In science our class has been working on making water filters. The goal for our water filters is each group is given a bottle of contaminated water and has to try to take the contaminants and the color out of the dirty water. All of the groups have had different ideas and different designs to there filters. Some groups change the design add to the design and eventually try to end with clean drinking water. Some of the materials that groups have used are cotton balls, coffee filters, sand, gravel and mesh. Most groups have discovered that sand and gravel works the best.
Over all the project is to learn more about pollution and how important clean water is for humans. In the project we documented,scetched and brainstormed. There were five different levels for how your filter cleaned the water.
| 5 | 4 | 3 | 2 | 1 |
| Nothing happened to the water | Some contaminents came out of the water | Some contaminents came out of the water and some color came out of the water | All contaminents out and mostly all color | All color and contaminents out of the water/clean |
Before we started the project of making water filters we read a book called Salila’s Turtle. The book is about a girl who is trying to save a little turtle from polluted water. The girl trys to clean the water and learn about what causes the water to be polluted and a solution. That is what we were trying to do make a solution to make clean water.
When doing this project together with my group, we started brainstorming and came up with an idea. The idea was to have mesh and then a coffee filter and then at the bottom of the bottle have some sand and gravel. This idea gave us a four and then we made a different idea. Our new idea brought us to a three we did not like that but then we thought to double the filtration. We took our level three water and put it back into a new filter and we came out with a one point five. We were very proud of this so we kept trying double and triple filtration.