggestions might help and how you know your suggestion is a good idea.. Water Clarity Rating

6 Step 3: Equation, Projection, and Graph 1. Create a Water Filtered vs. Time Graph. Plot the two data points you collected onto a graph. Create a line of best fit for your data. Make sure your graph has appropriate titles and axis labels. Below your graph write, According to three independent judges, my filtered water was certified as (insert rubric score here). 2. Water Filter Linear Model On a sheet of notebook paper, Title your paper, Water Filtration Linear Model Use your two data points to find the equation of your line. SHOW ALL OF YOUR WORK! Write this equation on your line of best fit on your graph. 3. Filtration Projection On a second sheet of notebook paper, Title your paper, Filtration Projection Use your equation to answer the following scenario: Assuming the average family of 4 needs 20 L of water per day, use your equation to determine how long it would take YOUR filter to filter this amount of water. SHOW ALL OF YOUR WORK!

7 Step 4: Design Brief Paragraph #1: Introduction. You are writing to your investors (people who you want to give you money) or consumers (people who you want to use your product and drink the water your product filters. Tell your audience what you are doing and why. Paragraph #2: Design Details. Explain your design in general. Tell your audience how you came up with your design. Explain any redesigning that you have done or are still considering and how those redesigns made/will make your product better. Paragraph #3: Water Filtration Details. Tell your audience how much time it took you to filter 50 ml of water. Connect how this might save them time. Tell your audience how clear your water was according to the class s Water Clarity Rubric. Paragraph #4: Conclusion. Tell your audience why they should use your product. Explain what your filter likely removed from the water and how that is helpful to them. Also, tell whether each of those removals were from a physical or a chemical change. Also explain what might still be in the water and what you might need to add to your filter to make it even more clean. Also, tell whether those changes would be more physical or chemical changes. IF YOU ARE DOING THE EXCEEDING OPTION, ADD THIS PARAGRAPH BEFORE YOUR CONCLUSION Paragraph #4: Cost Analysis Explain the cost analysis you did. Explain how you came up with all of your figures (cost of your product, value of the time normally spent gathering water, cost savings ) in detail.

8 Class Water Clarity Rubric Rating Descriptors 1 No change; looks like coffee; can t see through it--opaque 2 No big stuff floating in the water or sitting on the bottom. Water is still dirty. 3 Water is translucent cloudy. There are still particles or specks in the water or on the bottom or top of the water. The water is still brown-ish 4 Water is cloudy with no specks or particles. 5 Water is clear, no visible specks or particles.